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-rw-r--r--Mastering_C/chapter1.ipynb170
-rw-r--r--Mastering_C/chapter10.ipynb913
-rw-r--r--Mastering_C/chapter11.ipynb1993
-rw-r--r--Mastering_C/chapter12.ipynb4076
-rw-r--r--Mastering_C/chapter15.ipynb99
-rw-r--r--Mastering_C/chapter16.ipynb116
-rw-r--r--Mastering_C/chapter2.ipynb981
-rw-r--r--Mastering_C/chapter3.ipynb584
-rw-r--r--Mastering_C/chapter4.ipynb1567
-rw-r--r--Mastering_C/chapter5.ipynb1515
-rw-r--r--Mastering_C/chapter6.ipynb603
-rw-r--r--Mastering_C/chapter7.ipynb2482
-rw-r--r--Mastering_C/chapter8.ipynb2252
-rw-r--r--Mastering_C/chapter9.ipynb1463
-rw-r--r--Mastering_C/screenshots/interest.pngbin0 -> 69524 bytes
-rw-r--r--Mastering_C/screenshots/matrix.pngbin0 -> 43479 bytes
-rw-r--r--Mastering_C/screenshots/stack.pngbin0 -> 44229 bytes
17 files changed, 18814 insertions, 0 deletions
diff --git a/Mastering_C/chapter1.ipynb b/Mastering_C/chapter1.ipynb
new file mode 100644
index 00000000..b1a0ed0e
--- /dev/null
+++ b/Mastering_C/chapter1.ipynb
@@ -0,0 +1,170 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:f3ff9d889b7b7951c347d942d053d9fde4d57e52c21d53b779e2930b738a9f69"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 1: Introduction"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 1, page no. 18"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Hello World\"\n",
+ "print \"Bye.\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Hello World\n",
+ "Bye\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2, page no. 24"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "Print \"Hello World\"\n",
+ "#This program will give error"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "ename": "SyntaxError",
+ "evalue": "invalid syntax (<ipython-input-2-9028d474ee90>, line 1)",
+ "output_type": "pyerr",
+ "traceback": [
+ "\u001b[1;36m File \u001b[1;32m\"<ipython-input-2-9028d474ee90>\"\u001b[1;36m, line \u001b[1;32m1\u001b[0m\n\u001b[1;33m Print \"Hello World\"\u001b[0m\n\u001b[1;37m ^\u001b[0m\n\u001b[1;31mSyntaxError\u001b[0m\u001b[1;31m:\u001b[0m invalid syntax\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3, page no. 24"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Hello World\"\n",
+ "print \"Bye.\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Hello World\n",
+ "Bye.\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4, page no. 24"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Hello World\";print \"Bye.\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Hello World\n",
+ "Bye.\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5, page no. 25"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"\\\n",
+ " Hello World\"\n",
+ "\n",
+ "print \"\\\n",
+ " Bye.\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Hello World\n",
+ " Bye.\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
diff --git a/Mastering_C/chapter10.ipynb b/Mastering_C/chapter10.ipynb
new file mode 100644
index 00000000..f65d8afa
--- /dev/null
+++ b/Mastering_C/chapter10.ipynb
@@ -0,0 +1,913 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:32b969a4e6c7c3e26cae81dfc07a38f907135ecba42af43e2cfc7a389c8e7205"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 10: Files"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 1, page no. 372"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "fp = open(\"outfile1.txt\", \"w\")\n",
+ "i = int(raw_input(\"Input an integer: \"))\n",
+ "fp.write(str(i))\n",
+ "fp.close()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input an integer: 22\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2, page no. 372"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "fp = open(\"outfile2.txt\", \"w\")\n",
+ "fp.write(\"string written to file\\n\")\n",
+ "fp.write(\"c\\n\")\n",
+ "fp.close()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3, page no. 372"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "fp = open(\"outfile1.txt\", \"r\")\n",
+ "l = fp.readline()\n",
+ "print \"The integer in outfile1.txt is \", l"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The integer in outfile1.txt is 22\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 10.1, page no. 374"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "fp = open(\"sturec\", \"w\")\n",
+ "print \"Enter student's name and mark: \"\n",
+ "print \"Use 'q' to stop entry\"\n",
+ "while True:\n",
+ " name = raw_input()\n",
+ " if name == 'q':\n",
+ " break\n",
+ " marks = raw_input()\n",
+ " fp.write(name+','+marks+'\\n')\n",
+ "fp.close()\n",
+ "fp = open(\"sturec\", \"r\")\n",
+ "print \"Name\\tMark\"\n",
+ "print \"------------\"\n",
+ "lines = fp.readlines()\n",
+ "for line in lines:\n",
+ " line = line.split(',')\n",
+ " print line[0], '\\t', line[1]"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter student's name and mark: \n",
+ "Use 'q' to stop entry\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "vivek\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "87\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "rajkumar\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "98\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "anand\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "67\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "babu\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "45\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "teja\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "90\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "q\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Name\tMark\n",
+ "------------\n",
+ "vivek \t87\n",
+ "\n",
+ "rajkumar \t98\n",
+ "\n",
+ "anand \t67\n",
+ "\n",
+ "babu \t45\n",
+ "\n",
+ "teja \t90\n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 18
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 10.2, page no. 376"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "fp = open(\"str.txt\", \"w\")\n",
+ "print \"Enter characters \"\n",
+ "print \"Use 'q' to stop entry\"\n",
+ "while True:\n",
+ " char = raw_input()\n",
+ " if char == 'q':\n",
+ " break\n",
+ " fp.write(char)\n",
+ "fp.close()\n",
+ "fp = open(\"str.txt\", \"r\")\n",
+ "lines = fp.readlines()\n",
+ "count = 1\n",
+ "string = ''\n",
+ "for line in lines:\n",
+ " print line,\n",
+ " string += line\n",
+ "print \"\\nNumber of characters in the file: \", len(string)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter characters \n",
+ "Use 'q' to stop entry\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "I\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "s\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "w\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "t\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "h\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "e\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "c\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "t\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "c\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "l\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "i\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "c\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "k\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "t\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "h\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "e\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "m\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "o\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "u\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "s\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "e\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ ".\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "q\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "I saw the cat click the mouse. \n",
+ "Number of characters in the file: 30\n"
+ ]
+ }
+ ],
+ "prompt_number": 25
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 10.3, page no. 378"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "fp = open(\"class.rec\", \"w\")\n",
+ "print \"Enter the register number, name and mark: \"\n",
+ "print \"Use 'q' to stop entry\"\n",
+ "while True:\n",
+ " reg_no = raw_input()\n",
+ " if reg_no == 'q':\n",
+ " break\n",
+ " name = raw_input()\n",
+ " marks = raw_input()\n",
+ " fp.write(reg_no+','+name+','+marks+'\\n')\n",
+ "fp.close()\n",
+ "fp = open(\"class.rec\", \"r\")\n",
+ "lines = fp.readlines()\n",
+ "for line in lines:\n",
+ " line = line.split(',')\n",
+ " print line[0], '\\t', line[1], '\\t\\t', line[2]"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the register number, name and mark: \n",
+ "Use 'q' to stop entry\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4005\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "babu\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "85\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4007\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "rajkumar\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "98\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4012\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "raju\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "77\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4028\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "teja\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "93\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4029\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "vivek\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "87\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "q\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4005 \tbabu \t\t85\n",
+ "\n",
+ "4007 \trajkumar \t\t98\n",
+ "\n",
+ "4012 \traju \t\t77\n",
+ "\n",
+ "4028 \tteja \t\t93\n",
+ "\n",
+ "4029 \tvivek \t\t87\n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 10.4, page no. 381"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import os\n",
+ "import sys\n",
+ "fp = open(\"class.rec\", \"r\")\n",
+ "fp.seek(0, os.SEEK_END)\n",
+ "size = fp.tell()\n",
+ "print \"The file class.rec is of \", size, \" bytes\"\n",
+ "fp.seek(0)\n",
+ "lines = fp.readlines()\n",
+ "while True:\n",
+ " i = int(raw_input(\"Enter the record no. to read(0 to stop): \"))\n",
+ " if i == 0:\n",
+ " break\n",
+ " fp.seek(0)\n",
+ " counter = 0\n",
+ " for line in lines:\n",
+ " counter += 1\n",
+ " if counter == i:\n",
+ " print line.split(\",\")[0], line.split(\",\")[1], line.split(\",\")[2]\n",
+ " break"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The file class.rec is of 70 bytes\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the record no. to read(0 to stop): 1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4005 babu 85\n",
+ "\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the record no. to read(0 to stop): 2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4007 rajkumar 98\n",
+ "\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the record no. to read(0 to stop): 3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4012 raju 77\n",
+ "\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the record no. to read(0 to stop): 4\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4028 teja 93\n",
+ "\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the record no. to read(0 to stop): 0\n"
+ ]
+ }
+ ],
+ "prompt_number": 19
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8, page no. 384"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#The example will remain same as above"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [],
+ "prompt_number": 20
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example fwrite.c, page no. 390"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#there is no concept of buffered write. We will do it normally\n",
+ "\n",
+ "fp = open(\"testbuf.txt\", \"w\")\n",
+ "fp.write(\"1. This is fwrite\\n\")\n",
+ "fp.write(\"2. this is write\\n\")\n",
+ "fp.close()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [],
+ "prompt_number": 23
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#rest of the examples in the chapters deal with command line arguments which is not possible in IPython Notebook."
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [],
+ "prompt_number": 24
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
diff --git a/Mastering_C/chapter11.ipynb b/Mastering_C/chapter11.ipynb
new file mode 100644
index 00000000..9b5d4e2e
--- /dev/null
+++ b/Mastering_C/chapter11.ipynb
@@ -0,0 +1,1993 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:e3b54ab088a42a68b5666c432cb7bb7b24f6ac5896dfbd8ae6cf469e8bea26f9"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 11: Dynamic Memory Allocation\n"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 1, page no. 407"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "g = 50\n",
+ "def func(p):\n",
+ " s = 200\n",
+ " i = 10\n",
+ " print i, s\n",
+ "a = 1\n",
+ "print a\n",
+ "print g\n",
+ "func(-16)\n",
+ "print \"over!\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n",
+ "50\n",
+ "10 200\n",
+ "over!\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2, page no. 409"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#there is no concept of malloc & free in Python\n",
+ "\n",
+ "print \"How many elements?: \",\n",
+ "n = int(raw_input())\n",
+ "ary = []\n",
+ "print \"Enter the elements: \"\n",
+ "for i in range(n):\n",
+ " ary.append(int(raw_input()))\n",
+ "print \"The entered array is: \"\n",
+ "for ele in ary:\n",
+ " print ele,"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "How many elements?: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enter the elements: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The entered array is: \n",
+ "1 2 3\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.1, page no. 412"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "marks = []\n",
+ "size = 3\n",
+ "n = 0\n",
+ "print \"Enter marks (-1 to stop: )\"\n",
+ "mark = int(raw_input())\n",
+ "while mark != -1:\n",
+ " if n >= size:\n",
+ " print \"realloc 3 more integers...\"\n",
+ " size += 3\n",
+ " marks.append(mark)\n",
+ " mark = int(raw_input())\n",
+ " n += 1\n",
+ "\n",
+ "for mark in marks:\n",
+ " print mark,"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter marks (-1 to stop: )\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "12\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "50\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "60\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "70\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "realloc 3 more integers...\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "80\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "90\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "100\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "realloc 3 more integers...\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "12 50 60 70 80 90 100\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.2, page no. 413"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import numpy\n",
+ "n = int(raw_input(\"Rows: \"))\n",
+ "m = int(raw_input(\"Columns: \"))\n",
+ "mat = numpy.zeros((n, m))\n",
+ "print \"Input the elements: \"\n",
+ "for i in range(n):\n",
+ " for j in range(m):\n",
+ " mat[i][j] = int(raw_input())\n",
+ "print \"Input two rows to swap: \"\n",
+ "i = int(raw_input())\n",
+ "j = int(raw_input())\n",
+ "mat[i], mat[j] = mat[j], mat[i]\n",
+ "for i in range(n):\n",
+ " for j in range(m):\n",
+ " print mat[i][j],\n",
+ " print \"\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Rows: 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Columns: 5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input the elements: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "0\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "10\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input two rows to swap: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "0\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2.0 4.0 6.0 8.0 10.0 \n",
+ "6.0 7.0 8.0 9.0 0.0 \n",
+ "2.0 4.0 6.0 8.0 10.0 \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.3, page no. 415"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def get(x, r, c):\n",
+ " for i in range(r):\n",
+ " for j in range(c):\n",
+ " x[i][j] = int(raw_input())\n",
+ " return x\n",
+ "def display(x, r, c):\n",
+ " for i in range(r):\n",
+ " for j in range(c):\n",
+ " print x[i][j],\n",
+ " print \"\"\n",
+ "def mul(a, b, c, row, m, col):\n",
+ " for i in range(row):\n",
+ " for j in range(col):\n",
+ " c[i][j] = 0\n",
+ " for k in range(m):\n",
+ " c[i][j] = c[i][j] + a[i][k] * b[k][j]\n",
+ " return c\n",
+ "a = numpy.zeros((30, 30)) \n",
+ "b = numpy.zeros((30, 30)) \n",
+ "c = numpy.zeros((30, 30)) \n",
+ "print \"Size of matrix A: \"\n",
+ "r1 = int(raw_input(\"row: \"))\n",
+ "c1 = int(raw_input(\"col: \"))\n",
+ "print \"Size of matrix B: \"\n",
+ "r2 = int(raw_input(\"row: \"))\n",
+ "c2 = int(raw_input(\"col: \"))\n",
+ "if c1 != r2:\n",
+ " print \"Multiplication not possible.\"\n",
+ " print \"columns of matrix A are not equal\"\n",
+ " print \"to rows of Matrix B\"\n",
+ "else:\n",
+ " print \"Multiplication possible\"\n",
+ " print \"Matrix A(%d X %d) elements?\" %(r1, c1)\n",
+ " a = get(a, r1, c1)\n",
+ " print \"Matrix B(%d X %d) elements?\" %(r2, c2)\n",
+ " b = get(a, r1, c1)\n",
+ " c = mul(a, b, c, r1, c1, c2)\n",
+ " print \"Product matrix C(%d X %d): \" %(r1, c2)\n",
+ " display (c, r1, c2)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Size of matrix A: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "row: 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "col: 4\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Size of matrix B: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "row: 4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "col: 3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Multiplication possible\n",
+ "Matrix A(3 X 4) elements?\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "10\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "11\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "12\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Matrix B(4 X 3) elements?\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "10\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "11\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "12\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Product matrix C(3 X 3): \n",
+ "38.0 44.0 50.0 \n",
+ "98.0 116.0 134.0 \n",
+ "158.0 188.0 218.0 \n"
+ ]
+ }
+ ],
+ "prompt_number": 15
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exmaple 11.4, page no. 419"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import sys\n",
+ "\n",
+ "class node:\n",
+ " def __init__(self, data=0, link=None):\n",
+ " self.data = data\n",
+ " self.link = link\n",
+ "\n",
+ "start = None\n",
+ " \n",
+ "def add_front(data):\n",
+ " global start\n",
+ " tmp = node(data)\n",
+ " if(start == None):\n",
+ " start = tmp\n",
+ " else:\n",
+ " tmp.link = start\n",
+ " start = tmp\n",
+ "\n",
+ "def del_pos(pos):\n",
+ " global start\n",
+ " if (pos == 0):\n",
+ " tmp = start\n",
+ " start = start.link\n",
+ " return\n",
+ " q = start\n",
+ " count = 1\n",
+ " while(q.link != None):\n",
+ " if(count == pos):\n",
+ " tmp = q.link\n",
+ " q.link = tmp.link\n",
+ " return\n",
+ " count += 1\n",
+ " q = q.link\n",
+ " print \"\\n\\nThere is no element at %d position\" %pos\n",
+ " \n",
+ "def del_elem(data):\n",
+ " global start\n",
+ " if (start.data == data):\n",
+ " tmp = start\n",
+ " start = start.link\n",
+ " return\n",
+ " q = start\n",
+ " while(q.link.link != None):\n",
+ " if(q.link.data == data):\n",
+ " tmp = q.link\n",
+ " q.link = tmp.link\n",
+ " return\n",
+ " q = q.link\n",
+ " if(q.link.data == data):\n",
+ " tmp = q.link;\n",
+ " q.link = None\n",
+ " return\n",
+ " print \"\\n\\nThere is no element whose value is %d\" %data\n",
+ "\n",
+ "def display_list():\n",
+ " global start\n",
+ " if(start == None):\n",
+ " print \"\\n\\nList empty\"\n",
+ " return\n",
+ " q=start\n",
+ " print \"\\nThe List is...\"\n",
+ " while(q != None):\n",
+ " print q.data,\n",
+ " q = q.link\n",
+ " print \"\\n\"\n",
+ "\n",
+ "def get_data():\n",
+ " data = int(raw_input(\"Enter the data: \"))\n",
+ " return data\n",
+ "\n",
+ "while(1):\n",
+ " print \"\\n1.Insert at the beginning of the list\"\n",
+ " print \"2.Delete an element at a give position\"\n",
+ " print \"3.Delete an element with a give value\"\n",
+ " print \"4.Quit\"\n",
+ " print \"Choice: \",\n",
+ " choice =int(raw_input())\n",
+ " if choice == 1:\n",
+ " data = get_data()\n",
+ " add_front(data)\n",
+ " elif choice == 2:\n",
+ " if (start == None):\n",
+ " print \"\\nList empty\"\n",
+ " continue\n",
+ " print \"\\n\\nEnter the position:\"\n",
+ " pos = int(raw_input())\n",
+ " del_pos(pos)\n",
+ " elif choice == 3:\n",
+ " if (start == None):\n",
+ " print \"\\nList empty\"\n",
+ " continue\n",
+ " data = get_data()\n",
+ " del_elem(data)\n",
+ " elif choice == 4:\n",
+ " break\n",
+ " display_list()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "1 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "2 1 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "3 2 1 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "\n",
+ "Enter the position:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "The List is...\n",
+ "3 1 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "2 3 1 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "1 2 3 1 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "5 1 2 3 1 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "\n",
+ "Enter the position:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "The List is...\n",
+ "5 1 2 3 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ }
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.5, page no. 424"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def bubble(x, upbound):\n",
+ " pas = upbound\n",
+ " while pas >= 0:\n",
+ " for i in range(pas):\n",
+ " if x[i] > x[i+1]:\n",
+ " x[i], x[i+1] = x[i+1], x[i]\n",
+ " pas -= 1\n",
+ " return x\n",
+ "vector = []\n",
+ "n = int(raw_input(\"Size of array? \"))\n",
+ "for i in range(n):\n",
+ " vector.append(int(raw_input()))\n",
+ "vector = bubble(vector, n-1)\n",
+ "print \"Sorted array \"\n",
+ "for ele in vector:\n",
+ " print ele,"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Size of array? 8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "98\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "34\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "62\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "12\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "88\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Sorted array \n",
+ "0 1 5 12 34 62 88 98\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.6, page no. 425"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "s1 = raw_input(\"Enter string one \")\n",
+ "s2 = raw_input(\"Enter string two \")\n",
+ "print \"Concatenated string is: \", s1+s2"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter string one Tejaswi\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter string two .V.\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Concatenated string is: Tejaswi.V.\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.7, page no. 425"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def sort_strings(strarr):\n",
+ " return sorted(strarr)\n",
+ "\n",
+ "n = int(raw_input(\"Number of strings: \"))\n",
+ "str_array = []\n",
+ "print \"Enter the strings: \"\n",
+ "for i in range(n):\n",
+ " str_array.append(raw_input())\n",
+ "\n",
+ "strarr = sort_strings(str_array)\n",
+ "print \"The sorted array is\"\n",
+ "for string in strarr:\n",
+ " print string"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Number of strings: 5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the strings: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Tejaswi\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Anand\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Rajkumar\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Maya\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Sudeep\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The sorted array is\n",
+ "Anand\n",
+ "Maya\n",
+ "Rajkumar\n",
+ "Sudeep\n",
+ "Tejaswi\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 11.8, page no. 427"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import sys\n",
+ "\n",
+ "class node:\n",
+ " def __init__(self, data=0, link=None):\n",
+ " self.data = data\n",
+ " self.link = link\n",
+ "\n",
+ "start = None\n",
+ " \n",
+ "def add_front(data):\n",
+ " global start\n",
+ " tmp = node(data)\n",
+ " if(start == None):\n",
+ " start = tmp\n",
+ " else:\n",
+ " tmp.link = start\n",
+ " start = tmp\n",
+ "\n",
+ "def del_pos(pos):\n",
+ " global start\n",
+ " if (pos == 0):\n",
+ " tmp = start\n",
+ " start = start.link\n",
+ " return\n",
+ " q = start\n",
+ " count = 1\n",
+ " while(q.link != None):\n",
+ " if(count == pos):\n",
+ " tmp = q.link\n",
+ " q.link = tmp.link\n",
+ " return\n",
+ " count += 1\n",
+ " q = q.link\n",
+ " print \"\\n\\nThere is no element at %d position\" %pos\n",
+ " \n",
+ "def del_elem(data):\n",
+ " global start\n",
+ " if (start.data == data):\n",
+ " tmp = start\n",
+ " start = start.link\n",
+ " return\n",
+ " q = start\n",
+ " while(q.link.link != None):\n",
+ " if(q.link.data == data):\n",
+ " tmp = q.link\n",
+ " q.link = tmp.link\n",
+ " return\n",
+ " q = q.link\n",
+ " if(q.link.data == data):\n",
+ " tmp = q.link;\n",
+ " q.link = None\n",
+ " return\n",
+ " print \"\\n\\nThere is no element whose value is %d\" %data\n",
+ "\n",
+ "def display_list():\n",
+ " global start\n",
+ " if(start == None):\n",
+ " print \"\\n\\nList empty\"\n",
+ " return\n",
+ " q=start\n",
+ " print \"\\nThe List is...\"\n",
+ " while(q != None):\n",
+ " print q.data,\n",
+ " q = q.link\n",
+ " print \"\\n\"\n",
+ "\n",
+ "def smallest():\n",
+ " global start\n",
+ " q = start\n",
+ " min = q.data\n",
+ " pos = 0\n",
+ " min_pos = 0\n",
+ " while(q != None):\n",
+ " if q.data < min:\n",
+ " min = q.data\n",
+ " mis_pos = pos\n",
+ " pos += 1\n",
+ " q = q.link\n",
+ " return min, min_pos+1\n",
+ "\n",
+ "def largest():\n",
+ " global start\n",
+ " q = start\n",
+ " max = q.data\n",
+ " pos = 0\n",
+ " max_pos = 0\n",
+ " while(q != None):\n",
+ " if q.data > max:\n",
+ " max = q.data\n",
+ " max_pos = pos\n",
+ " pos += 1\n",
+ " q = q.link\n",
+ " return max, max_pos+1\n",
+ "\n",
+ "def get_data():\n",
+ " data = int(raw_input(\"Enter the data: \"))\n",
+ " return data\n",
+ "\n",
+ "while(1):\n",
+ " print \"\\n1.Insert at the beginning of the list\"\n",
+ " print \"2.Delete an element at a give position\"\n",
+ " print \"3.Delete an element with a give value\"\n",
+ " print \"4.Find smallest in the list\"\n",
+ " print \"5.Find largest in the list\"\n",
+ " print \"6.Quit\"\n",
+ " print \"Choice: \",\n",
+ " choice =int(raw_input())\n",
+ " if choice == 1:\n",
+ " data = get_data()\n",
+ " add_front(data)\n",
+ " elif choice == 2:\n",
+ " if (start == None):\n",
+ " print \"\\nList empty\"\n",
+ " continue\n",
+ " print \"\\n\\nEnter the position:\"\n",
+ " pos = int(raw_input())\n",
+ " del_pos(pos)\n",
+ " elif choice == 3:\n",
+ " if (start == None):\n",
+ " print \"\\nList empty\"\n",
+ " continue\n",
+ " data = get_data()\n",
+ " del_elem(data)\n",
+ " elif choice == 4:\n",
+ " min, pos = smallest()\n",
+ " print \"The smallest element has value \", min\n",
+ " print \"Its position is \", pos\n",
+ " elif choice == 5:\n",
+ " max, pos = largest()\n",
+ " print \"The largest element has value \", max\n",
+ " print \"Its position is \", pos\n",
+ " elif choice == 6:\n",
+ " break\n",
+ " display_list()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Find smallest in the list\n",
+ "5.Find largest in the list\n",
+ "6.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 56\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "56 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Find smallest in the list\n",
+ "5.Find largest in the list\n",
+ "6.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 34\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "34 56 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Find smallest in the list\n",
+ "5.Find largest in the list\n",
+ "6.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 45\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "45 34 56 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Find smallest in the list\n",
+ "5.Find largest in the list\n",
+ "6.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " The smallest element has value 34\n",
+ "Its position is 1\n",
+ "\n",
+ "The List is...\n",
+ "45 34 56 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Find smallest in the list\n",
+ "5.Find largest in the list\n",
+ "6.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " The largest element has value 56\n",
+ "Its position is 3\n",
+ "\n",
+ "The List is...\n",
+ "45 34 56 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Find smallest in the list\n",
+ "5.Find largest in the list\n",
+ "6.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "3 45 34 56 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Find smallest in the list\n",
+ "5.Find largest in the list\n",
+ "6.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 80\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "80 3 45 34 56 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Find smallest in the list\n",
+ "5.Find largest in the list\n",
+ "6.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "\n",
+ "Enter the position:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "\n",
+ "There is no element at 9 position\n",
+ "\n",
+ "The List is...\n",
+ "80 3 45 34 56 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Find smallest in the list\n",
+ "5.Find largest in the list\n",
+ "6.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "\n",
+ "Enter the position:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "The List is...\n",
+ "80 3 34 56 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Find smallest in the list\n",
+ "5.Find largest in the list\n",
+ "6.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 80\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "3 34 56 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Find smallest in the list\n",
+ "5.Find largest in the list\n",
+ "6.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 16
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
diff --git a/Mastering_C/chapter12.ipynb b/Mastering_C/chapter12.ipynb
new file mode 100644
index 00000000..fd18aaec
--- /dev/null
+++ b/Mastering_C/chapter12.ipynb
@@ -0,0 +1,4076 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:0f4233c9bc3c7a3995f155be01ebee4b829ac86b3935e6b7d37705fb0fea5376"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 12: Data Structures"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Example 12.1, page no. 442"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import numpy\n",
+ "arr = numpy.zeros((2, 2, 2))\n",
+ "\n",
+ "print \"Reading the elements of an array: \"\n",
+ "for i in range(2):\n",
+ " for j in range(2):\n",
+ " for k in range(2):\n",
+ " arr[i][j][k] = int(raw_input())\n",
+ "\n",
+ "print \"Displaying the elements of an array: \"\n",
+ "for i in range(2):\n",
+ " print \"\\n\\t\"\n",
+ " for j in range(2):\n",
+ " for k in range(2):\n",
+ " print \"\\t %3d \" %(arr[i][j][k]),\n",
+ " print \"\\n\\t\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reading the elements of an array: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "15\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "25\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "26\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "13\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "71\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Displaying the elements of an array: \n",
+ "\n",
+ "\t\n",
+ "\t 15 \t 25 \n",
+ "\t\n",
+ "\t 26 \t 13 \n",
+ "\t\n",
+ "\n",
+ "\t\n",
+ "\t 71 \t 9 \n",
+ "\t\n",
+ "\t 1 \t 8 \n",
+ "\t\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 12.2, page no. 442"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "str1 = raw_input(\"Input the first string: \")\n",
+ "str2 = raw_input(\"Input the second string: \")\n",
+ "print \"The concatenated string is ...\"\n",
+ "print str1+str2"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input the first string: Tejaswi \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input the second string: Venugopal\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The concatenated string is ...\n",
+ "Tejaswi Venugopal\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 12.3, page no. 443"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "class record:\n",
+ " name = ''\n",
+ " regno = ''\n",
+ " avg = 0.0\n",
+ " rank = 0\n",
+ "i = 0\n",
+ "students = []\n",
+ "while True:\n",
+ " print \"Processing student %d record...\" %(i+1)\n",
+ " print \"Student name ?(END to terminate): \"\n",
+ " stud = record()\n",
+ " stud.name = raw_input()\n",
+ " if stud.name == 'END':\n",
+ " break\n",
+ " else:\n",
+ " stud.regno = raw_input(\"Reg. no? \")\n",
+ " stud.avg = float(raw_input(\"Average marks? \"))\n",
+ " students.append(stud)\n",
+ " i+=1\n",
+ "n = i\n",
+ "for i in range(n-1):\n",
+ " for j in range(i+1, n):\n",
+ " if students[i].avg < students[j].avg:\n",
+ " students[i], students[j] = students[j], students[i]\n",
+ "for i in range(n):\n",
+ " students[i].rank = i+1\n",
+ "print \"Student records after assigning ranks: \"\n",
+ "print \"%s%20s%20s%20s\" %(\"Name\",\"REGISTER_NUMBER\",\"AVERAGE\",\"RANK\")\n",
+ "print \"------------------------------------------------------------------\"\n",
+ "for i in range(n):\n",
+ " print students[i].name, \"\\t\\t\", students[i].regno, \"\\t\\t\\t\", students[i].avg, \"\\t\\t\\t\", students[i].rank"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Processing student 1 record...\n",
+ "Student name ?(END to terminate): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Asha\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reg. no? ak001\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Average marks? 67.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Processing student 2 record...\n",
+ "Student name ?(END to terminate): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Bina\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reg. no? ak003\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Average marks? 34.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Processing student 3 record...\n",
+ "Student name ?(END to terminate): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Anand\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reg. no? ak004\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Average marks? 67.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Processing student 4 record...\n",
+ "Student name ?(END to terminate): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Sudeep\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reg. no? ak005\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Average marks? 78.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Processing student 5 record...\n",
+ "Student name ?(END to terminate): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Tejaswi\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reg. no? ak006\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Average marks? 89.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Processing student 6 record...\n",
+ "Student name ?(END to terminate): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Maya\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reg. no? ak007\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Average marks? 89.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Processing student 7 record...\n",
+ "Student name ?(END to terminate): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Prakash\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reg. no? ak008\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Average marks? 89.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Processing student 8 record...\n",
+ "Student name ?(END to terminate): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Raju\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reg. no? ak009\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Average marks? 82.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Processing student 9 record...\n",
+ "Student name ?(END to terminate): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Geetha\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reg. no? ak010\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Average marks? 85.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Processing student 10 record...\n",
+ "Student name ?(END to terminate): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Gopi\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reg. no? ak011\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Average marks? 45.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Processing student 11 record...\n",
+ "Student name ?(END to terminate): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Ganesh\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reg. no? ak012\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Average marks? 89.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Processing student 12 record...\n",
+ "Student name ?(END to terminate): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "END\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Student records after assigning ranks: \n",
+ "Name REGISTER_NUMBER AVERAGE RANK\n",
+ "------------------------------------------------------------------\n",
+ "Tejaswi \t\tak006 \t\t\t89.0 \t\t\t1\n",
+ "Maya \t\tak007 \t\t\t89.0 \t\t\t2\n",
+ "Prakash \t\tak008 \t\t\t89.0 \t\t\t3\n",
+ "Ganesh \t\tak012 \t\t\t89.0 \t\t\t4\n",
+ "Geetha \t\tak010 \t\t\t85.0 \t\t\t5\n",
+ "Raju \t\tak009 \t\t\t82.0 \t\t\t6\n",
+ "Sudeep \t\tak005 \t\t\t78.0 \t\t\t7\n",
+ "Anand \t\tak004 \t\t\t67.0 \t\t\t8\n",
+ "Asha \t\tak001 \t\t\t67.0 \t\t\t9\n",
+ "Gopi \t\tak011 \t\t\t45.0 \t\t\t10\n",
+ "Bina \t\tak003 \t\t\t34.0 \t\t\t11\n"
+ ]
+ }
+ ],
+ "prompt_number": 17
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 12.4, page no. 446"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import numpy\n",
+ "arr = numpy.zeros((3,3))\n",
+ "print \"Reading the elements of 2-D array: \"\n",
+ "for i in range(3):\n",
+ " for j in range(3):\n",
+ " arr[i][j] = int(raw_input())\n",
+ "print \"Displaying the elements of 2-D array: \"\n",
+ "p = arr\n",
+ "for i in range(3):\n",
+ " for j in range(3):\n",
+ " print \"arr[%d][%d] = %d\" %(i, j, p[i][j]),\n",
+ " print \"\\tAddress of arr[%d][%d] = %d\" %(i, j, id(p[i][j]))"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Reading the elements of 2-D array: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Displaying the elements of 2-D array: \n",
+ "arr[0][0] = 1 \tAddress of arr[0][0] = 52403744\n",
+ "arr[0][1] = 2 \tAddress of arr[0][1] = 57791200\n",
+ "arr[0][2] = 3 \tAddress of arr[0][2] = 55892528\n",
+ "arr[1][0] = 4 \tAddress of arr[1][0] = 55892528\n",
+ "arr[1][1] = 5 \tAddress of arr[1][1] = 55892528\n",
+ "arr[1][2] = 6 \tAddress of arr[1][2] = 51486976\n",
+ "arr[2][0] = 7 \tAddress of arr[2][0] = 58587952\n",
+ "arr[2][1] = 8 \tAddress of arr[2][1] = 50218032\n",
+ "arr[2][2] = 9 \tAddress of arr[2][2] = 50218032\n"
+ ]
+ }
+ ],
+ "prompt_number": 21
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 12.5, page no. 449"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import sys\n",
+ "\n",
+ "class node:\n",
+ " def __init__(self, data=0, link=None):\n",
+ " self.data = data\n",
+ " self.link = link\n",
+ "\n",
+ "start = None\n",
+ " \n",
+ "def add_front(data):\n",
+ " global start\n",
+ " tmp = node(data)\n",
+ " if(start == None):\n",
+ " start = tmp\n",
+ " else:\n",
+ " tmp.link = start\n",
+ " start = tmp\n",
+ "\n",
+ "def del_pos(pos):\n",
+ " global start\n",
+ " if (pos == 0):\n",
+ " tmp = start\n",
+ " start = start.link\n",
+ " return\n",
+ " q = start\n",
+ " count = 1\n",
+ " while(q.link != None):\n",
+ " if(count == pos):\n",
+ " tmp = q.link\n",
+ " q.link = tmp.link\n",
+ " return\n",
+ " count += 1\n",
+ " q = q.link\n",
+ " print \"\\n\\nThere is no element at %d position\" %pos\n",
+ " \n",
+ "def del_elem(data):\n",
+ " global start\n",
+ " if (start.data == data):\n",
+ " tmp = start\n",
+ " start = start.link\n",
+ " return\n",
+ " q = start\n",
+ " while(q.link.link != None):\n",
+ " if(q.link.data == data):\n",
+ " tmp = q.link\n",
+ " q.link = tmp.link\n",
+ " return\n",
+ " q = q.link\n",
+ " if(q.link.data == data):\n",
+ " tmp = q.link;\n",
+ " q.link = None\n",
+ " return\n",
+ " print \"\\n\\nThere is no element whose value is %d\" %data\n",
+ "\n",
+ "def display_list():\n",
+ " global start\n",
+ " if(start == None):\n",
+ " print \"\\n\\nList empty\"\n",
+ " return\n",
+ " q=start\n",
+ " print \"\\nThe List is...\"\n",
+ " while(q != None):\n",
+ " print q.data,\n",
+ " q = q.link\n",
+ " print \"\\n\"\n",
+ "\n",
+ "def get_data():\n",
+ " data = int(raw_input(\"Enter the data: \"))\n",
+ " return data\n",
+ "\n",
+ "while(1):\n",
+ " print \"\\n1.Insert at the beginning of the list\"\n",
+ " print \"2.Delete an element at a give position\"\n",
+ " print \"3.Delete an element with a give value\"\n",
+ " print \"4.Quit\"\n",
+ " print \"Choice: \",\n",
+ " choice =int(raw_input())\n",
+ " if choice == 1:\n",
+ " data = get_data()\n",
+ " add_front(data)\n",
+ " elif choice == 2:\n",
+ " if (start == None):\n",
+ " print \"\\nList empty\"\n",
+ " continue\n",
+ " print \"\\n\\nEnter the position:\"\n",
+ " pos = int(raw_input())\n",
+ " del_pos(pos)\n",
+ " elif choice == 3:\n",
+ " if (start == None):\n",
+ " print \"\\nList empty\"\n",
+ " continue\n",
+ " data = get_data()\n",
+ " del_elem(data)\n",
+ " elif choice == 4:\n",
+ " break\n",
+ " display_list()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "0 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "1 0 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "2 1 0 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "3 2 1 0 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 4\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "4 3 2 1 0 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "\n",
+ "Enter the position:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "The List is...\n",
+ "4 2 1 0 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: 1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "The List is...\n",
+ "4 2 0 \n",
+ "\n",
+ "\n",
+ "1.Insert at the beginning of the list\n",
+ "2.Delete an element at a give position\n",
+ "3.Delete an element with a give value\n",
+ "4.Quit\n",
+ "Choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 22
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 12.6, page no. 454"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import sys\n",
+ "\n",
+ "class node:\n",
+ " def __init__(self, info=None, link=None):\n",
+ " self.info = info\n",
+ " self.link = link\n",
+ "\n",
+ "last = None\n",
+ "class Circular_Linked:\n",
+ " def create(self, num):\n",
+ " global last\n",
+ " q = node()\n",
+ " tmp = node()\n",
+ " tmp.info = num\n",
+ " if (last == None):\n",
+ " last = tmp\n",
+ " tmp.link = last\n",
+ " else:\n",
+ " tmp.link = last.link\n",
+ " last.link = tmp\n",
+ " last = tmp\n",
+ "\n",
+ " def insert(self, num, pos):\n",
+ " global last\n",
+ " q = node()\n",
+ " tmp = node()\n",
+ " q = last.link\n",
+ " for i in range(0, pos-1):\n",
+ " q = q.link\n",
+ " if (q == last.link):\n",
+ " print \"There are less than \", pos, \" elements\"\n",
+ " return\n",
+ " tmp.link = q.link\n",
+ " tmp.info = num\n",
+ " q.link = tmp\n",
+ " if(q==last):\n",
+ " last=tmp\n",
+ "\n",
+ " def delete(self):\n",
+ " global last\n",
+ " if(last == None):\n",
+ " print \"LIST EMPTY - CANNOT DELETE\"\n",
+ " return\n",
+ " print \"Data item to be deleted:\"\n",
+ " num = int(raw_input())\n",
+ " q = node()\n",
+ " tmp = node()\n",
+ " if( last.link == last and last.info == num):\n",
+ " tmp = last\n",
+ " last = None\n",
+ " return\n",
+ " q = last.link\n",
+ " if(q.info == num):\n",
+ " tmp = q\n",
+ " last.link = q.link\n",
+ " return\n",
+ " while(q.link != last):\n",
+ " if(q.link.info == num):\n",
+ " tmp = q.link\n",
+ " q.link = tmp.link\n",
+ " print num, \" deleted\"\n",
+ " q = q.link\n",
+ " if(q.link.info == num):\n",
+ " tmp = q.link\n",
+ " q.link = last.link\n",
+ " last = q\n",
+ " return\n",
+ " print \"Element not found\"\n",
+ "\n",
+ " def display(self):\n",
+ " global last\n",
+ " q = node()\n",
+ " if(last == None):\n",
+ " print \"List is empty\"\n",
+ " return\n",
+ " q = last.link\n",
+ " print \"List is:\"\n",
+ " while(q != last):\n",
+ " print q.info,\n",
+ " q = q.link\n",
+ " print last.info\n",
+ " \n",
+ "co = Circular_Linked()\n",
+ "while(1):\n",
+ " print \"\\n1.Create Circular Linked List\"\n",
+ " print \"2.Insert an item\"\n",
+ " print \"3.Delete an item\"\n",
+ " print \"4.STOP\"\n",
+ " print \"Enter your choice:\"\n",
+ " choice = int(raw_input())\n",
+ " if choice == 1:\n",
+ " print \"How many nodes you want:\",\n",
+ " n = int(raw_input())\n",
+ " for i in range(n):\n",
+ " print \"\\nEnter the element:\",\n",
+ " m = int(raw_input())\n",
+ " co.create(m)\n",
+ " elif choice == 2:\n",
+ " print \"\\nEnter the element:\",\n",
+ " m = int(raw_input())\n",
+ " print \"\\nEnter the position after which this element is inserted:\",\n",
+ " po = int(raw_input())\n",
+ " co.insert(m,po)\n",
+ " elif choice == 3:\n",
+ " co.delete()\n",
+ " elif choice == 4:\n",
+ " break\n",
+ " else:\n",
+ " print \"Error - Try again\"\n",
+ " co.display()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "1.Create Circular Linked List\n",
+ "2.Insert an item\n",
+ "3.Delete an item\n",
+ "4.STOP\n",
+ "Enter your choice:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "How many nodes you want:"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "Enter the element:"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "Enter the element:"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "Enter the element:"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "Enter the element:"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " List is:\n",
+ "1 2 3 4\n",
+ "\n",
+ "1.Create Circular Linked List\n",
+ "2.Insert an item\n",
+ "3.Delete an item\n",
+ "4.STOP\n",
+ "Enter your choice:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "How many nodes you want:"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "Enter the element:"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " List is:\n",
+ "1 2 3 4 5\n",
+ "\n",
+ "1.Create Circular Linked List\n",
+ "2.Insert an item\n",
+ "3.Delete an item\n",
+ "4.STOP\n",
+ "Enter your choice:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "Enter the element:"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "Enter the position after which this element is inserted:"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " List is:\n",
+ "1 0 2 3 4 5\n",
+ "\n",
+ "1.Create Circular Linked List\n",
+ "2.Insert an item\n",
+ "3.Delete an item\n",
+ "4.STOP\n",
+ "Enter your choice:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Data item to be deleted:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "0 deleted\n",
+ "Element not found\n",
+ "List is:\n",
+ "1 2 3 4 5\n",
+ "\n",
+ "1.Create Circular Linked List\n",
+ "2.Insert an item\n",
+ "3.Delete an item\n",
+ "4.STOP\n",
+ "Enter your choice:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Data item to be deleted:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Element not found\n",
+ "List is:\n",
+ "1 2 3 4 5\n",
+ "\n",
+ "1.Create Circular Linked List\n",
+ "2.Insert an item\n",
+ "3.Delete an item\n",
+ "4.STOP\n",
+ "Enter your choice:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 12.7, page no. 461"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "MAXSIZE = 100\n",
+ "\n",
+ "class stack:\n",
+ " def __init__(self):\n",
+ " self.stack = []\n",
+ " self.top = -1\n",
+ "\n",
+ "def push(pu):\n",
+ " if(pu.top == MAXSIZE-1):\n",
+ " print \"The stack is full\"\n",
+ " else:\n",
+ " print \"Enter the element to be inserted: \"\n",
+ " item = int(raw_input())\n",
+ " pu.stack.append(item)\n",
+ " pu.top += 1\n",
+ "\n",
+ "def pop(po):\n",
+ " if(po.top == -1):\n",
+ " print \"Stack is empty\"\n",
+ " else:\n",
+ " item = po.stack[po.top]\n",
+ " po.top-=1\n",
+ " print \"The popped element is: %d\" %item\n",
+ "\n",
+ "\n",
+ "def display(pt):\n",
+ " if(pt.top == -1):\n",
+ " print \"Stack is empty\"\n",
+ " else:\n",
+ " print \"The element(s) of the stack are: \"\n",
+ " i = pt.top\n",
+ " while(i>=0):\n",
+ " print \"%d\" %pt.stack[i],\n",
+ " i-=1\n",
+ "\n",
+ "ps = stack()\n",
+ "ch = 'y'\n",
+ "\n",
+ "while(1):\n",
+ " print \"\\n1. Push into the stack\"\n",
+ " print \"2. POP\"\n",
+ " print \"3. View elements of the stack\"\n",
+ " print \"4. Exit\"\n",
+ " print \"Enter your choice: \"\n",
+ " choice = int(raw_input())\n",
+ " if(choice == 1):\n",
+ " push(ps)\n",
+ " elif(choice == 2):\n",
+ " pop(ps)\n",
+ " elif(choice == 3):\n",
+ " display(ps)\n",
+ " elif(choice == 4):\n",
+ " break\n",
+ " else:\n",
+ " print \"Invalid Choice\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1. Push into the stack\n",
+ "2. POP\n",
+ "3. View elements of the stack\n",
+ "4. Exit\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the element to be inserted: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "12\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1. Push into the stack\n",
+ "2. POP\n",
+ "3. View elements of the stack\n",
+ "4. Exit\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the element to be inserted: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "23\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1. Push into the stack\n",
+ "2. POP\n",
+ "3. View elements of the stack\n",
+ "4. Exit\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the element to be inserted: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "67\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1. Push into the stack\n",
+ "2. POP\n",
+ "3. View elements of the stack\n",
+ "4. Exit\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The popped element is: 67\n",
+ "\n",
+ "1. Push into the stack\n",
+ "2. POP\n",
+ "3. View elements of the stack\n",
+ "4. Exit\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the element to be inserted: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "88\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1. Push into the stack\n",
+ "2. POP\n",
+ "3. View elements of the stack\n",
+ "4. Exit\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The element(s) of the stack are: \n",
+ "67 23 12 \n",
+ "1. Push into the stack\n",
+ "2. POP\n",
+ "3. View elements of the stack\n",
+ "4. Exit\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 12.8, page no. 463"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "class node:\n",
+ " def __init__(self, link=None):\n",
+ " self.data = None\n",
+ " self.link = link\n",
+ " \n",
+ "start = None\n",
+ "\n",
+ "\n",
+ "def push(top):\n",
+ " new = node()\n",
+ " print \"Enter element to be pushed: \",\n",
+ " pushed_item = int(raw_input())\n",
+ " new.data = pushed_item\n",
+ " new.link = top\n",
+ " top = new\n",
+ " return top\n",
+ "\n",
+ "def pop(top):\n",
+ " tmp = node()\n",
+ " if(top == None):\n",
+ " print \"Stack is empty...\" \n",
+ " else:\n",
+ " tmp = top\n",
+ " print \"Popped item is: \", tmp.data\n",
+ " top = top.link\n",
+ " tmp.link = None\n",
+ " return top\n",
+ "\n",
+ "def display(top):\n",
+ " if(top == None):\n",
+ " print \"Stack is empty...\"\n",
+ " else:\n",
+ " while(top.link != None):\n",
+ " print top.data,\n",
+ " top = top.link\n",
+ " \n",
+ "Top = node()\n",
+ "while(1):\n",
+ " print \"\\n1.PUSH\"\n",
+ " print \"2.POP\"\n",
+ " print \"3.END\"\n",
+ " print \"Enter your choice: \",\n",
+ " choice = int(raw_input())\n",
+ " if choice == 1:\n",
+ " Top = push(Top)\n",
+ " print \"STACK after pushing: \"\n",
+ " display(Top)\n",
+ " elif choice == 2:\n",
+ " Top=pop(Top)\n",
+ " print \"STACK after popping: \"\n",
+ " display(Top)\n",
+ " elif choice == 3:\n",
+ " print \"End of comutation\"\n",
+ " break\n",
+ " else:\n",
+ " print \"Invalid Choice\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1.PUSH\n",
+ "2.POP\n",
+ "3.END\n",
+ "Enter your choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enter element to be pushed: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "23\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " STACK after pushing: \n",
+ "23 \n",
+ "1.PUSH\n",
+ "2.POP\n",
+ "3.END\n",
+ "Enter your choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enter element to be pushed: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "12\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " STACK after pushing: \n",
+ "12 23 \n",
+ "1.PUSH\n",
+ "2.POP\n",
+ "3.END\n",
+ "Enter your choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enter element to be pushed: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "67\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " STACK after pushing: \n",
+ "67 12 23 \n",
+ "1.PUSH\n",
+ "2.POP\n",
+ "3.END\n",
+ "Enter your choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Popped item is: 67\n",
+ "STACK after popping: \n",
+ "12 23 \n",
+ "1.PUSH\n",
+ "2.POP\n",
+ "3.END\n",
+ "Enter your choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Popped item is: 12\n",
+ "STACK after popping: \n",
+ "23 \n",
+ "1.PUSH\n",
+ "2.POP\n",
+ "3.END\n",
+ "Enter your choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enter element to be pushed: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "88\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " STACK after pushing: \n",
+ "88 23 \n",
+ "1.PUSH\n",
+ "2.POP\n",
+ "3.END\n",
+ "Enter your choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Popped item is: 88\n",
+ "STACK after popping: \n",
+ "23 \n",
+ "1.PUSH\n",
+ "2.POP\n",
+ "3.END\n",
+ "Enter your choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Popped item is: 23\n",
+ "STACK after popping: \n",
+ "\n",
+ "1.PUSH\n",
+ "2.POP\n",
+ "3.END\n",
+ "Enter your choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Popped item is: None\n",
+ "STACK after popping: \n",
+ "Stack is empty...\n",
+ "\n",
+ "1.PUSH\n",
+ "2.POP\n",
+ "3.END\n",
+ "Enter your choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " End of comutation\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 12.9, page no. 467"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "stck = []\n",
+ "\n",
+ "def push(sp,ch):\n",
+ " if sp==100:\n",
+ " print \"Error : Stack overflow\"\n",
+ " else:\n",
+ " sp += 1\n",
+ " stck.append(ch)\n",
+ "\n",
+ "def pop(sp):\n",
+ " if sp < 0:\n",
+ " print \"Error : Stack underflow\"\n",
+ " return 0\n",
+ " else:\n",
+ " sp -= 1\n",
+ " return stck[sp+1]\n",
+ "\n",
+ "def alpha(ch):\n",
+ " if (ch>='A' and ch<=\"Z\") or (ch>='a' and ch<=\"z\"):\n",
+ " return True\n",
+ " else:\n",
+ " return False\n",
+ "\n",
+ "def num(ch):\n",
+ " if ch>='0' and ch<=\"9\":\n",
+ " return True\n",
+ " else:\n",
+ " return False\n",
+ "\n",
+ "def oper(ch):\n",
+ " oparray = ['+','-','*','/','^']\n",
+ " if ch in oparray:\n",
+ " return True\n",
+ " else:\n",
+ " return False\n",
+ " \n",
+ "def precedence(ch):\n",
+ " if ch=='(':\n",
+ " i = 0\n",
+ " elif ch=='+' or ch=='-':\n",
+ " i = 1\n",
+ " elif ch=='*' or ch=='/':\n",
+ " i = 2\n",
+ " elif ch=='^':\n",
+ " i = 3\n",
+ " return i\n",
+ "\n",
+ "def printerror(n,ifp):\n",
+ " if n==1:\n",
+ " print \"Error_1_: Missing operator\",\n",
+ " elif n==2:\n",
+ " print \"Error_2_: Missing Operand\",\n",
+ " elif n==3:\n",
+ " print \"Error_3_: Mismatched parentehses\",\n",
+ " elif n==4:\n",
+ " print \"Error_4_: Illegal character in expression\",\n",
+ " elif n==5:\n",
+ " print \"Error_5_: Multiletter variable\",\n",
+ " print \"Column %2d\"%ifp\n",
+ " \n",
+ "\n",
+ "def parse (infix,suffix,error):\n",
+ " ch =''\n",
+ " last = '('\n",
+ " i = 0\n",
+ " sp=-1\n",
+ " bracket = 1\n",
+ " ifp = 0\n",
+ " sfp = 0\n",
+ " \n",
+ " push(sp,'(')\n",
+ " \n",
+ " while True:\n",
+ " while infix[i] == \" \":\n",
+ " i += 1\n",
+ " ifp = i\n",
+ " ch = infix[ifp]\n",
+ " \n",
+ " if ch == \"(\":\n",
+ " if alpha(last) or num(last) or last==')':\n",
+ " error = 1\n",
+ " printerror(1,ifp+1)\n",
+ " bracket +=1 \n",
+ " push(sp,ch)\n",
+ " elif ch==\"+\" or ch==\"-\" or ch==\"*\" or ch==\"/\" or ch==\"^\":\n",
+ " if oper(last) or (not alpha(last) and not num(last) and last!=\")\"):\n",
+ " error=1\n",
+ " printerror(2,ifp+1)\n",
+ " while precedence(stck[sp]) >= precedence(ch):\n",
+ " suffix.append(pop(sp))\n",
+ " sfp+=1\n",
+ " push(sp,ch)\n",
+ " elif ch==\")\":\n",
+ " if oper(last):\n",
+ " error=1\n",
+ " printerror(2,ifp+1)\n",
+ " if last==\"(\":\n",
+ " error=1\n",
+ " printerror(2,ifp+1)\n",
+ " printerror(1,ifp+1)\n",
+ " while stck[sp] != \"(\" and sp > 0:\n",
+ " suffix.append(pop(sp))\n",
+ " sfp += 1\n",
+ " sp -= 1\n",
+ " bracket -= 1\n",
+ " elif ch == ' ':\n",
+ " while infix[ifp+1] == \" \" and not infix[ifp] :\n",
+ " ifp += 1\n",
+ " else:\n",
+ " if alpha(last) or num(last):\n",
+ " error = 1 \n",
+ " printerror(1,ifp+1)\n",
+ " printerror(5,ifp+1)\n",
+ " if alpha(ch):\n",
+ " print ch,\n",
+ " suffix.append(infix[ifp])\n",
+ " sfp += 1\n",
+ " elif num(ch):\n",
+ " while num(infix[ifp]):\n",
+ " suffix.append(infix[ifp])\n",
+ " ifp += 1\n",
+ " sfp += 1\n",
+ " ifp -= 1\n",
+ " else:\n",
+ " printerror(4,ifp+1)\n",
+ " last = infix[ifp]\n",
+ " ifp += 1\n",
+ " i = ifp\n",
+ " print ifp,\n",
+ " try:\n",
+ " if not infix[ifp]:\n",
+ " break;\n",
+ " except:\n",
+ " break\n",
+ " \n",
+ " if bracket:\n",
+ " error = 1\n",
+ " printerror(3,ifp-1)\n",
+ " return infix,suffix,error\n",
+ "def readexpression():\n",
+ " i = 0\n",
+ " print \"The given infix expression is\"\n",
+ " infix = list(raw_input())\n",
+ " infix.append(\")\")\n",
+ " \n",
+ " return infix\n",
+ "\n",
+ "\n",
+ "suffix = [] \n",
+ "error = 0\n",
+ "infix = readexpression()\n",
+ "infix,suffix,error = parse(infix,suffix,error)\n",
+ "if not error:\n",
+ " print \"The suffix form of the given expression is \"\n",
+ " print suffix"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The given infix expression is\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "(a+b)\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1 Error_3_: Mismatched parentehses Column 0\n",
+ "a 2 Error_3_: Mismatched parentehses Column 1\n",
+ "3 Error_3_: Mismatched parentehses Column 2\n",
+ "b 4 Error_3_: Mismatched parentehses Column 3\n",
+ "5 Error_3_: Mismatched parentehses Column 4\n",
+ "6\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 12.10, page no. 472"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "MAX = 50\n",
+ "queue_arr = []\n",
+ "rear = [-1]\n",
+ "front = [-1]\n",
+ "\n",
+ "def add_element():\n",
+ " if (rear[0] == MAX-1):\n",
+ " print \"Queue is full...\"\n",
+ " return\n",
+ " else:\n",
+ " if(front[0] == -1):\n",
+ " front[0] = 0\n",
+ " print \"Enter the new element: \"\n",
+ " added_item = int(raw_input())\n",
+ " rear[0] = rear[0]+1\n",
+ " queue_arr.append(added_item)\n",
+ "\n",
+ "def remove_element():\n",
+ " if(front[0] == -1 or front[0]>rear[0]):\n",
+ " print \"Queue is empty...\"\n",
+ " return\n",
+ " else:\n",
+ " dell = front[0]\n",
+ " print queue_arr[dell], \" is removed from the Queue\"\n",
+ " front[0] = front[0]+1\n",
+ "\n",
+ "def display():\n",
+ " if(front[0] == -1 or front[0]>rear[0]):\n",
+ " print \"Queue is empty...\"\n",
+ " return\n",
+ " else:\n",
+ " print \"Queue is: \"\n",
+ " for i in range(front[0],rear[0]+1):\n",
+ " print queue_arr[i],\n",
+ "\n",
+ "while(1):\n",
+ " print \"\\n1. Insert an element\"\n",
+ " print \"2. Display all the elements of the queue\"\n",
+ " print \"3. Remove elements from the queue\"\n",
+ " print \"4. Exit from the program\"\n",
+ " print \"Enter your choice: \"\n",
+ " choice = raw_input()\n",
+ " if choice == '1':\n",
+ " add_element()\n",
+ " elif choice == '2':\n",
+ " display()\n",
+ " elif choice == '3':\n",
+ " remove_element()\n",
+ " elif choice == '4':\n",
+ " break\n",
+ " else:\n",
+ " print \"Reenter the choice\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1. Insert an element\n",
+ "2. Display all the elements of the queue\n",
+ "3. Remove elements from the queue\n",
+ "4. Exit from the program\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the new element: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "23\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1. Insert an element\n",
+ "2. Display all the elements of the queue\n",
+ "3. Remove elements from the queue\n",
+ "4. Exit from the program\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the new element: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "34\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1. Insert an element\n",
+ "2. Display all the elements of the queue\n",
+ "3. Remove elements from the queue\n",
+ "4. Exit from the program\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the new element: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "45\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1. Insert an element\n",
+ "2. Display all the elements of the queue\n",
+ "3. Remove elements from the queue\n",
+ "4. Exit from the program\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "23 is removed from the Queue\n",
+ "\n",
+ "1. Insert an element\n",
+ "2. Display all the elements of the queue\n",
+ "3. Remove elements from the queue\n",
+ "4. Exit from the program\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "34 is removed from the Queue\n",
+ "\n",
+ "1. Insert an element\n",
+ "2. Display all the elements of the queue\n",
+ "3. Remove elements from the queue\n",
+ "4. Exit from the program\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the new element: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "45\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1. Insert an element\n",
+ "2. Display all the elements of the queue\n",
+ "3. Remove elements from the queue\n",
+ "4. Exit from the program\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Queue is: \n",
+ "45 45 \n",
+ "1. Insert an element\n",
+ "2. Display all the elements of the queue\n",
+ "3. Remove elements from the queue\n",
+ "4. Exit from the program\n",
+ "Enter your choice: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 12.11, page no. 477"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "class node:\n",
+ " def __init__(self, link=None):\n",
+ " self.info = None\n",
+ " self.link = link\n",
+ "\n",
+ "def enqueue(rear):\n",
+ " new_node = node()\n",
+ " print \"Enter the new element: \",\n",
+ " new_node.info = int(raw_input())\n",
+ " new_node.link = None\n",
+ " if (rear != None):\n",
+ " rear.link = new_node\n",
+ " rear = new_node\n",
+ " return rear\n",
+ "\n",
+ "def del_queue(f, r):\n",
+ " if f == None:\n",
+ " print \"The Queue is empty\"\n",
+ " else:\n",
+ " print \"The element removed is: \", f.info\n",
+ " if f != r:\n",
+ " f = f.link\n",
+ " else:\n",
+ " f = None\n",
+ " return f\n",
+ "\n",
+ "def display(fr, re):\n",
+ " if fr == None:\n",
+ " print \"The Queue is empty\"\n",
+ " else:\n",
+ " print \"The queue is: \"\n",
+ " while fr != re:\n",
+ " print fr.info,\n",
+ " fr = fr.link\n",
+ " print fr.info,\n",
+ "\n",
+ "rear = None\n",
+ "front = None\n",
+ "while(1):\n",
+ " print \"\\n1.Insert\"\n",
+ " print \"2.Delete\"\n",
+ " print \"3.Quit\"\n",
+ " print \"Enter choice: \",\n",
+ " choice = int(raw_input())\n",
+ " if choice == 1:\n",
+ " rear = enqueue(rear)\n",
+ " if front == None:\n",
+ " front = rear\n",
+ " elif choice == 2:\n",
+ " front = del_queue(front, rear)\n",
+ " if front == None:\n",
+ " rear = None\n",
+ " elif choice == 3:\n",
+ " break\n",
+ " display(front, rear)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "1.Insert\n",
+ "2.Delete\n",
+ "3.Quit\n",
+ "Enter choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enter the new element: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "23\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " The queue is: \n",
+ "23 \n",
+ "1.Insert\n",
+ "2.Delete\n",
+ "3.Quit\n",
+ "Enter choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enter the new element: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "34\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " The queue is: \n",
+ "23 34 \n",
+ "1.Insert\n",
+ "2.Delete\n",
+ "3.Quit\n",
+ "Enter choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enter the new element: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "45\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " The queue is: \n",
+ "23 34 45 \n",
+ "1.Insert\n",
+ "2.Delete\n",
+ "3.Quit\n",
+ "Enter choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " The element removed is: 23\n",
+ "The queue is: \n",
+ "34 45 \n",
+ "1.Insert\n",
+ "2.Delete\n",
+ "3.Quit\n",
+ "Enter choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " The element removed is: 34\n",
+ "The queue is: \n",
+ "45 \n",
+ "1.Insert\n",
+ "2.Delete\n",
+ "3.Quit\n",
+ "Enter choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " The element removed is: 45\n",
+ "The Queue is empty\n",
+ "\n",
+ "1.Insert\n",
+ "2.Delete\n",
+ "3.Quit\n",
+ "Enter choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " The Queue is empty\n",
+ "The Queue is empty\n",
+ "\n",
+ "1.Insert\n",
+ "2.Delete\n",
+ "3.Quit\n",
+ "Enter choice: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 12.12, page no. 480"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import numpy\n",
+ "\n",
+ "qsize = 50\n",
+ "rear = 0\n",
+ "front = 0\n",
+ "qu = numpy.zeros(50, dtype=numpy.int)\n",
+ "def insert():\n",
+ " global rear\n",
+ " global front\n",
+ " global qsize\n",
+ " if rear == qsize:\n",
+ " rear = 1\n",
+ " else:\n",
+ " rear += 1\n",
+ " if front != rear:\n",
+ " item = int(raw_input(\"Enter item to be inserted: \"))\n",
+ " qu[rear] = item\n",
+ " if front == 0:\n",
+ " front += 1\n",
+ " else:\n",
+ " print \"Overflow\"\n",
+ "def delete():\n",
+ " global front\n",
+ " global rear\n",
+ " global qsize\n",
+ " if front != 0:\n",
+ " item = qu[front]\n",
+ " if front == rear:\n",
+ " front = 0\n",
+ " rear = 0\n",
+ " return item\n",
+ " if front == qsize:\n",
+ " front = 1\n",
+ " else:\n",
+ " front += 1\n",
+ " return item\n",
+ " else:\n",
+ " print \"Underflow\"\n",
+ "def display():\n",
+ " global front\n",
+ " global rear\n",
+ " for i in range(front, rear+1):\n",
+ " print qu[i],\n",
+ "\n",
+ "choice = 0\n",
+ "while(choice != 3):\n",
+ " print \"\\n1 - Insert an element into Cqueue\"\n",
+ " print \"2 - Delete an element into Cqueue\"\n",
+ " print \"3 - Quit\"\n",
+ " choice = int(raw_input())\n",
+ " if choice == 1:\n",
+ " insert()\n",
+ " print \"\\nCqueue after insertion is: \"\n",
+ " display()\n",
+ " elif choice == 2:\n",
+ " item = delete()\n",
+ " print \"Item deleted id: \", item\n",
+ " print \"\\nCqueue after deletion is: \"\n",
+ " display()\n",
+ " else:\n",
+ " break"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n",
+ "1 - Insert an element into Cqueue\n",
+ "2 - Delete an element into Cqueue\n",
+ "3 - Quit\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter item to be inserted: 23\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "Cqueue after insertion is: \n",
+ "23 \n",
+ "1 - Insert an element into Cqueue\n",
+ "2 - Delete an element into Cqueue\n",
+ "3 - Quit\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter item to be inserted: 34\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "Cqueue after insertion is: \n",
+ "23 34 \n",
+ "1 - Insert an element into Cqueue\n",
+ "2 - Delete an element into Cqueue\n",
+ "3 - Quit\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter item to be inserted: 45\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "Cqueue after insertion is: \n",
+ "23 34 45 \n",
+ "1 - Insert an element into Cqueue\n",
+ "2 - Delete an element into Cqueue\n",
+ "3 - Quit\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Item deleted id: 23\n",
+ "\n",
+ "Cqueue after deletion is: \n",
+ "34 45 \n",
+ "1 - Insert an element into Cqueue\n",
+ "2 - Delete an element into Cqueue\n",
+ "3 - Quit\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Item deleted id: 34\n",
+ "\n",
+ "Cqueue after deletion is: \n",
+ "45 \n",
+ "1 - Insert an element into Cqueue\n",
+ "2 - Delete an element into Cqueue\n",
+ "3 - Quit\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Item deleted id: 45\n",
+ "\n",
+ "Cqueue after deletion is: \n",
+ "0 \n",
+ "1 - Insert an element into Cqueue\n",
+ "2 - Delete an element into Cqueue\n",
+ "3 - Quit\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Underflow\n",
+ "Item deleted id: None\n",
+ "\n",
+ "Cqueue after deletion is: \n",
+ "0 \n",
+ "1 - Insert an element into Cqueue\n",
+ "2 - Delete an element into Cqueue\n",
+ "3 - Quit\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ }
+ ],
+ "prompt_number": 22
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exmaple 9.13, page no. 484"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "class node:\n",
+ " data = ''\n",
+ " next = None\n",
+ "class queue:\n",
+ " front = None\n",
+ " nremovals = 0\n",
+ "\n",
+ "class prique:\n",
+ " queues = []\n",
+ " nqueues = 0\n",
+ " npromote = 0\n",
+ "\n",
+ "def add(que, new_node):\n",
+ " new_node.next = 0\n",
+ " if not que.front:\n",
+ " que.front = new_node\n",
+ " else:\n",
+ " cur = que.front\n",
+ " while(cur.next):\n",
+ " cur = cur.next\n",
+ " cur.next = new_node\n",
+ " return que\n",
+ "\n",
+ "def remove_node(que):\n",
+ " removed_node = que.front\n",
+ " if que.front:\n",
+ " que.front = que.front.next\n",
+ " return removed_node\n",
+ "\n",
+ "def priq_add(priq, priority, data):\n",
+ " if priority >= priq.nqueues:\n",
+ " print \"Error: priority number given is invalid!\"\n",
+ " return priq\n",
+ " new_node = node()\n",
+ " new_node.data = data\n",
+ " priq.queues[priority] = add(priq.queues[priority], new_node)\n",
+ " return priq\n",
+ "\n",
+ "def priq_remove(priq, priority):\n",
+ " removed_char = ''\n",
+ " if priority >= priq.nqueues:\n",
+ " print \"Error: priority number given is invalid!\"\n",
+ " return\n",
+ " removed = remove_node(priq.queues[priority])\n",
+ " if not removed:\n",
+ " if priority < priq.nqueues-1:\n",
+ " return priq_remove(priq, priority+1)\n",
+ " else:\n",
+ " return priq, 0\n",
+ " else:\n",
+ " lower_elm = ''\n",
+ " priq.queues[priority].nremovals += 1\n",
+ " if priq.queues[priority].nremovals == priq.npromote:\n",
+ " lower_elm = priq_remove(priq, priority+1)\n",
+ " if lower_elm:\n",
+ " priq_add(priq, priority, lower_elm)\n",
+ " priq.queues[priority].nremovals = 0\n",
+ " removed_char = removed.data\n",
+ " return priq, removed_char\n",
+ "\n",
+ " \n",
+ "def create_priq(nqueues, npromote):\n",
+ " priq = prique()\n",
+ " priq.nqueues = nqueues\n",
+ " for i in range(nqueues):\n",
+ " priq.queues.append(queue())\n",
+ " priq.npromote = npromote\n",
+ " return priq\n",
+ "\n",
+ "def get_option():\n",
+ " print \"\\n1: Insert an element\"\n",
+ " print \"2: Remove an element\"\n",
+ " print \"3: Quit\"\n",
+ " print \"Choose: \"\n",
+ " option = int(raw_input())\n",
+ " return option\n",
+ "\n",
+ "def get_data():\n",
+ " data = raw_input(\"Enter the data: \")\n",
+ " return data\n",
+ "\n",
+ "def get_priority():\n",
+ " priority = int(raw_input(\"Enter the priority: \"))\n",
+ " return priority\n",
+ "\n",
+ "def display_prique(priq):\n",
+ " print \"The priority queue is ...\"\n",
+ " for i in range(priq.nqueues):\n",
+ " que = priq.queues[i]\n",
+ " cur = que.front\n",
+ " print i,\n",
+ " while cur:\n",
+ " print cur.data,\n",
+ " if cur.next:\n",
+ " print \"->\",\n",
+ " cur = cur.next\n",
+ " print \"\"\n",
+ " print \"\"\n",
+ "\n",
+ "print \"No of priority levels: \"\n",
+ "nlevels = int(raw_input())\n",
+ "print \"No of consecutive removls for proirity promotion: \"\n",
+ "nremovals = int(raw_input())\n",
+ "priq = create_priq(nlevels, nremovals)\n",
+ "while True:\n",
+ " option = get_option()\n",
+ " if option == 1:\n",
+ " data = get_data()\n",
+ " priority = get_priority()\n",
+ " priq = priq_add(priq, priority, data)\n",
+ " elif option == 2:\n",
+ " priority = get_priority()\n",
+ " priq, data = priq_remove(priq, priority)\n",
+ " if data == 0:\n",
+ " print \"No elements to remove\"\n",
+ " else:\n",
+ " print data, \" was removed\"\n",
+ " elif option == 3:\n",
+ " break\n",
+ " else:\n",
+ " print \"BYE\"\n",
+ " break\n",
+ " display_prique(priq)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "No of priority levels: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "No of consecutive removls for proirity promotion: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "1: Insert an element\n",
+ "2: Remove an element\n",
+ "3: Quit\n",
+ "Choose: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: q\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the priority: 0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The priority queue is ...\n",
+ "0 q \n",
+ "1 \n",
+ "2 \n",
+ "3 \n",
+ "\n",
+ "\n",
+ "1: Insert an element\n",
+ "2: Remove an element\n",
+ "3: Quit\n",
+ "Choose: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: w\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the priority: 0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The priority queue is ...\n",
+ "0 q -> w \n",
+ "1 \n",
+ "2 \n",
+ "3 \n",
+ "\n",
+ "\n",
+ "1: Insert an element\n",
+ "2: Remove an element\n",
+ "3: Quit\n",
+ "Choose: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: e\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the priority: 0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The priority queue is ...\n",
+ "0 q -> w -> e \n",
+ "1 \n",
+ "2 \n",
+ "3 \n",
+ "\n",
+ "\n",
+ "1: Insert an element\n",
+ "2: Remove an element\n",
+ "3: Quit\n",
+ "Choose: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: r\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the priority: 0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The priority queue is ...\n",
+ "0 q -> w -> e -> r \n",
+ "1 \n",
+ "2 \n",
+ "3 \n",
+ "\n",
+ "\n",
+ "1: Insert an element\n",
+ "2: Remove an element\n",
+ "3: Quit\n",
+ "Choose: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the data: z\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the priority: 1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The priority queue is ...\n",
+ "0 q -> w -> e -> r \n",
+ "1 z \n",
+ "2 \n",
+ "3 \n",
+ "\n",
+ "\n",
+ "1: Insert an element\n",
+ "2: Remove an element\n",
+ "3: Quit\n",
+ "Choose: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the priority: 0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "q was removed\n",
+ "The priority queue is ...\n",
+ "0 w -> e -> r \n",
+ "1 z \n",
+ "2 \n",
+ "3 \n",
+ "\n",
+ "\n",
+ "1: Insert an element\n",
+ "2: Remove an element\n",
+ "3: Quit\n",
+ "Choose: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the priority: 0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "w was removed\n",
+ "The priority queue is ...\n",
+ "0 e -> r \n",
+ "1 z \n",
+ "2 \n",
+ "3 \n",
+ "\n",
+ "\n",
+ "1: Insert an element\n",
+ "2: Remove an element\n",
+ "3: Quit\n",
+ "Choose: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the priority: 2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "No elements to remove\n",
+ "The priority queue is ...\n",
+ "0 e -> r \n",
+ "1 z \n",
+ "2 \n",
+ "3 \n",
+ "\n",
+ "\n",
+ "1: Insert an element\n",
+ "2: Remove an element\n",
+ "3: Quit\n",
+ "Choose: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the priority: 0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "e was removed\n",
+ "The priority queue is ...\n",
+ "0 r \n",
+ "1 z \n",
+ "2 \n",
+ "3 \n",
+ "\n",
+ "\n",
+ "1: Insert an element\n",
+ "2: Remove an element\n",
+ "3: Quit\n",
+ "Choose: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the priority: 0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "r was removed\n",
+ "The priority queue is ...\n",
+ "0 \n",
+ "1 z \n",
+ "2 \n",
+ "3 \n",
+ "\n",
+ "\n",
+ "1: Insert an element\n",
+ "2: Remove an element\n",
+ "3: Quit\n",
+ "Choose: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9.14, page no. 495"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "class Node:\n",
+ " def __init__(self, data):\n",
+ " self.data = data\n",
+ " self.left = None\n",
+ " self.right = None\n",
+ "\n",
+ " def insert(self, data):\n",
+ " if data < self.data:\n",
+ " if self.left is None:\n",
+ " self.left = Node(data)\n",
+ " else:\n",
+ " self.left.insert(data)\n",
+ " elif data > self.data:\n",
+ " if self.right is None:\n",
+ " self.right = Node(data)\n",
+ " else:\n",
+ " self.right.insert(data)\n",
+ "\n",
+ " def inorder(self, tree):\n",
+ " solution = []\n",
+ " def recurse(node):\n",
+ " if not node:\n",
+ " return\n",
+ " recurse(node.left)\n",
+ " solution.append(node.data)\n",
+ " recurse(node.right)\n",
+ " recurse(tree)\n",
+ " return solution\n",
+ " def preorder(self, tree):\n",
+ " solution = []\n",
+ " def recurse(node):\n",
+ " if not node:\n",
+ " return\n",
+ " solution.append(node.data)\n",
+ " recurse(node.left)\n",
+ " recurse(node.right)\n",
+ " recurse(tree)\n",
+ " return solution\n",
+ " def postorder(self, tree):\n",
+ " solution = []\n",
+ " def recurse(node):\n",
+ " if not node:\n",
+ " return\n",
+ " recurse(node.left)\n",
+ " recurse(node.right)\n",
+ " solution.append(node.data)\n",
+ "\n",
+ " recurse(tree)\n",
+ " return solution\n",
+ "\n",
+ "print \"Type numbers, one per line\"\n",
+ "print \"-999 for terminating\"\n",
+ "num = int(raw_input())\n",
+ "tree = Node(num)\n",
+ "while num != -999:\n",
+ " num = int(raw_input())\n",
+ " if num == -999:\n",
+ " break\n",
+ " tree.insert(num)\n",
+ "choice = 0\n",
+ "while choice != 4:\n",
+ " print \"\\nType of TRAVERSAL ?\"\n",
+ " print \"1 - Inorder\"\n",
+ " print \"2 - Preorder\"\n",
+ " print \"3 - Postorder\"\n",
+ " print \"4 - STOP\"\n",
+ " choice = int(raw_input())\n",
+ " if choice == 1:\n",
+ " print \"INORDER traversal: \"\n",
+ " sol = tree.inorder(tree)\n",
+ " for ele in sol:\n",
+ " print ele,\n",
+ " elif choice == 2:\n",
+ " print \"PREORDER traversal: \"\n",
+ " sol = tree.preorder(tree)\n",
+ " for ele in sol:\n",
+ " print ele,\n",
+ " elif choice == 3:\n",
+ " print \"POSTORDER traversal: \"\n",
+ " sol = tree.postorder(tree)\n",
+ " for ele in sol:\n",
+ " print ele,\n",
+ " else:\n",
+ " print \"BYE\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Type numbers, one per line\n",
+ "-999 for terminating\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "10\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-999\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "Type of TRAVERSAL ?\n",
+ "1 - Inorder\n",
+ "2 - Preorder\n",
+ "3 - Postorder\n",
+ "4 - STOP\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "INORDER traversal: \n",
+ "1 2 3 4 5 6 8 9 10 \n",
+ "Type of TRAVERSAL ?\n",
+ "1 - Inorder\n",
+ "2 - Preorder\n",
+ "3 - Postorder\n",
+ "4 - STOP\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "PREORDER traversal: \n",
+ "4 1 3 2 10 9 6 5 8 \n",
+ "Type of TRAVERSAL ?\n",
+ "1 - Inorder\n",
+ "2 - Preorder\n",
+ "3 - Postorder\n",
+ "4 - STOP\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "BYE\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
diff --git a/Mastering_C/chapter15.ipynb b/Mastering_C/chapter15.ipynb
new file mode 100644
index 00000000..cf449021
--- /dev/null
+++ b/Mastering_C/chapter15.ipynb
@@ -0,0 +1,99 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:64bc6ed635ee782424e2a9c6d347d0d839901e22bcfed6521e3f281977a7711d"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "C Library Functions\n"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 15.1 page no : 655"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"ratsdrowninwordstar is a palindrom\"\n",
+ "print \"length of \\\"ratsdrowninwordstar is a palindrom\\\" is\",\n",
+ "Len = len(\"ratsdrowninwordstar\")\n",
+ "print \"%d\"%Len"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "ratsdrowninwordstar is a palindrom\n",
+ "length of \"ratsdrowninwordstar is a palindrom\" is 19\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 15.2 Pageno : 656"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "Num = 123.54\n",
+ "fNum = 0.0\n",
+ "cNum = 0.0\n",
+ "fNum = math.floor(Num)\n",
+ "cNum = math.ceil(Num)\n",
+ "print \"original number %.2lf\"%Num\n",
+ "print \"number rounded down %.lf\"%fNum\n",
+ "print \"number rounded up %.lf\"%cNum"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "original number 123.54\n",
+ "number rounded down 123\n",
+ "number rounded up 124\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [],
+ "language": "python",
+ "metadata": {},
+ "outputs": []
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
diff --git a/Mastering_C/chapter16.ipynb b/Mastering_C/chapter16.ipynb
new file mode 100644
index 00000000..e1edaa97
--- /dev/null
+++ b/Mastering_C/chapter16.ipynb
@@ -0,0 +1,116 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:cdbb2a27d4aeed62bc661e588b07689ef9317248d78908eda6f1423b2cfb2027"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 16: Controlling Complexity"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 16.1, page no. 705"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def cube(i):\n",
+ " return i*i*i\n",
+ "def beep():\n",
+ " print \"\\a\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example mainprog.c, page no. 705"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"The cube of 10 is \", cube(10)\n",
+ "input_int = int(raw_input(\"Input Integer: \"))\n",
+ "if input_int < 1:\n",
+ " beep()\n",
+ " print \"Input is Invalid\"\n",
+ "else:\n",
+ " print \"The cube of %d is %d\" %(input_int, cube(input_int))"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The cube of 10 is 1000\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input Integer: 0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\u0007\n",
+ "Input is Invalid\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example make.c, page no. 709"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def cube(i):\n",
+ " return i*i*i\n",
+ "def beep():\n",
+ " print \"I am going to beep!\"\n",
+ " print \"\\a\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": []
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
diff --git a/Mastering_C/chapter2.ipynb b/Mastering_C/chapter2.ipynb
new file mode 100644
index 00000000..03566b1a
--- /dev/null
+++ b/Mastering_C/chapter2.ipynb
@@ -0,0 +1,981 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:c47c99279bcc1ed930609c37047619e07a7ba5a5f3802de8eeb54d6cf31ebdd4"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 2: Variables and Expressions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example integer.c, page no. 35"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "val = 10\n",
+ "print \"%d\" %val"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "10\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example float.c, page no. 36"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "i_var = 10\n",
+ "f_var = 100.3125\n",
+ "print \"i_var is %d and f_var is %f\" %(i_var, f_var)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "i_var is 10 and f_var is 100.312500\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example decimal.c, page no. 37"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "inp_int = int(raw_input())\n",
+ "print \"The input integer (in decimal) is %u\" %inp_int\n",
+ "print \"The input integer (in hexadecimal) is %x\" %inp_int"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "45\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The input integer (in decimal) is 45\n",
+ "The input integer (in hexadecimal) is 2d\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example scanf.c, page no. 37"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "years = float(raw_input(\"Input your age in years: \"))\n",
+ "secs = years*365*24*60*60\n",
+ "print \"You have lived for %0.1f seconds\" %secs"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input your age in years: 21\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "You have lived for 662256000.0 seconds\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example char.c, page no. 38"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "c = '#'\n",
+ "print \"This is the hash symbol: %s\" %c"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "This is the hash symbol: #\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example ascii.c, page no. 39 "
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "code = int(raw_input(\"Input an ASCII code (0 to 127):\" ))\n",
+ "symbol = chr(code)\n",
+ "print \"The symbol corresponding to %d is %s\" %(code,symbol)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input an ASCII code (0 to 127):75\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The symbol corresponding to 75 is K\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example string.c, page no. 40"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "my_string = \"13 is unlucky.\"\n",
+ "print \"my_string: %s\" %my_string"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "my_string: 13 is unlucky.\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example size.c ,page no. 41"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import sys\n",
+ "print \"Size of a int is %d\" %sys.getsizeof(int)\n",
+ "print \"Size of a long int is %d\" %sys.getsizeof(long)\n",
+ "\n",
+ "#Note: there is no short interger data type in Python\n",
+ "#Answers will differ"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Size of a int is 872\n",
+ "Size of a long int is 872\n"
+ ]
+ }
+ ],
+ "prompt_number": 27
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example inout.c, page no. 42"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "shorti = int(raw_input(\"Input short int: \"))\n",
+ "longi = int(raw_input(\"Input long int: \"))\n",
+ "print \"shorti = %d and longi = %d\" %(shorti, longi)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input short int: 12\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input long int: 200000000\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "shorti = 12 and longi = 200000000\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example beep.c, page no. 47"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"%c\" %('\\x07')\n",
+ "\n",
+ "#note: there won't be any beep in Python"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\u0007\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example tax.c, page no. 49"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "sal = float(raw_input(\"Salary: \"))\n",
+ "tax = sal * 0.3\n",
+ "print \"tax = %.1f\" %tax"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Salary: 200000\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "tax = 60000.0\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example tax1.c, page no. 49"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "tax_rate = 0.3\n",
+ "sal = float(raw_input(\"Salary: \"))\n",
+ "tax = sal * tax_rate\n",
+ "print \"tax = %.1f\" %tax"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Salary: 200000\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "tax = 60000.0\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example const.c, page no. 50"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "tax_rate = 0.3\n",
+ "sal = float(raw_input(\"Salary: \"))\n",
+ "tax = sal * tax_rate\n",
+ "print \"tax = %.1f\" %tax\n",
+ "\n",
+ "#Note: there is no constant data type in Python so the program will remain same as above"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Salary: 200000\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "tax = 60000.0\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example const.c, page no. 50"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "tax_rate = 0.3\n",
+ "sal = float(raw_input(\"Salary: \"))\n",
+ "tax = sal * tax_rate\n",
+ "print \"tax = %.1f\" %tax\n",
+ "\n",
+ "#Note: there is no #define preprocessor in Python so the program will remain same as above"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Salary: 200000\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "tax = 60000.0\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example relation.c, page no. 53"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Input two numbers\"\n",
+ "i = int(raw_input(\"num1: \"))\n",
+ "j = int(raw_input(\"num2: \"))\n",
+ "if (i == j):\n",
+ " print \"They are equal.\"\n",
+ "print \"Got the message?\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input two numbers\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "num1: 34\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "num2: 34\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "They are equal.\n",
+ "Got the message?\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example char.c, page no. 54"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "c = 255\n",
+ "d = -1\n",
+ "if c < 0:\n",
+ " print \"c is less than 0\"\n",
+ "else:\n",
+ " print \"c is not less than 0\"\n",
+ "if d < 0:\n",
+ " print \"d is less than 0\"\n",
+ "else:\n",
+ " print \"d is not less than 0\"\n",
+ " \n",
+ "#the program will not have output as that given in the textbook\n",
+ "#because, there is no concept of char, signed or unsigned values in Python\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "c is not less than 0\n",
+ "d is less than 0\n"
+ ]
+ }
+ ],
+ "prompt_number": 22
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example char8.c, page no. 55"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "c = '255'\n",
+ "d = '-1'\n",
+ "if c < 0:\n",
+ " print \"c is less than 0\"\n",
+ "else:\n",
+ " print \"c is not less than 0\"\n",
+ "if d < 0:\n",
+ " print \"d is less than 0\"\n",
+ "else:\n",
+ " print \"d is not less than 0\"\n",
+ "\n",
+ "#the program will not have output as that given in the textbook\n",
+ "#because, there is no concept of char, signed or unsigned values in Python"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "c is not less than 0\n",
+ "d is not less than 0\n"
+ ]
+ }
+ ],
+ "prompt_number": 23
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example extract.c, page no. 59"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "i = int(raw_input(\"Input an integer: \"))\n",
+ "n = int(raw_input(\"Bit position to extract: \"))\n",
+ "bit = (i >> n)&1\n",
+ "print \"The bit is: %d\" %bit"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input an integer: 10\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Bit position to extract: 1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The bit is: 1\n"
+ ]
+ }
+ ],
+ "prompt_number": 29
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example max.c, page no. 62"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Input two numbers\"\n",
+ "i = int(raw_input(\"num1: \"))\n",
+ "j = int(raw_input(\"num2: \"))\n",
+ "larger = i if i > j else j\n",
+ "print \"The larger of the two is %d\" %larger"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input two numbers\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "num1: 34\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "num2: 45\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The larger of the two is 45\n"
+ ]
+ }
+ ],
+ "prompt_number": 33
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example interest.c, page no. 65"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "p = float(raw_input(\"Principal: \"))\n",
+ "r = float(raw_input(\"Rate: \"))\n",
+ "t = float(raw_input(\"Time: \"))\n",
+ "ncmp_year = float(raw_input(\"Compoundings per year: \"))\n",
+ "simple = p * r * t / 100\n",
+ "cmp_amount = p * pow(1 + r / (ncmp_year * 100), ncmp_year * t)\n",
+ "compound = cmp_amount - p\n",
+ "print \"The simple interest is : %f\" %simple\n",
+ "print \"The compound interest is : %f\" %compound"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Principal: 1000\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Rate: 10\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Time: 2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Compoundings per year: 4\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The simple interest is : 200.000000\n",
+ "The compound interest is : 218.402898\n"
+ ]
+ }
+ ],
+ "prompt_number": 35
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2.10, page no. 66"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "c = float(raw_input(\"Enter temperature in celsius: \"))\n",
+ "f = 1.8 * c + 32\n",
+ "print \"Equivalent fahrenheit = %f\" %f\n",
+ "f = float(raw_input(\"Enter temperature in fahrenheit: \"))\n",
+ "c = (f - 32) / 1.8\n",
+ "print \"Equivalent celsius = %f\" %c\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter temperature in celsius: 10\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Equivalent fahrenheit = 50.000000\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter temperature in fahrenheit: 50\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Equivalent celsius = 10.000000\n"
+ ]
+ }
+ ],
+ "prompt_number": 36
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2.11, page no. 66"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "print \"Enter the 3 sides: \"\n",
+ "a = float(raw_input(\"side1:\"))\n",
+ "b = float(raw_input(\"side2:\"))\n",
+ "c = float(raw_input(\"side3:\"))\n",
+ "peri = a + b + c\n",
+ "s = peri / 2\n",
+ "area = math.sqrt(s * (s - a) * (s - b) * (s - c))\n",
+ "print \"Area of the triangle is %f\" %area"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the 3 sides: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "side1:4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "side2:5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "side3:6\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Area of the triangle is 9.921567\n"
+ ]
+ }
+ ],
+ "prompt_number": 39
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2.12, page no. 67"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "b = float(raw_input(\"Enter the base: \"))\n",
+ "h = float(raw_input(\"Enter the height: \"))\n",
+ "area = b * h / 2\n",
+ "print \"Area of the triangle is %f\" %area"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the base: 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the height: 2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Area of the triangle is 3.000000\n"
+ ]
+ }
+ ],
+ "prompt_number": 40
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
diff --git a/Mastering_C/chapter3.ipynb b/Mastering_C/chapter3.ipynb
new file mode 100644
index 00000000..9d7fda28
--- /dev/null
+++ b/Mastering_C/chapter3.ipynb
@@ -0,0 +1,584 @@
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+ "worksheets": [
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+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 3: Basic Input-Output"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example getchar.c, page no. 79"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "c = raw_input(\"Type one character: \")\n",
+ "print \"The character you typed is: %c\" %c"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Type one character: w\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The character you typed is: w\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example gets.c, page no. 80"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "s = raw_input(\"Type a string (Less than 80 characters):\")\n",
+ "print \"The string typed is: %s\" %s"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Type a string (Less than 80 characters):C Book\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The string typed is: C Book\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.1, page no. 81"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "f_var = 10.12576893\n",
+ "print \"Output 1: %f\" %f_var\n",
+ "print \"Output 2: %20f\" %f_var\n",
+ "print \"Output 3: %-20f\" %f_var\n",
+ "print \"Output 4: %+f\" %f_var\n",
+ "wid_prec = int(raw_input(\"Input the width: \"))\n",
+ "print \"Output 5: %*f\" %(wid_prec,f_var)\n",
+ "print \"Output 6: %.5f\" %f_var\n",
+ "wid_prec = int(raw_input(\"Input the precision: \"))\n",
+ "print \"Output 7: %20.*f\" %(wid_prec,f_var)\n",
+ "print \"Output 8: %-+20.5f\" %(f_var)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Output 1: 10.125769\n",
+ "Output 2: 10.125769\n",
+ "Output 3: 10.125769 \n",
+ "Output 4: +10.125769\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input the width: 13\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Output 5: 10.125769\n",
+ "Output 6: 10.12577\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input the precision: 8\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Output 7: 10.12576893\n",
+ "Output 8: +10.12577 \n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example scanf1.c, page no. 84"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Input an integer followed by a floating-point number:\"\n",
+ "int_var = int(raw_input(\"integer:\"))\n",
+ "float_var=float(raw_input(\"float:\"))\n",
+ "print \"The Integer: %d\" %int_var\n",
+ "print \"The floating-point number: %f\" %float_var"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input an integer followed by a floating-point number:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "integer:34\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "float:56.57\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The Integer: 34\n",
+ "The floating-point number: 56.570000\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example scanf2.c, page no. 85"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#counting the inputs from user using raw_input() is not possible in Python. Hence, skipping the example"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example scanf3.c, page no. 86"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Input the day, followed by the date (dd-mm-yyyy):\"\n",
+ "day = raw_input(\"day:\")\n",
+ "date = int(raw_input(\"date:\"))\n",
+ "month = int(raw_input(\"month:\"))\n",
+ "year = int(raw_input(\"year:\"))\n",
+ "print \"Day: %s\" %day\n",
+ "print \"Date: %s\" %date\n",
+ "print \"Month: %s\" %month\n",
+ "print \"Year: %s\" %year"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input the day, followed by the date (dd-mm-yyyy):\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "day:Sunday\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "date:27\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "month:1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "year:1974\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Day: Sunday\n",
+ "Date: 27\n",
+ "Month: 1\n",
+ "Year: 1974\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example scanf4.c, page no. 87"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Enter two strings: \"\n",
+ "string1 = raw_input(\"string1:\")\n",
+ "string2 = raw_input(\"string2:\")\n",
+ "print \"You have input:\"\n",
+ "print string1\n",
+ "print string2"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter two strings: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "string1:Hello\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "string2:world\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "You have input:\n",
+ "Hello\n",
+ "world\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example scanf5.c, page no. 88"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#getting input from user the way it is given in textbook is not possible in Python.\n",
+ "#Hence, output will be different compared to textbook.\n",
+ "\n",
+ "print \"Input two string: \"\n",
+ "string1 = raw_input(\"String 1: \")\n",
+ "string2 = raw_input(\"String 2: \")\n",
+ "\n",
+ "print \"The two strings are: %4s\" %string1\n",
+ "print \"The two strings are: %5s\" %string2"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input two string: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "String 1: Morning\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "String 2: Comes\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The two strings are: Morning\n",
+ "The two strings are: Comes\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example scanf6.c, page no. 89"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Input the date:\"\n",
+ "date = int(raw_input(\"date:\"))\n",
+ "separator1 = raw_input(\"separator:\")\n",
+ "month = int(raw_input(\"month:\"))\n",
+ "separator2 = raw_input(\"separator:\")\n",
+ "year = int(raw_input(\"year:\"))\n",
+ "print \"Date: %d\" %date\n",
+ "print \"Month: %d\" %month\n",
+ "print \"Year: %d\" %year"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input the date:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "date:31\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "separator:-\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "month:12\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "separator:/\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "year:1999\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Date: 31\n",
+ "Month: 12\n",
+ "Year: 1999\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example scanf7.c, page no. 90"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Input the date:\"\n",
+ "date = int(raw_input(\"date:\"))\n",
+ "month = int(raw_input(\"month:\"))\n",
+ "year = int(raw_input(\"year:\"))\n",
+ "print \"Date: %d\" %date\n",
+ "print \"Month: %d\" %month\n",
+ "print \"Year: %d\" %year"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input the date:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "date:31\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "month:12\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "year:1999\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Date: 31\n",
+ "Month: 12\n",
+ "Year: 1999\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
diff --git a/Mastering_C/chapter4.ipynb b/Mastering_C/chapter4.ipynb
new file mode 100644
index 00000000..fdd2c8c4
--- /dev/null
+++ b/Mastering_C/chapter4.ipynb
@@ -0,0 +1,1567 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:afd37f358b4faba0dd82fd8fdf176be8389b2a27c7cdec9882b3da534d4a3ec8"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 4: Control Structures"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example if1.c, page no. 101"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "i = int(raw_input(\"Enter a number: \")) \n",
+ "if i % 3 == 0 :\n",
+ " print \"Number entered is divisible by 3.\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter a number: 30\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Number entered is divisible by 3.\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example scanf8.c, page no. 102"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#The output in the textbok is 0.000000 because it was not able to convert string to float in C\n",
+ "#Hence, by default it stored 0.0000000. In Python the same would give error. Hence, the answer differs\n",
+ "\n",
+ "years = float(raw_input(\"Input your age in years: \"))\n",
+ "secs = years * 365 * 24 * 60 * 60\n",
+ "print \"You have livid for %f seconds \" %secs"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input your age in years: 25\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "You have livid for 788400000.000000 seconds \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example if2.c, page no. 102"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#the way it is given in textbook is not possible in Python. Doing it in different manner\n",
+ "\n",
+ "print \"Input your age in years: \",\n",
+ "years =(raw_input())\n",
+ "try:\n",
+ " float(years)\n",
+ " secs = float(years) * 365 * 24 * 60 * 60\n",
+ " print \"you have lived for %f seconds\" %secs\n",
+ "except:\n",
+ " print \"the input is not a floating-point number\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input your age in years: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "75\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " you have lived for 2365200000.000000 seconds\n"
+ ]
+ }
+ ],
+ "prompt_number": 20
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example if3.c, page no. 103"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#the program will remain same as the previous one\n",
+ "\n",
+ "print \"Input your age in years: \",\n",
+ "years =(raw_input())\n",
+ "try:\n",
+ " float(years)\n",
+ " secs = float(years) * 365 * 24 * 60 * 60\n",
+ " print \"you have lived for %f seconds\" %secs\n",
+ "except:\n",
+ " print \"the input is not a floating-point number\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input your age in years: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "sundeep\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " the input is not a floating-point number\n"
+ ]
+ }
+ ],
+ "prompt_number": 21
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example large.c, page no. 105"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Input a b c\"\n",
+ "a = float(raw_input(\"a=\"))\n",
+ "b = float(raw_input(\"b=\"))\n",
+ "c = float(raw_input(\"c=\"))\n",
+ "big = a\n",
+ "if b>big :\n",
+ " big = b\n",
+ "if c>big :\n",
+ " big = c\n",
+ "print \"Largest of the three numbers = %7.2f\" %big"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input a b c\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a=10\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "b=20\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "c=45\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Largest of the three numbers = 45.00\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example ifelse1.c, page no. 105"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#the program will remain same as the previous one\n",
+ "\n",
+ "print \"Input your age in years: \",\n",
+ "years =(raw_input())\n",
+ "try:\n",
+ " float(years)\n",
+ " secs = float(years) * 365 * 24 * 60 * 60\n",
+ " print \"you have lived for %f seconds\" %secs\n",
+ "except:\n",
+ " print \"the input is not a floating-point number\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input your age in years: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "100\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " you have lived for 3153600000.000000 seconds\n"
+ ]
+ }
+ ],
+ "prompt_number": 22
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example ifelse2.c, page no. 107"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "input1 = int(raw_input(\"Input an integer: \"))\n",
+ "if input1 :\n",
+ " print \"It is non-zero.\"\n",
+ "else :\n",
+ " print \"it is zero.\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input an integer: 12\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "It is non-zero.\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example scope.c, page no. 112"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#The block given in the textbook is not possible in Python. Here the value will remain the same.\n",
+ "\n",
+ "i = 10\n",
+ "print \"In main. i is %d \" %i\n",
+ "i = 20\n",
+ "print \"In compound statement. i is %d\" %i\n",
+ "i = i+1\n",
+ "print \"After incrementing: i is %d\" %i\n",
+ "print \"In main again. i is %d\" %i"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "In main. i is 10 \n",
+ "In compound statement. i is 20\n",
+ "After incrementing: i is 21\n",
+ "In main again. i is 21\n"
+ ]
+ }
+ ],
+ "prompt_number": 23
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example for.c, page no. 113"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "for i in range(1, 11):\n",
+ " print i*5,"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5 10 15 20 25 30 35 40 45 50\n"
+ ]
+ }
+ ],
+ "prompt_number": 26
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example sumsq1.c, page no. 115"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "sum = 0\n",
+ "sum_of_squares = 0\n",
+ "for i in range(2, 31, 2):\n",
+ " sum += i\n",
+ " sum_of_squares += i*i\n",
+ "print \"Sum of first 15 positive even numbers = \", sum\n",
+ "print \"Sum of their squares = \", sum_of_squares"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Sum of first 15 positive even numbers = 240\n",
+ "Sum of their squares = 4960\n"
+ ]
+ }
+ ],
+ "prompt_number": 27
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example sumsq2.c, page no. 116"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "sum = 0\n",
+ "sum_of_squares = 0\n",
+ "for i in range(30, 1, -2):\n",
+ " sum += i\n",
+ " sum_of_squares += i*i\n",
+ "print \"Sum of first 15 positive even numbers = \", sum\n",
+ "print \"Sum of their squares = \", sum_of_squares"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Sum of first 15 positive even numbers = 240\n",
+ "Sum of their squares = 4960\n"
+ ]
+ }
+ ],
+ "prompt_number": 29
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example for2.c, page no. 116"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "for i in range(1, 11):\n",
+ " print 5*i,"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5 10 15 20 25 30 35 40 45 50\n"
+ ]
+ }
+ ],
+ "prompt_number": 30
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.1, page no. 117"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#error in textbook, i should be initialized by 1\n",
+ "\n",
+ "sign = 1\n",
+ "print \"Input X and N: \"\n",
+ "x = float(raw_input(\"X: \"))\n",
+ "n = int(raw_input(\"N: \"))\n",
+ "x *= 3.1412/180.0\n",
+ "sum, t = x, x\n",
+ "for i in range(1, n):\n",
+ " sign *=-1\n",
+ " t = sign * x * x / (2*i*(2*i+1))\n",
+ " sum += t\n",
+ "print \"SIN(X) = %6.2f\" %sum"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input X and N: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "X: 60\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "N: 12\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "SIN(X) = 0.90\n"
+ ]
+ }
+ ],
+ "prompt_number": 33
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.2, page no. 118"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "num = 0\n",
+ "sum = 0\n",
+ "print \"Input the marks, -1 at the end\"\n",
+ "i = int(raw_input())\n",
+ "while i != -1:\n",
+ " sum += i\n",
+ " num += 1\n",
+ " i = int(raw_input())\n",
+ "average = sum / num\n",
+ "print \"The average is %.2f\" %average"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input the marks, -1 at the end\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "12\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "14\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "16\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "18\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The average is 15.00\n"
+ ]
+ }
+ ],
+ "prompt_number": 34
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example binary.c, page no. 120"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "binary = raw_input(\"Input the binary number: \")\n",
+ "decimal = int(binary, 2)\n",
+ "print \"The decimal equivalent of binary number %s is %d\" %(binary, decimal)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input the binary number: 1101\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The decimal equivalent of binary number 1101 is 13\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example dowhile.c, page no. 122"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#there is no do while loop in Python. We will use simple while loop\n",
+ "inchar = ''\n",
+ "while(inchar != 'y' and inchar != 'n'):\n",
+ " inchar = raw_input(\"Input y or n: \")\n",
+ "if inchar == 'y':\n",
+ " print \"you pressed y.\"\n",
+ "if inchar == 'n':\n",
+ " print \"you pressed n\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input y or n: j\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input y or n: j\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input y or n: n\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "you pressed n\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.4, page no. 123"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "num = int(raw_input(\"Input the number: \"))\n",
+ "n = num\n",
+ "sum = 0\n",
+ "rev = 0\n",
+ "while(num != 0):\n",
+ " digit = num % 10\n",
+ " sum += digit\n",
+ " rev = rev * 10 + digit\n",
+ " num /= 10\n",
+ "print \"Sum of the digits of the number = %4d\" %sum\n",
+ "print \"Reverse of the number = %7d\" %rev\n",
+ "if n == rev:\n",
+ " print \"The number is a palindrome\"\n",
+ "else:\n",
+ " print \"The number is not a palindrome\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input the number: 1221\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Sum of the digits of the number = 6\n",
+ "Reverse of the number = 1221\n",
+ "The number is a palindrome\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example iflese.c, page no. 127"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "print \"Choice of destinations: \"\n",
+ "print \"\\t1 - Mercury\"\n",
+ "print \"\\t2 - Venus\"\n",
+ "print \"\\t3 - Mars\"\n",
+ "choice = int(raw_input(\"Enter the number corresponding to your choice: \"))\n",
+ "if choice == 1:\n",
+ " print \"Mercury is closest to the sun.\"\n",
+ " print \"So the weather may be quite hot there.\"\n",
+ " print \"The journey will cost you 5200 IGCs.\"\n",
+ "elif choice == 2:\n",
+ " print \"Venus is the second planet from the sun.\"\n",
+ " print \"The weather may be hot and poisonous.\"\n",
+ " print \"The journey will cost you 3200 IGCs.\"\n",
+ "elif choice == 3:\n",
+ " print \"Mars is the closest planet to the earth.\"\n",
+ " print \"The weather has been excellent till now.\"\n",
+ " print \"The journey will cost you 1200 IGCs.\"\n",
+ "else:\n",
+ " \"Unknown destination. Unpredictable IGCs\"\n",
+ "print \"Note: IGC = Ingeer-Galactic Currency\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Choice of destinations: \n",
+ "\t1 - Mercury\n",
+ "\t2 - Venus\n",
+ "\t3 - Mars\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the number corresponding to your choice: 2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Venus is the second planet from the sun.\n",
+ "The weather may be hot and poisonous.\n",
+ "The journey will cost you 3200 IGCs.\n",
+ "Note: IGC = Ingeer-Galactic Currency\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.5, page no. 128"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#there is no switch case in Python, hence, no use of break in if conditions. So, the program will remain same\n",
+ "\n",
+ "print \"Choice of destinations: \"\n",
+ "print \"\\t1 - Mercury\"\n",
+ "print \"\\t2 - Venus\"\n",
+ "print \"\\t3 - Mars\"\n",
+ "choice = int(raw_input(\"Enter the number corresponding to your choice: \"))\n",
+ "if choice == 1:\n",
+ " print \"Mercury is closest to the sun.\"\n",
+ " print \"So the weather may be quite hot there.\"\n",
+ " print \"The journey will cost you 5200 IGCs.\"\n",
+ "elif choice == 2:\n",
+ " print \"Venus is the second planet from the sun.\"\n",
+ " print \"The weather may be hot and poisonous.\"\n",
+ " print \"The journey will cost you 3200 IGCs.\"\n",
+ "elif choice == 3:\n",
+ " print \"Mars is the closest planet to the earth.\"\n",
+ " print \"The weather has been excellent till now.\"\n",
+ " print \"The journey will cost you 1200 IGCs.\"\n",
+ "else:\n",
+ " \"Unknown destination. Unpredictable IGCs\"\n",
+ "print \"Note: IGC = Ingeer-Galactic Currency\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Choice of destinations: \n",
+ "\t1 - Mercury\n",
+ "\t2 - Venus\n",
+ "\t3 - Mars\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the number corresponding to your choice: 3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Mars is the closest planet to the earth.\n",
+ "The weather has been excellent till now.\n",
+ "The journey will cost you 1200 IGCs.\n",
+ "Note: IGC = Ingeer-Galactic Currency\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.6, page no. 130"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Input a b & c\"\n",
+ "a = float(raw_input(\"a: \"))\n",
+ "b = float(raw_input(\"b: \"))\n",
+ "c = float(raw_input(\"c: \"))\n",
+ "if a != 0:\n",
+ " disc = b * b - 4 * a * c\n",
+ " print \"Discriminant = %5.2f\" %disc\n",
+ " if disc < 0:\n",
+ " k = 1\n",
+ " elif disc == 0:\n",
+ " k = 2\n",
+ " elif disc > 0:\n",
+ " k = 3\n",
+ " if k == 1:\n",
+ " print \"Roots are imaginary\"\n",
+ " real = -b/(2*a)\n",
+ " disc = -disc\n",
+ " num = pow(disc, 0.5)\n",
+ " imag = num/(2*a)\n",
+ " print \"Root1 = %5.2f +j %5.2f\" %(real, imag)\n",
+ " print \"Root2 = %5.2f -j %5.2f\" %(real, imag)\n",
+ " elif k == 2:\n",
+ " print \"Roots are real equal\"\n",
+ " root1 = -b/(2*a)\n",
+ " print \"Root1 = Root2 = %7.2f\" %root1\n",
+ " elif k == 3:\n",
+ " print \"Roots are real and unequal\"\n",
+ " root1 = (-b + sqrt(disc))/(2*a)\n",
+ " root2 = (-b - sqrt(disc))/(2*a)\n",
+ " print \"Root1 = %7.2f Root2 = %7.2f\" %(root1, root2)\n",
+ "else:\n",
+ " print \"Equation is linear\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input a b & c\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a: 1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "b: 2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "c: 7\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Discriminant = -24.00\n",
+ "Roots are imaginary\n",
+ "Root1 = -1.00 +j 2.45\n",
+ "Root2 = -1.00 -j 2.45\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.7, page no. 132"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "sum = 0\n",
+ "for i in range(5):\n",
+ " num = int(raw_input(\"Enter an integer: \"))\n",
+ " if num < 0:\n",
+ " print \"You have entered a negative number\"\n",
+ " continue\n",
+ " sum += num\n",
+ "print \"The sum of positive integers entered = \", sum"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter an integer: 10\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter an integer: -15\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "You have entered a negative number\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter an integer: 15\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter an integer: -100\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "You have entered a negative number\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter an integer: 30\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The sum of positive integers entered = 55\n"
+ ]
+ }
+ ],
+ "prompt_number": 28
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.8, page no. 133"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Input X & N\"\n",
+ "x = float(raw_input(\"X: \"))\n",
+ "n = int(raw_input(\"N: \"))\n",
+ "t = 1\n",
+ "sum = 1\n",
+ "for i in range(1, n):\n",
+ " ifact = i\n",
+ " t = t*x/ifact\n",
+ " sum +=t\n",
+ "print \"E raies to power x = %10.4f\" %sum"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input X & N\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "X: 1.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "N: 2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "E raies to power x = 2.0000\n"
+ ]
+ }
+ ],
+ "prompt_number": 31
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.9, page no. 134"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "n = int(raw_input(\"Enter the number: \"))\n",
+ "if n == 0:\n",
+ " print \"The factorial of 0 is 1\"\n",
+ "else:\n",
+ " fact = 1\n",
+ " for i in range(1, n+1):\n",
+ " fact = fact * i\n",
+ " print \"Factorial of %4d is %5d\" %(n, fact)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the number: 5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Factorial of 5 is 120\n"
+ ]
+ }
+ ],
+ "prompt_number": 33
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.10, page no. 135"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "binom = 1\n",
+ "q = 0\n",
+ "p = int(raw_input(\"Input the number of rows: \"))\n",
+ "print \"Pascal Triangle\"\n",
+ "while q < p:\n",
+ " for r in range(40-3*q, 0, -1):\n",
+ " print \" \",\n",
+ " for x in range(0, q+1):\n",
+ " if x == 0 or q == 0:\n",
+ " binom = 1\n",
+ " else:\n",
+ " binom = (binom*(q-x+1))/x\n",
+ " print \"%6d\" %binom,\n",
+ " print \"\\n\"\n",
+ " q+=1"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input the number of rows: 9\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Pascal Triangle\n",
+ " 1 \n",
+ "\n",
+ " 1 1 \n",
+ "\n",
+ " 1 2 1 \n",
+ "\n",
+ " 1 3 3 1 \n",
+ "\n",
+ " 1 4 6 4 1 \n",
+ "\n",
+ " 1 5 10 10 5 1 \n",
+ "\n",
+ " 1 6 15 20 15 6 1 \n",
+ "\n",
+ " 1 7 21 35 35 21 7 1 \n",
+ "\n",
+ " 1 8 28 56 70 56 28 8 1 \n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.11, page no. 136"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "\n",
+ "print \"Enter 1 for triangle(3 sides) & 2 for triangle(base, ht): \",\n",
+ "k = int(raw_input())\n",
+ "if k == 1:\n",
+ " print \"Enter 3 sides - a,b and c\"\n",
+ " a = float(raw_input(\"a: \"))\n",
+ " b = float(raw_input(\"b: \"))\n",
+ " c = float(raw_input(\"c: \"))\n",
+ " p = a + b + c\n",
+ " s = (a + b + c)/2\n",
+ " area = math.sqrt(s*(s-a)*(s-b)*(s-c))\n",
+ " print \"Perimeter = %6.2f\" %p\n",
+ " print \"Area of triangle = %7.2f\" %area\n",
+ "elif k == 2:\n",
+ " print \"Enter height and base\"\n",
+ " height = float(raw_input(\"height: \"))\n",
+ " base = float(raw_input(\"base: \"))\n",
+ " area = (base*height)/2\n",
+ " print \"Area of triangle = %7.2f\" %area"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter 1 for triangle(3 sides) & 2 for triangle(base, ht): "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enter 3 sides - a,b and c\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a: 4.55\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "b: 5.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "c: 6.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Perimeter = 15.55\n",
+ "Area of triangle = 11.11\n"
+ ]
+ }
+ ],
+ "prompt_number": 47
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.12, page no. 137"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import sys\n",
+ "print \"Enter the no of lines in the pyramid: \"\n",
+ "t = int(raw_input())\n",
+ "print \"\\t\\tREVERSED PYRAMID OF DIGITS\"\n",
+ "k = 0\n",
+ "for p in range(t, 0, -1):\n",
+ " k += 1\n",
+ " sys.stdout.write (\" \")\n",
+ " for r in range(0, (k*4)+1):\n",
+ " sys.stdout.write (\" \")\n",
+ " for q in range(p, (2*p)-1): \n",
+ " sys.stdout.write (\"%4d\" %q)\n",
+ " for s in range((2*p)-2, p-1, -1):\n",
+ " sys.stdout.write(\"%4d\\b\" %s)\n",
+ " sys.stdout.write (\"\\n\")\n",
+ "print \" %d\" %p\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the no of lines in the pyramid: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\t\tREVERSED PYRAMID OF DIGITS\n",
+ " 7 8 9 10 11 12 12\b 11\b 10\b 9\b 8\b 7\b\n",
+ " 6 7 8 9 10 10\b 9\b 8\b 7\b 6\b\n",
+ " 5 6 7 8 8\b 7\b 6\b 5\b\n",
+ " 4 5 6 6\b 5\b 4\b\n",
+ " 3 4 4\b 3\b\n",
+ " 2 2\b\n",
+ " \n",
+ " 1\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.13, page no. 137"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "\n",
+ "n = 20\n",
+ "x = float(raw_input(\"Input x: \"))\n",
+ "x = x*3.1412/180\n",
+ "t = 1\n",
+ "sum = 1\n",
+ "for i in range(1, n+1):\n",
+ " t = t*pow(-1, (2*i-1))*x*x/(2*i*(2*i-1))\n",
+ " sum += t\n",
+ "print \"COS(X) = %7.3f\" %sum"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input x: 90.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "COS(X) = 0.000\n"
+ ]
+ }
+ ],
+ "prompt_number": 62
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.14, page no. 138"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "n = int(raw_input(\"Enter the number of lines: \"))\n",
+ "for p in range(1, n+1):\n",
+ " for i in range(1, n-p):\n",
+ " print \" \",\n",
+ " m = p\n",
+ " for q in range(1, p+1):\n",
+ " print \"%4d\" %m,\n",
+ " m +=1\n",
+ " m = m - 2\n",
+ " for q in range(1, p):\n",
+ " print \"%4d\" %m,\n",
+ " m-=1\n",
+ " print \"\\n\\n\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the number of lines: 7\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " 1 \n",
+ "\n",
+ "\n",
+ " 2 3 2 \n",
+ "\n",
+ "\n",
+ " 3 4 5 4 3 \n",
+ "\n",
+ "\n",
+ " 4 5 6 7 6 5 4 \n",
+ "\n",
+ "\n",
+ " 5 6 7 8 9 8 7 6 5 \n",
+ "\n",
+ "\n",
+ " 6 7 8 9 10 11 10 9 8 7 6 \n",
+ "\n",
+ "\n",
+ " 7 8 9 10 11 12 13 12 11 10 9 8 7 \n",
+ "\n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 67
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
diff --git a/Mastering_C/chapter5.ipynb b/Mastering_C/chapter5.ipynb
new file mode 100644
index 00000000..277c10b6
--- /dev/null
+++ b/Mastering_C/chapter5.ipynb
@@ -0,0 +1,1515 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:ce6594f5391167e50e92652dc99b5d59ded886787329ad2d8f4011e41b7e20c7"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 5: Functions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example main.c, page no. 157"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Welcome to functions\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Welcome to functions\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example prtmsg2.c, page no. 158"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def PrintMesg():\n",
+ " print \"PrintMesg, Welcome to functions\"\n",
+ "print \"Main, Welcome to functions\"\n",
+ "PrintMesg()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Main, Welcome to functions\n",
+ "PrintMesg, Welcome to functions\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.1, page no. 160"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def cube(i):\n",
+ " return i*i*i\n",
+ "print \"The ccube of 10 is\", cube(10)\n",
+ "input_int = int(raw_input(\"Input an integer: \"))\n",
+ "print \"The cube of \", input_int, \"is \", cube(input_int)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The ccube of 10 is 1000\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input an integer: 20\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The cube of 20 is 8000\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.2, page no. 161"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#there is no concept of function declaration in Python, program will remain same as above\n",
+ "def cube(i):\n",
+ " return i*i*i\n",
+ "print \"The cube of 10 is\", cube(10)\n",
+ "input_int = int(raw_input(\"Input an integer: \"))\n",
+ "print \"The cube of \", input_int, \"is \", cube(input_int)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The cube of 10 is 1000\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input an integer: 20\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The cube of 20 is 8000\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.3, page no. 163"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#\\a for the beed would not work in Python\n",
+ "\n",
+ "def cube(i):\n",
+ " return i*i*i\n",
+ "print \"The cube of 10 is\", cube(10)\n",
+ "input_int = int(raw_input(\"Input an integer: \"))\n",
+ "if input_int < 1:\n",
+ " print \"Input is invalid!\"\n",
+ "else:\n",
+ " print \"The cube of \", input_int, \"is \", cube(input_int)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The cube of 10 is 1000\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input an integer: -9\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input is invalid!\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.4, page no. 164"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#there is no concept of function declaration in Python. So, the program will remain same as above\n",
+ "\n",
+ "def cube(i):\n",
+ " return i*i*i\n",
+ "print \"The cube of 10 is\", cube(10)\n",
+ "input_int = int(raw_input(\"Input an integer: \"))\n",
+ "if input_int < 1:\n",
+ " print \"Input is invalid!\"\n",
+ "else:\n",
+ " print \"The cube of \", input_int, \"is \", cube(input_int)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The cube of 10 is 1000\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input an integer: 20\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The cube of 20 is 8000\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7, page no. 165"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def maxfunc(i, j , k):\n",
+ " if i >= j and i >= k:\n",
+ " max = i\n",
+ " elif j >=k :\n",
+ " max = j\n",
+ " else:\n",
+ " max = k\n",
+ " return max\n",
+ "print \"Input 3 numbers\"\n",
+ "a = int(raw_input(\"a: \"))\n",
+ "b = int(raw_input(\"b: \"))\n",
+ "c = int(raw_input(\"c: \"))\n",
+ "m = maxfunc(a, b, c)\n",
+ "print \"The maximum is \", m"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input 3 numbers\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a: 4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "b: 6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "c: 5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The maximum is 6\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example funded.c, page no. 168"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def max(a, b):\n",
+ " return a if a > b else b\n",
+ "print \"Enter 2 numbers\"\n",
+ "i = int(raw_input(\"i: \"))\n",
+ "j = int(raw_input(\"j: \"))\n",
+ "iMax = max(i,j)\n",
+ "print \"The maximum of %d and %d is %d\" %(i, j, iMax)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter 2 numbers\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "i: 5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "j: 7\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The maximum of 5 and 7 is 7\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example square1.c, page no. 169"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def SquareInt(x):\n",
+ " return x**2\n",
+ "Sq = SquareInt(32)\n",
+ "print \"The square of 32 is\", Sq"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The square of 32 is 1024\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.5, page no. 170"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def Min(m, n):\n",
+ " if m > n:\n",
+ " MinNum = n\n",
+ " else:\n",
+ " MinNum = m\n",
+ " return MinNum\n",
+ "print \"Enter 2 numbers\"\n",
+ "a = int(raw_input(\"a: \"))\n",
+ "b = int(raw_input(\"b: \"))\n",
+ "Small = Min(a,b)\n",
+ "print \"The minimum of 2 numbers is \", Small\n",
+ "print \"The minimum of 2 numbers is \", Min(a,b)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter 2 numbers\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a: 32567\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "b: 32657\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The minimum of 2 numbers is 32567\n",
+ "The minimum of 2 numbers is 32567\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example pval.c, page no. 171"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def ModifierFunc(Num):\n",
+ " print \"In function, the value of Num is %d\" %Num\n",
+ " Num = 19\n",
+ " print \"In function, after changing, value of Num is: %d\" %Num\n",
+ "Num = 100\n",
+ "print \"In Main, the value of num is %d\" %Num\n",
+ "ModifierFunc(Num)\n",
+ "print \"After calling function, the value of Num is %d\" %Num"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "In Main, the value of num is 100\n",
+ "In function, the value of Num is 100\n",
+ "In function, after changing, value of Num is: 19\n",
+ "After calling function, the value of Num is 100\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example swap1.c, page no. 172"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def swap(a, b):\n",
+ " temp = a\n",
+ " a = b\n",
+ " b = temp\n",
+ "print \"Input 2 integers\"\n",
+ "i = int(raw_input(\"i: \"))\n",
+ "j = int(raw_input(\"j: \"))\n",
+ "print \"Before Swapping: \", i, j\n",
+ "swap(i, j)\n",
+ "print \"After Swapping: \", i , j"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input 2 integers\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "i: 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "j: 5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Before Swapping: 3 5\n",
+ "After Swapping: 3 5\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example swap2.c, page no. 173"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def swap(l):\n",
+ " temp = l[0]\n",
+ " l[0] = l[1]\n",
+ " l[1] = temp\n",
+ " return l\n",
+ "print \"Input 2 integers\"\n",
+ "i = int(raw_input(\"i: \"))\n",
+ "j = int(raw_input(\"j: \"))\n",
+ "print \"Before Swapping: \", i, j\n",
+ "a = [i, j]\n",
+ "l = swap(a)\n",
+ "print \"After Swapping: \", l[0] , l[1]"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input 2 integers\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "i: 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "j: 5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Before Swapping: 3 5\n",
+ "After Swapping: 5 3\n"
+ ]
+ }
+ ],
+ "prompt_number": 17
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.6, page no. 174"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def fact(n):\n",
+ " if n == 0:\n",
+ " lfact = 1\n",
+ " else:\n",
+ " lfact = 1\n",
+ " for i in range(2, n+1):\n",
+ " lfact = lfact * i\n",
+ " return lfact\n",
+ "num = int(raw_input(\"Enter a positive number: \"))\n",
+ "factorial = fact(num)\n",
+ "print \"The factorial of %d is %d\" %(num, factorial)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter a positive number: 5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The factorial of 5 is 120\n"
+ ]
+ }
+ ],
+ "prompt_number": 18
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.7, page no. 174"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def SumTwo(n1, n2):\n",
+ " return n1+n2\n",
+ "def SumThree(n1, n2, n3):\n",
+ " return n1+n2+n3\n",
+ "i = 56\n",
+ "j = 32\n",
+ "SumTwo(3, 4)\n",
+ "SumTwo(i, j), SumThree(100, i, j)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "metadata": {},
+ "output_type": "pyout",
+ "prompt_number": 19,
+ "text": [
+ "(88, 188)"
+ ]
+ }
+ ],
+ "prompt_number": 19
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.8, page no. 175"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#mistake in the book, it should print both 0 & 1 at the start instead of just 0\n",
+ "\n",
+ "def Fib(TotNum):\n",
+ " fLast = 1\n",
+ " sLast = 0\n",
+ " print \"Fibonacci numbers: \"\n",
+ " print \"0 1\",\n",
+ " while(TotNum > 2):\n",
+ " CurNum = fLast + sLast\n",
+ " print CurNum,\n",
+ " sLast = fLast\n",
+ " fLast = CurNum\n",
+ " TotNum -= 1\n",
+ "print \"Program to generate fibonacci numbers\"\n",
+ "print \"Enter the total numbers to be generated: \",\n",
+ "n = int(raw_input())\n",
+ "Fib(n)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Program to generate fibonacci numbers\n",
+ "Enter the total numbers to be generated: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Fibonacci numbers: \n",
+ "0 1 1 2 3\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.9, page no. 176"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def Sum20():\n",
+ " sum = 0\n",
+ " for i in range(1, 21):\n",
+ " sum += i\n",
+ " return sum\n",
+ "print \"Program to print the sum of first 20 numbers\"\n",
+ "print \"The sum of first 20 number is \", Sum20()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Program to print the sum of first 20 numbers\n",
+ "The sum of first 20 number is 210\n"
+ ]
+ }
+ ],
+ "prompt_number": 29
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.10, page no. 176"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def isPalindrome(string):\n",
+ " len1 = len(string)\n",
+ " if len1 == 0:\n",
+ " return True\n",
+ " if string==string[::-1]:\n",
+ " return True\n",
+ " return False\n",
+ "\n",
+ "print \"Program to test the given string is a palindrome\"\n",
+ "string = raw_input(\"Enter a string : \")\n",
+ "if isPalindrome(string):\n",
+ " print \"The given string %s is a palindrome\"%string\n",
+ "else:\n",
+ " print \"The given string %s is not a palindrome\"%string"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Program to test the given string is a palindrome\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter a string : ratsdrowninwordstar\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The given string ratsdrowninwordstar is a palindrome\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example ifact.c, page no. 178"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def calc_fact(num):\n",
+ " fact = 1\n",
+ " for i in range(num, 1, -1):\n",
+ " fact *= i\n",
+ " return fact\n",
+ "n = int(raw_input(\"Enter an integer: \"))\n",
+ "print \"The factorial of %d is %d\" %(n, calc_fact(n))"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter an integer: 5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The factorial of 5 is 120\n"
+ ]
+ }
+ ],
+ "prompt_number": 31
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.11, page no. 179"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#output will differ as there is no concept of static in Python\n",
+ "i = 1\n",
+ "def CountNumber(n):\n",
+ " global i\n",
+ " print \"In the function the value of n is %d\" %n\n",
+ " print \"The depth of the call is: %d\" %i\n",
+ " i +=1\n",
+ " if n > 1:\n",
+ " CountNumber(n-1)\n",
+ " print \"After recurssive the value of i is %d\" %i\n",
+ "num = 3\n",
+ "CountNumber(num)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "In the function the value of n is 3\n",
+ "The depth of the call is: 1\n",
+ "In the function the value of n is 2\n",
+ "The depth of the call is: 2\n",
+ "In the function the value of n is 1\n",
+ "The depth of the call is: 3\n",
+ "After recurssive the value of i is 4\n",
+ "After recurssive the value of i is 4\n",
+ "After recurssive the value of i is 4\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example fibrec1.c, page no. 180"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def uFibr(uNum):\n",
+ " if uNum == 0:\n",
+ " return 0\n",
+ " elif uNum == 1:\n",
+ " return 1\n",
+ " else:\n",
+ " return uFibr(uNum-1)+uFibr(uNum-2)\n",
+ "uTnum = int(raw_input(\"Enter how many number are to be generated: \"))\n",
+ "print \"The Fibonacci sequences are: \"\n",
+ "for uIndex in range(uTnum):\n",
+ " print \"%u\" %uFibr(uIndex),"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter how many number are to be generated: 5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The Fibonacci sequences are: \n",
+ "0 1 1 2 3\n"
+ ]
+ }
+ ],
+ "prompt_number": 38
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example fiborec2.c, page no. 181"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import sys\n",
+ "f1 = 0\n",
+ "f2 = 1\n",
+ "def Fib(n):\n",
+ " global f1,f2\n",
+ " if n < 2:\n",
+ " f1 = 0\n",
+ " f2 = 1\n",
+ " else:\n",
+ " Fib(n-1)\n",
+ " temp = f2\n",
+ " f2 = f1+f2\n",
+ " f1 = temp\n",
+ "print \"Number of terms to be generated ?\",\n",
+ "n = int(raw_input())\n",
+ "print \"Fibonacci sequence up to %d terms: \" %n,Fib(n)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Number of terms to be generated ?"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "10\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Fibonacci sequence up to 10 terms: 0 1 1 2 3 5 8 13 21 34 None\n"
+ ]
+ }
+ ],
+ "prompt_number": 23
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Eample 5.13, page no. 184"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def gcd(p, q):\n",
+ " remainder = p-(p/q*q)\n",
+ " if remainder == 0:\n",
+ " return q\n",
+ " else:\n",
+ " return gcd(q, remainder)\n",
+ "print \"Type in any 2 nubers whose GCD is to be found: \"\n",
+ "a = int(raw_input(\"a: \"))\n",
+ "b = int(raw_input(\"b: \"))\n",
+ "iGcd = gcd(a, b)\n",
+ "print iGcd\n",
+ "print \"GCD of %d and %d is %d\" %(a, b, iGcd)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Type in any 2 nubers whose GCD is to be found: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a: 13\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "b: 45\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n",
+ "GCD of 13 and 45 is 1\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.14, page no. 185"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def hanoi(n, sndl, indl, dndl):\n",
+ " if n != 0:\n",
+ " hanoi(n-1, sndl, dndl, indl)\n",
+ " print \"Move disk %d from %c to %c\" %(n, sndl, dndl)\n",
+ " hanoi(n-1, indl, sndl, dndl)\n",
+ "snvalue = 'L'\n",
+ "invalue = 'C'\n",
+ "dnvalue = 'R'\n",
+ "print \"Enter the number of disks: \",\n",
+ "nvalue = int(raw_input())\n",
+ "print \"Tower of Hanoi problem with %d disks\" %nvalue\n",
+ "hanoi(nvalue, snvalue, invalue, dnvalue)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the number of disks: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Tower of Hanoi problem with 3 disks\n",
+ "Move disk 1 from L to R\n",
+ "Move disk 2 from L to C\n",
+ "Move disk 1 from R to C\n",
+ "Move disk 3 from L to R\n",
+ "Move disk 1 from C to L\n",
+ "Move disk 2 from C to R\n",
+ "Move disk 1 from L to R\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.15, page nol 187"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "mid = 0\n",
+ "def binSrch(b, key, low, high):\n",
+ " global mid\n",
+ " if low <= high:\n",
+ " mid = int((low+high)/2)\n",
+ " if key < b[mid]:\n",
+ " high = mid - 1\n",
+ " return binSrch(b, key, low, high)\n",
+ " elif key > b[mid]:\n",
+ " low = mid + 1\n",
+ " return binSrch(b, key, low, high)\n",
+ " elif b[mid] == key:\n",
+ " return mid+1\n",
+ " else:\n",
+ " return 0\n",
+ "n = int(raw_input(\"Enter the size of array: \"))\n",
+ "print \"Array elements (ascending order) ?\"\n",
+ "a = []\n",
+ "for i in range(n):\n",
+ " a.append(int(raw_input()))\n",
+ "print \"Element to be searched ?\",\n",
+ "key = int(raw_input())\n",
+ "position = binSrch(a, key, 0, n-1)\n",
+ "if position == 0 :\n",
+ " print \"Unsuccessful search, %d not found\" %key\n",
+ "else:\n",
+ " print \"Successful search\"\n",
+ " print \"%d found at position %d\" %(key, position)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the size of array: 6\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Array elements (ascending order) ?\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "12\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "67\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "89\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "99\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "100\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Element to be searched ?"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "99\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Successful search\n",
+ "99 found at position 5\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.16, page no. 188"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def my_max(j, n, a):\n",
+ " if n == 0:\n",
+ " return a[j]\n",
+ " else:\n",
+ " m1 = my_max(j, n/2, a)\n",
+ " m2 = my_max(j + n/2 + 1, n/2, a)\n",
+ " if m1 < m2:\n",
+ " return m2\n",
+ " else:\n",
+ " return m1\n",
+ "def my_min(j, n, a):\n",
+ " if n == 0:\n",
+ " return a[j]\n",
+ " else:\n",
+ " m1 = my_min(j, n/2, a)\n",
+ " m2 = my_min(j + n/2 + 1, n/2, a)\n",
+ " if m1 < m2:\n",
+ " return m1\n",
+ " else:\n",
+ " return m2\n",
+ "print \"Finding the maximum and minimum recursively\"\n",
+ "print \"Number of elements in vector ?\"\n",
+ "n = int(raw_input())\n",
+ "print \"Vector elements ?\"\n",
+ "x = []\n",
+ "for i in range(n):\n",
+ " x.append(int(raw_input()))\n",
+ "i = 0\n",
+ "m = n - 1\n",
+ "maxim = my_max(i, m, x)\n",
+ "print \"Maximum of %d elements is %d\" %(n, maxim)\n",
+ "i = 0\n",
+ "m = n - 1\n",
+ "minim = my_min(i,m,x)\n",
+ "print \"Minimum of %d elements is %d\" %(n, minim)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Finding the maximum and minimum recursively\n",
+ "Number of elements in vector ?\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Vector elements ?\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "12\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "34\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "56\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "78\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "54\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-12\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "0\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "89\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Maximum of 8 elements is 89\n",
+ "0 7 [12, 34, 56, 78, 54, -12, 0, 89]\n",
+ "Minimum of 8 elements is -12\n"
+ ]
+ }
+ ],
+ "prompt_number": 37
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.17, page no. 189"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Command line arguments cannot be done using IPython notebook. Hence, skipping the example"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [],
+ "prompt_number": 38
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5.18, page no. 190"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Command line arguments"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": []
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
diff --git a/Mastering_C/chapter6.ipynb b/Mastering_C/chapter6.ipynb
new file mode 100644
index 00000000..99bf0cd9
--- /dev/null
+++ b/Mastering_C/chapter6.ipynb
@@ -0,0 +1,603 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:2b98cee86e6322a41a7dca7a85df32b68e0995a4fde2b6249b408a952c9387e4"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 6: Scope & Extent"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example scope1.c, page no. 202"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#as mentioned in the textbook, the statement j = 30 will not give an error as in Python you can declare a vairable anywhere\n",
+ "#however, the statement does not refer to the variable j of the function.\n",
+ "def func():\n",
+ " j = 20\n",
+ " print \"j is a variable in the function\"\n",
+ " print \"Value of j is \",j\n",
+ "i = 10\n",
+ "print \"i is a variable in main.\"\n",
+ "print \"Value of i is \", i\n",
+ "print \"Calling func...\"\n",
+ "func()\n",
+ "j = 30"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "i is a variable in main.\n",
+ "Value of i is 10\n",
+ "Calling func...\n",
+ "j is a variable in the function\n",
+ "Value of j is 20\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example global.c, page no. 202"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "g = 0\n",
+ "def func():\n",
+ " global g\n",
+ " print \"In func. g is visbile here, since it is global\"\n",
+ " print \"Incrementing g in func...\"\n",
+ " g += 1\n",
+ " return g\n",
+ "print \"In main. g is visible here, since it is global\"\n",
+ "print \"assigning 20 to g in main...\"\n",
+ "g = 20\n",
+ "print \"Callint func...\"\n",
+ "func()\n",
+ "print \"func returned g is \", g"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "In main. g is visible here, since it is global\n",
+ "assigning 20 to g in main...\n",
+ "Callint func...\n",
+ "In func. g is visbile here, since it is global\n",
+ "Incrementing g in func...\n",
+ "func returned g is 21\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example colcolon.c, page no. 203"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#there is no concept of scope resolution operator in Python. we will do it in different way\n",
+ "a = 10\n",
+ "def func():\n",
+ " global a\n",
+ " b = 20\n",
+ " print b\n",
+ " print a\n",
+ "func()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "20\n",
+ "10\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6.1, page no. 204"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#there is no concept of block in Python. writing if True is smiliar to it but still, output will differ\n",
+ "j = 144\n",
+ "print \"The value of j outside the block is \", j\n",
+ "if True:\n",
+ " j = 12\n",
+ " print \"The value of j inside the block is \", j\n",
+ "print \"The value of j outside the block is \", j"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The value of j outside the block is 144\n",
+ "The value of j inside the block is 12\n",
+ "The value of j outside the block is 12\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6.2, page no. 205"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "i = 144\n",
+ "j = 132\n",
+ "print \"i = \", i\n",
+ "if True:\n",
+ " k = 12\n",
+ " k = int(raw_input())\n",
+ " i = i%k\n",
+ "if i == 0:\n",
+ " print \"i is a divisor of %d \" %k"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "i = 144\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "25\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6.3, page no. 205"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "iNum = 5\n",
+ "jNum = 30\n",
+ "if True:\n",
+ " iNum = 10\n",
+ " print \"%d %d\" %(iNum, jNum)\n",
+ "print \"%d %d\" %(iNum, jNum)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "10 30\n",
+ "10 30\n"
+ ]
+ }
+ ],
+ "prompt_number": 16
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7, page no. 207"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "cName = raw_input(\"Enter a string: \")\n",
+ "print \"The reverse of the string is: \"\n",
+ "print cName[::-1]"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter a string: this is a string\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The reverse of the string is: \n",
+ "gnirts a si siht\n"
+ ]
+ }
+ ],
+ "prompt_number": 18
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6.4 pageno : 206"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "iGlobal = 35\n",
+ "Number = 47\n",
+ "iVal = 99\n",
+ "Number = 1000\n",
+ "print \"The value of local variable Number is %d\"%Number\n",
+ "print \"The value of global variable iGlobal is %d\"%iGlobal\n",
+ "print \"The value of global variable Number is %d\"%Number\n",
+ "print \"The value of static global variable iVal is %d\"%iVal\n",
+ "\n",
+ "# Python has no static functionality. and also local variable changes value when value assigned to it."
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The value of local variable Number is 1000\n",
+ "The value of global variable iGlobal is 35\n",
+ "The value of global variable Number is 1000\n",
+ "The value of static global variable iVal is 99\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6.5, page no. 208"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "Count = 1\n",
+ "def PrintCount():\n",
+ " global Count\n",
+ " print \"Count = %d\" %Count\n",
+ " Count = Count + 1\n",
+ "PrintCount()\n",
+ "PrintCount()\n",
+ "PrintCount()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Count = 1\n",
+ "Count = 2\n",
+ "Count = 3\n"
+ ]
+ }
+ ],
+ "prompt_number": 19
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6.6, page no.208"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "uF1 = 0\n",
+ "uF2 = 1\n",
+ "def PrintNextFibo():\n",
+ " global uF1,uF2\n",
+ " uFpre = uF1 + uF2\n",
+ " print \"%d\" %uFpre ,\n",
+ " uF2 = uF1\n",
+ " uF1 = uFpre\n",
+ "print \"Fibonacci sequences using static variables :\"\n",
+ "print \"Enter how many number are to be generated :\",\n",
+ "itotNum = int(raw_input())\n",
+ "print \"The first %d fibonacci numbers are\" %itotNum\n",
+ "for iIndex in range(1,itotNum+1):\n",
+ " PrintNextFibo()\n",
+ "\n",
+ "# it starts with zero but here function created called uses global variable so we need to print/assume manually zero value."
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Fibonacci sequences using static variables :\n",
+ "Enter how many number are to be generated :"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " The first 5 fibonacci numbers are\n",
+ "1 1 2 3 5\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 209"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import linsrch\n",
+ "import bubble\n",
+ "arr = []\n",
+ "num = 5\n",
+ "i = 0\n",
+ "pos = 1\n",
+ "print \"Enter five elements\"\n",
+ "while i < num:\n",
+ " arr.append(int(raw_input()))\n",
+ " i+=1\n",
+ "print \"Enter element to be searched: \",\n",
+ "key = int(raw_input())\n",
+ "pos = linsrch.LinSrch(arr, num, key)\n",
+ "if pos:\n",
+ " print \"Element %d found at %d position\" %(key, pos)\n",
+ "else:\n",
+ " print \"Ellement %d not found\" %key\n",
+ "bubble.BubSort(arr, num)\n",
+ "print \"The sorted element are\"\n",
+ "for ele in arr:\n",
+ " print ele,"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter five elements\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "12\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "15\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "56\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "48\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "22\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter element to be searched: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "22\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Element 22 found at 5 position\n",
+ "The sorted element are\n",
+ "12 15 22 48 56\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 211"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import myglobal\n",
+ "globalVar = 10\n",
+ "print \"globalVar before calling = \", globalVar\n",
+ "myglobal.inc_global(globalVar)\n",
+ "print \"globalVar after calling \", globalVar"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "globalVar before calling = 10\n",
+ "globalVar after calling 10\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 212"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import myglobal\n",
+ "\n",
+ "globalVar = 10\n",
+ "print \"globalVar before calling = \", globalVar\n",
+ "g = myglobal.inc_global(globalVar)\n",
+ "print \"globalVar after calling \", g"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "globalVar before calling = 10\n",
+ "globalVar after calling 11\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
diff --git a/Mastering_C/chapter7.ipynb b/Mastering_C/chapter7.ipynb
new file mode 100644
index 00000000..e41cbc36
--- /dev/null
+++ b/Mastering_C/chapter7.ipynb
@@ -0,0 +1,2482 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:df255fa9a4e53028d13370030da5fb9293c0b07c60111131baf99b22bd751792"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 7 : Array and Strings"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 1, page no. 221"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "sum = 0\n",
+ "a1 = int(raw_input(\"Age:\"))\n",
+ "sum += a1\n",
+ "a2 = int(raw_input(\"Age:\"))\n",
+ "sum += a2\n",
+ "a3 = int(raw_input(\"Age:\"))\n",
+ "sum += a3\n",
+ "a4 = int(raw_input(\"Age:\"))\n",
+ "sum += a4\n",
+ "a5 = int(raw_input(\"Age:\"))\n",
+ "sum += a5\n",
+ "print \"The ages that were input are:\"\n",
+ "print a1\n",
+ "print a2\n",
+ "print a3\n",
+ "print a4\n",
+ "print a5\n",
+ "print \"Average = %d\" %(sum/5)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Age:10\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Age:20\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Age:30\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Age:40\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Age:50\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The ages that were input are:\n",
+ "10\n",
+ "20\n",
+ "30\n",
+ "40\n",
+ "50\n",
+ "Average = 30\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2, page no. 222"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "sum = 0.0\n",
+ "age = []\n",
+ "n = int(raw_input(\"Number of persons:\"))\n",
+ "if n<=0 or n>5:\n",
+ " print \"Invalid number of person entered\"\n",
+ "else:\n",
+ " for i in range(n):\n",
+ " age.append(int(raw_input(\"Age :\")))\n",
+ " sum += age[i]\n",
+ " print \"The ages input are:\"\n",
+ " for i in range (n):\n",
+ " print age[i]\n",
+ " print \"The average is :\",(sum/n)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Number of persons:5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Age :10\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Age :20\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Age :30\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Age :40\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Age :50\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The ages input are:\n",
+ "10\n",
+ "20\n",
+ "30\n",
+ "40\n",
+ "50\n",
+ "The average is : 30.0\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.1, page no. 225"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "a = []\n",
+ "n = int(raw_input(\"Size of vector ? \"))\n",
+ "print \"Vector elements ? \"\n",
+ "for i in range (n):\n",
+ " a.append(float(raw_input()))\n",
+ "large = max(a)\n",
+ "small = min(a)\n",
+ "print \"Largest element in vector is %8.2f\" %large\n",
+ "print \"Smallest element in vector is %8.2f\" %small"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Size of vector ? 7\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Vector elements ? \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "34.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-9.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "12.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "10\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-6.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "0.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "36.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Largest element in vector is 36.00\n",
+ "Smallest element in vector is -9.00\n"
+ ]
+ }
+ ],
+ "prompt_number": 18
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.2, page no. 226"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "a = []\n",
+ "n = int(raw_input(\"Size of vector ? \"))\n",
+ "print \"Vector elements ? \"\n",
+ "for i in range (n):\n",
+ " a.append(float(raw_input()))\n",
+ "for i in range (n-1):\n",
+ " for j in range(i+1,n):\n",
+ " if a[i]> a[j]:\n",
+ " a[i],a[j]=a[j],a[i]\n",
+ "print \"Vector elements in ascending order :\"\n",
+ "for i in range(n):\n",
+ " print \"%8.2f\" %a[i]\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Size of vector ? 8\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Vector elements ? \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "91.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "20.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "34.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "11.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-2.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Vector elements in ascending order :\n",
+ " -2.00\n",
+ " 1.00\n",
+ " 6.00\n",
+ " 7.00\n",
+ " 11.00\n",
+ " 20.00\n",
+ " 34.00\n",
+ " 91.00\n"
+ ]
+ }
+ ],
+ "prompt_number": 17
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.3, page no. 227"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "a = []\n",
+ "n = int(raw_input(\"Size of vector ? \"))\n",
+ "print \"Vector elements ? \"\n",
+ "for i in range (n):\n",
+ " a.append(float(raw_input()))\n",
+ "item = float(raw_input(\"Element to be inserted ?\"))\n",
+ "pos = int(raw_input(\"Position of insertion ?\"))\n",
+ "a.insert(pos-1, item)\n",
+ "print \"Vector after insertion\"\n",
+ "for ele in a:\n",
+ " print ele,"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Size of vector ? 7\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Vector elements ? \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Element to be inserted ?10.00\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Position of insertion ?1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Vector after insertion\n",
+ "10.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0\n"
+ ]
+ }
+ ],
+ "prompt_number": 21
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example arrfunc.c, page no. 230"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "rollno = 4\n",
+ "subject = 3\n",
+ "def display(studentmarks):\n",
+ " for r in range(rollno):\n",
+ " print \"\\nRoll no.: \", r+1,\n",
+ " for s in range(subject):\n",
+ " print \"%10.2f\" %studentmarks[r][s],\n",
+ "marks =[[35.5, 40.5, 45.5],\n",
+ " [50.5, 55.5, 60.5],\n",
+ " [65.0, 70.0, 75.5],\n",
+ " [80.0, 85.0, 90.0]]\n",
+ "display(marks)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "Roll no.: 1 35.50 40.50 45.50 \n",
+ "Roll no.: 2 50.50 55.50 60.50 \n",
+ "Roll no.: 3 65.00 70.00 75.50 \n",
+ "Roll no.: 4 80.00 85.00 90.00\n"
+ ]
+ }
+ ],
+ "prompt_number": 28
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.4, page no. 240"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import numpy\n",
+ "\n",
+ "a = numpy.zeros((10, 10))\n",
+ "b = numpy.zeros((10, 10))\n",
+ "c = numpy.zeros((10, 10))\n",
+ "\n",
+ "print \"Input row & column of A matrix: \"\n",
+ "n = int(raw_input(\"row: \"))\n",
+ "m = int(raw_input(\"column: \"))\n",
+ "\n",
+ "print \"Input row & column of B matrix: \"\n",
+ "p = int(raw_input(\"row: \"))\n",
+ "q = int(raw_input(\"column: \"))\n",
+ "\n",
+ "if n == p and m == q:\n",
+ " print \"Matrices can be added\"\n",
+ " print \"Input A matrix: \",\n",
+ " for i in range(n):\n",
+ " for j in range(m):\n",
+ " a[i][j] = int(raw_input())\n",
+ " print \"\"\n",
+ " print \"Input B matrix: \",\n",
+ " for i in range(p):\n",
+ " for j in range(q):\n",
+ " b[i][j] = int(raw_input())\n",
+ " print \"\"\n",
+ " for i in range(p):\n",
+ " for j in range(q):\n",
+ " c[i][j] = a[i][j] + b[i][j]\n",
+ " print \"Sum of A & B matrices: \"\n",
+ " for i in range(n):\n",
+ " for j in range(m):\n",
+ " print \"%5d\" %c[i][j],\n",
+ " print \"\"\n",
+ "else:\n",
+ " print \"Matricess cannot be added\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input row & column of A matrix: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "row: 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "column: 3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input row & column of B matrix: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "row: 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "column: 3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Matrices can be added\n",
+ "Input A matrix: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "Input B matrix: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "Sum of A & B matrices: \n",
+ " 2 4 6 \n",
+ " 8 10 12 \n",
+ " 14 16 18 \n"
+ ]
+ }
+ ],
+ "prompt_number": 46
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.5, page no. 233"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import numpy\n",
+ "\n",
+ "a = numpy.zeros((10, 10))\n",
+ "print \"Enter the order of A matrix: \",\n",
+ "n = int(raw_input())\n",
+ "print \"Input A matrix\"\n",
+ "for i in range(n):\n",
+ " for j in range(n):\n",
+ " a[i][j] = int(raw_input())\n",
+ "trace = 0\n",
+ "for i in range(n):\n",
+ " trace += a[i][i]\n",
+ "print \"Trace = \", trace"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the order of A matrix: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Input A matrix\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Trace = 15.0\n"
+ ]
+ }
+ ],
+ "prompt_number": 48
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.6, page no. 233"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import numpy\n",
+ "\n",
+ "def read_mat(a, m, n):\n",
+ " for i in range(m):\n",
+ " for j in range(n):\n",
+ " a[i][j] = int(raw_input())\n",
+ "def write_mat(a, m, n):\n",
+ " for i in range(m):\n",
+ " for j in range(n):\n",
+ " print \"%d\" %a[i][j],\n",
+ " print \"\"\n",
+ "\n",
+ "a = numpy.zeros((10, 10))\n",
+ "b = numpy.zeros((10, 10))\n",
+ "c = numpy.zeros((10, 10))\n",
+ "\n",
+ "print \"Input row & column of A matrix: \"\n",
+ "n = int(raw_input(\"row: \"))\n",
+ "m = int(raw_input(\"column: \"))\n",
+ "\n",
+ "print \"Input row & column of b matrix: \"\n",
+ "k = int(raw_input(\"row: \"))\n",
+ "q = int(raw_input(\"column: \"))\n",
+ "\n",
+ "if n == k:\n",
+ " print \"Matrices can be multiplied\"\n",
+ " print \"Resultant Matrix is %d x %d\" %(m, q)\n",
+ " print \"Input A matrix\"\n",
+ " read_mat(a, m, n)\n",
+ " print \"Input B matrix\"\n",
+ " read_mat(b, k, q)\n",
+ " for i in range(m):\n",
+ " for j in range(q):\n",
+ " c[i][j] = 0\n",
+ " for ip in range(n):\n",
+ " c[i][j] = c[i][j]+a[i][ip]*b[ip][j]\n",
+ " print \"Resultant of A and B matrices: \"\n",
+ " write_mat(c, m, q)\n",
+ "else:\n",
+ " print \"col of matrix A must be equal to row of matrix B\"\n",
+ " print \"Matrices cannot be multiplied\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input row & column of A matrix: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "row: 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "column: 3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input row & column of b matrix: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "row: 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "column: 3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Matrices can be multiplied\n",
+ "Resultant Matrix is 3 x 3\n",
+ "Input A matrix\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input B matrix\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Resultant of A and B matrices: \n",
+ "30 36 42 \n",
+ "66 81 96 \n",
+ "102 126 150 \n"
+ ]
+ }
+ ],
+ "prompt_number": 51
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.7, page no. 235"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import numpy\n",
+ "\n",
+ "a = numpy.zeros((10, 10))\n",
+ "\n",
+ "print \"Input row & column of A matrix: \"\n",
+ "n = int(raw_input(\"row: \"))\n",
+ "m = int(raw_input(\"column: \"))\n",
+ "\n",
+ "print \"Input A matrix: \"\n",
+ "for i in range(n):\n",
+ " for j in range(m):\n",
+ " a[i][j] = int(raw_input())\n",
+ "print \"Transpose of matrix A is\"\n",
+ "for i in range(m):\n",
+ " for j in range(n):\n",
+ " print \"%5d\" %a[j][i],\n",
+ " print \"\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input row & column of A matrix: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "row: 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "column: 4\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input A matrix: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Transpose of matrix A is\n",
+ " 1 5 9 \n",
+ " 2 6 6 \n",
+ " 3 7 7 \n",
+ " 4 8 8 \n"
+ ]
+ }
+ ],
+ "prompt_number": 55
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.8, page no. 237"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "strc = \"This is a string literal\"\n",
+ "print strc"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "This is a string literal\n"
+ ]
+ }
+ ],
+ "prompt_number": 57
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example starray.c, page no. 238"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "names = [\"Tejaswi\",\n",
+ " \"Prasad\",\n",
+ " \"Prasanth\",\n",
+ " \"Prakash\",\n",
+ " \"Anand\",]\n",
+ "for name in names:\n",
+ " print name"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Tejaswi\n",
+ "Prasad\n",
+ "Prasanth\n",
+ "Prakash\n",
+ "Anand\n"
+ ]
+ }
+ ],
+ "prompt_number": 59
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example strcat.c, page no. 239"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "oneString = \"Fish\"\n",
+ "twoString = \"face\"\n",
+ "oneString += twoString\n",
+ "print oneString"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Fishface\n"
+ ]
+ }
+ ],
+ "prompt_number": 63
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.9, page no. 241"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "a = []\n",
+ "print \"Size of vector ?\"\n",
+ "n = int(raw_input())\n",
+ "num = n\n",
+ "print \"Vector Elements ?\"\n",
+ "for i in range(n):\n",
+ " a.append(float(raw_input()))\n",
+ "a = set(a)\n",
+ "a = list(a)\n",
+ "length = len(a)\n",
+ "print length\n",
+ "if length == n:\n",
+ " print \"No duplicates found\"\n",
+ "else:\n",
+ " print \"Vector has %d duplicates\" %(num - length)\n",
+ " print \"Vector after deleting duplicates: \",\n",
+ " for ele in a:\n",
+ " print ele,"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Size of vector ?\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Vector Elements ?\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n",
+ "Vector has 2 duplicates\n",
+ "Vector after deleting duplicates: 1.0 2.0 3.0 4.0\n"
+ ]
+ }
+ ],
+ "prompt_number": 73
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.10, page no. 242"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import numpy\n",
+ "\n",
+ "grade = ['', '', '', '', '', '', '', '', '', '', '', '', '', '']\n",
+ "a = numpy.zeros((50,10))\n",
+ "print \"Number of students ?\",\n",
+ "n = int(raw_input())\n",
+ "for i in range(n):\n",
+ " sum = 0.0\n",
+ " print \"Enter 3 socres of student %d\" %(i+1)\n",
+ " for j in range(3):\n",
+ " a[i][j] = (float(raw_input()))\n",
+ " sum += a[i][j]\n",
+ " avg = sum/3\n",
+ " a[i][3] = avg\n",
+ " if avg < 30.0:\n",
+ " grade[i] = 'E'\n",
+ " elif avg < 60.0:\n",
+ " grade[i] = 'D'\n",
+ " elif avg < 75.0:\n",
+ " grade[i] = 'B'\n",
+ " else:\n",
+ " grade[i] = 'A'\n",
+ "print \"S1.no scores AVERAGE GRADE\"\n",
+ "print \"---------------------------------------------\"\n",
+ "for i in range(n):\n",
+ " print i+1,\n",
+ " for j in range(4):\n",
+ " print \"%8.2f\" %a[i][j],\n",
+ " print \"%6c\" %grade[i],\n",
+ " print \"\"\n",
+ " print \"---------------------------------------------\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Number of students ?"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enter 3 socres of student 1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "67\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "86\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "58\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter 3 socres of student 2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "20\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "30\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "23.9\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter 3 socres of student 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "80\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "97\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "73\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter 3 socres of student 4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "56.8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "47.9\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "62.0\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter 3 socres of student 5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "45\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "35\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "40\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "S1.no scores AVERAGE GRADE\n",
+ "---------------------------------------------\n",
+ "1 67.00 86.00 58.00 70.33 B \n",
+ "---------------------------------------------\n",
+ "2 20.00 30.00 23.90 24.63 E \n",
+ "---------------------------------------------\n",
+ "3 80.00 97.00 73.00 83.33 A \n",
+ "---------------------------------------------\n",
+ "4 56.80 47.90 62.00 55.57 D \n",
+ "---------------------------------------------\n",
+ "5 45.00 35.00 40.00 40.00 D \n",
+ "---------------------------------------------\n"
+ ]
+ }
+ ],
+ "prompt_number": 85
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.11, page no. 243"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "\n",
+ "sumsq = 0\n",
+ "sum = 0\n",
+ "print \"Calculation standard deviation of a\"\n",
+ "print \"Enter size of the list: \",\n",
+ "n = int(raw_input())\n",
+ "x = []\n",
+ "print \"Enter the %d items \" %n\n",
+ "for i in range(n):\n",
+ " x.append(float(raw_input()))\n",
+ " sum += x[i]\n",
+ "mean = sum/n\n",
+ "for i in range(n):\n",
+ " sumsq = sumsq + (mean-x[i]) * (mean-x[i])\n",
+ "variance = sumsq/n\n",
+ "sdn = math.sqrt(variance)\n",
+ "print \"Mean of %5d items : %10.6f\" %(n, mean)\n",
+ "print \"Variance : %10.6f\" %(variance)\n",
+ "print \"Standard Deviation : %10.6f\" %sdn"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Calculation standard deviation of a\n",
+ "Enter size of the list: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enter the 7 items \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "32\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "11\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "90\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "34\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "52\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "24\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Mean of 7 items : 35.714286\n",
+ "Variance : 685.918367\n",
+ "Standard Deviation : 26.190043\n"
+ ]
+ }
+ ],
+ "prompt_number": 89
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.12, page no. 244"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import numpy\n",
+ "import math\n",
+ "\n",
+ "def nrm(a, n, m):\n",
+ " sum = 0.0\n",
+ " for i in range(n):\n",
+ " for j in range(m):\n",
+ " sum = sum + a[i][j] * a[i][j]\n",
+ " print \"Sum = %6.2f\" %sum\n",
+ " return math.sqrt(sum)\n",
+ "\n",
+ "a = numpy.zeros((10, 10))\n",
+ "print \"Input row & column of A matrix\"\n",
+ "n = int(raw_input(\"row: \"))\n",
+ "m = int(raw_input(\"column: \"))\n",
+ "print \"Input A matrix\"\n",
+ "for i in range(n):\n",
+ " for j in range(m):\n",
+ " a[i][j] = float(raw_input())\n",
+ "norm = nrm(a, n, m)\n",
+ "print \"Norm = %6.2f\" %norm"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input row & column of A matrix\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "row: 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "column: 3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input A matrix\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "9\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Sum = 285.00\n",
+ "Norm = 16.88\n"
+ ]
+ }
+ ],
+ "prompt_number": 90
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.13, page no. 245"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import numpy\n",
+ "\n",
+ "a = numpy.zeros((5, 5))\n",
+ "flag = True\n",
+ "print \"Input size of matrix\"\n",
+ "n = int(raw_input(\"row: \"))\n",
+ "m = int(raw_input(\"column: \"))\n",
+ "print \"Enter the elements of the matrix: \"\n",
+ "for i in range(m):\n",
+ " for j in range(n):\n",
+ " a[i][j] = float(raw_input())\n",
+ "for i in range(m):\n",
+ " min = a[i][0]\n",
+ " p = i\n",
+ " q = 0\n",
+ " for j in range(n):\n",
+ " if min > a[i][j]:\n",
+ " min = a[i][j]\n",
+ " p = i\n",
+ " q = j\n",
+ " for j in range(m):\n",
+ " if j != q:\n",
+ " if a[j][q] > a[p][q]:\n",
+ " flag = False\n",
+ " if flag:\n",
+ " print \"Saddle point a[%d][%d] = %d\" %(p+1, q+1, a[p][q])\n",
+ " else:\n",
+ " print \"No saddle is in row %d\" %(i+1)\n",
+ " flag = True"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input size of matrix\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "row: 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "column: 3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the elements of the matrix: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "10\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Saddle point a[1][2] = 5\n",
+ "Saddle point a[2][2] = 5\n",
+ "No saddle is in row 3\n"
+ ]
+ }
+ ],
+ "prompt_number": 91
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7.14, page no. 246"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import numpy\n",
+ "\n",
+ "a = numpy.zeros((10, 10))\n",
+ "b = numpy.zeros((10, 10))\n",
+ "flag = None\n",
+ "print \"Input order of A matrix\"\n",
+ "n = int(raw_input(\"row: \"))\n",
+ "print \"Input A matrix\"\n",
+ "for i in range(n):\n",
+ " for j in range(n):\n",
+ " a[i][j] = int(raw_input())\n",
+ "for i in range(n):\n",
+ " for j in range(n):\n",
+ " b[i][j] = a[j][i]\n",
+ "print \"Transpose of A matrix\"\n",
+ "for i in range(n):\n",
+ " for j in range(n):\n",
+ " print \"%5d\" %b[i][j],\n",
+ " print \"\"\n",
+ "for i in range(n):\n",
+ " for j in range(n):\n",
+ " if a[i][j] != b[i][j]:\n",
+ " flag = True\n",
+ "if flag:\n",
+ " print \"Matrix is not symmetric\"\n",
+ "else:\n",
+ " print \"Matrix is symmetric\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input order of A matrix\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "row: 2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input A matrix\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Transpose of A matrix\n",
+ " 1 3 \n",
+ " 2 4 \n",
+ "Matrix is not symmetric\n"
+ ]
+ }
+ ],
+ "prompt_number": 96
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
diff --git a/Mastering_C/chapter8.ipynb b/Mastering_C/chapter8.ipynb
new file mode 100644
index 00000000..b93801ac
--- /dev/null
+++ b/Mastering_C/chapter8.ipynb
@@ -0,0 +1,2252 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:a09d4bcf6c9368fe8d58466e4e36512ef92468a06ab7b1aa67d8417eff2354ac"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 8: Pointers"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example getaddr.c, page no. 261"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 4,
+ "metadata": {},
+ "source": [
+ "Note: There is no concept of pointers in Python. Hence, output may not match for some of the examples."
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "a = 100\n",
+ "b = 200\n",
+ "c = 300\n",
+ "\n",
+ "print \"Address: %x contains value: %i\" %(a, a)\n",
+ "print \"Address: %x contains value: %i\" %(b, b)\n",
+ "print \"Address: %x contains value: %i\" %(c, c)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Address: 64 contains value: 100\n",
+ "Address: c8 contains value: 200\n",
+ "Address: 12c contains value: 300\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.1, page no. 263"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "i = 7\n",
+ "f = 10.5\n",
+ "c = 'A'\n",
+ "print \"%d is stored at address %u\" %(i, id(i))\n",
+ "print \"%f is stored at address %u\" %(f, id(f))\n",
+ "print \"%c is stored at address %u\" %(c, id(c))"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7 is stored at address 41297768\n",
+ "10.500000 is stored at address 53588120\n",
+ "A is stored at address 140471220157656\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.2, page no. 263"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "var1 = 10\n",
+ "var2 = 20\n",
+ "iptr = id(var1)\n",
+ "print \"Address and contents of var1 is: %d & %d\" %(iptr, var1)\n",
+ "iptr = id(var2)\n",
+ "print \"Address and contents of var1 is: %d & %d\" %(iptr, var2)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Address and contents of var1 is: 41297696 & 10\n",
+ "Address and contents of var1 is: 41297456 & 20\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example derefer.c, page no. 265"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#note: we have used var1 instead of iptr because there is no point of pointer in python. Hence, instead of *iptr \n",
+ "#we have to refer to the same variable\n",
+ "var1 = 0\n",
+ "iptr = id(var1)\n",
+ "var1 = 25\n",
+ "var1 += 10\n",
+ "print \"Variable var1 contains %i \" %var1\n",
+ "var2 = var1\n",
+ "print \"Variable var2 contains: %i\" %var2\n",
+ "iptr = id(var2)\n",
+ "var2 += 20\n",
+ "print \"Variable var2 now contains: %i\" %var2"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Variable var1 contains 35 \n",
+ "Variable var2 contains: 35\n",
+ "Variable var2 now contains: 55\n"
+ ]
+ }
+ ],
+ "prompt_number": 13
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.3, page no. 267"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "a = 5\n",
+ "b = 10\n",
+ "ptr = id(a)\n",
+ "print \"Initial values of a & b\"\n",
+ "print \"a = %d\" %a\n",
+ "print \"b = %d\" %b\n",
+ "b = a\n",
+ "print \"Changed values of a & b\"\n",
+ "print \"a = %d\" %a\n",
+ "print \"b = %d\" %b\n",
+ "print \"Address of variable is \", id(a)\n",
+ "print \"Address of variable is \", id(b)\n",
+ "print \"Address assigned to pointer ptr is \", id(ptr)\n",
+ "print \"Value pointer ptr access is \", a"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Initial values of a & b\n",
+ "a = 5\n",
+ "b = 10\n",
+ "Changed values of a & b\n",
+ "a = 5\n",
+ "b = 5\n",
+ "Address of variable is 41297816\n",
+ "Address of variable is 41297816\n",
+ "Address assigned to pointer ptr is 51460736\n",
+ "Value pointer ptr access is 5\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.4, page no. 268"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def swap(d1, d2):\n",
+ " return d2, d1\n",
+ "\n",
+ "print \"Enter 2 real numbers:\"\n",
+ "data1 = float(raw_input(\"num1: \"))\n",
+ "data2 = float(raw_input(\"num2: \"))\n",
+ "\n",
+ "print \"Data1 contains: \", data1\n",
+ "print \"Data2 contains: \", data2\n",
+ "data1, data2 = swap(data1, data2)\n",
+ "print \"After swapping.....\"\n",
+ "print \"Data1 contains: \", data1\n",
+ "print \"Data2 contains: \", data2"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter 2 real numbers:\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "num1: 23.55\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "num2: -65.73\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Data1 contains: 23.55\n",
+ "Data2 contains: -65.73\n",
+ "After swapping.....\n",
+ "Data1 contains: -65.73\n",
+ "Data2 contains: 23.55\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example voidptr.c, page no. 270"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "i1 = 100\n",
+ "f1 = 200.5\n",
+ "vptr = id(i1)\n",
+ "print \"i1 contains \", i1\n",
+ "vptr = id(f1)\n",
+ "print \"f1 contians \", f1"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "i1 contains 100\n",
+ "f1 contians 200.5\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.5, page no. 271"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#the way it is given in the textbook is not possible as there is no concept of pointers in Python\n",
+ "a = []\n",
+ "print \"Size of array ?\"\n",
+ "n = int(raw_input())\n",
+ "print \"Array elements ?\"\n",
+ "for i in range(n):\n",
+ " a.append(int(raw_input()))\n",
+ "small = min(a)\n",
+ "print \"The smallest element is \", small"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Size of array ?\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "6\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Array elements ?\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-9\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "12\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-23\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "0\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-77\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The smallest element is -77\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.6, page no. 272"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "a = 5\n",
+ "b = 10\n",
+ "ptr1 = id(a)\n",
+ "ptr2 = id(b)\n",
+ "\n",
+ "c = a + b\n",
+ "d = a/b*7\n",
+ "\n",
+ "print \"Addresses of variables 'a' and 'b': \"\n",
+ "print \"a: \", ptr1\n",
+ "print \"b: \", ptr2\n",
+ "\n",
+ "print \"Addresses of pointers 'ptr1' and 'ptr2' hold: \"\n",
+ "print \"ptr1: \", ptr1\n",
+ "print \"ptr2: \", ptr2\n",
+ "\n",
+ "print \"values of 'a', 'b', 'c', 'd': \"\n",
+ "print \"a = %2d b = %2d c = %2d d = %2d\" %(a,b,c,d)\n",
+ "print \"Values accessed by pointers 'ptr1' and 'ptr2': \"\n",
+ "print \"ptr1: \", ptr1\n",
+ "print \"ptr2: \", ptr2"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Addresses of variables 'a' and 'b': \n",
+ "a: 37181336\n",
+ "b: 37181216\n",
+ "Addresses of pointers 'ptr1' and 'ptr2' hold: \n",
+ "ptr1: 37181336\n",
+ "ptr2: 37181216\n",
+ "values of 'a', 'b', 'c', 'd': \n",
+ "a = 5 b = 10 c = 15 d = 0\n",
+ "Values accessed by pointers 'ptr1' and 'ptr2': \n",
+ "ptr1: 37181336\n",
+ "ptr2: 37181216\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example farptr.c, page no. 275"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# not possible in Python"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example ptriptr.c, page no. 275"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "data = 0\n",
+ "iptr = id(data)\n",
+ "ptriptr = id(iptr)\n",
+ "data = 100\n",
+ "print \"Variable 'data' contains: \", data\n",
+ "ptriptr = 200\n",
+ "print \"Variable 'data' contains: \", data\n",
+ "#value of data won't change as there is no pointer\n",
+ "data = 300\n",
+ "print \"ptriptr is pointing to: \", data"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Variable 'data' contains: 100\n",
+ "Variable 'data' contains: 100\n",
+ "ptriptr is pointing to: 300\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 277"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "iarray = [1, 2, 3, 4, 5]\n",
+ "for i in range(5):\n",
+ " print id(iarray[i]), iarray[i]"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "37181432 1\n",
+ "37181408 2\n",
+ "37181384 3\n",
+ "37181360 4\n",
+ "37181336 5\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 279"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def sort_it(b):\n",
+ " return sorted(b)\n",
+ "\n",
+ "a = []\n",
+ "print \"Eneter the number of elements in the array (lessthan 21): \"\n",
+ "n = int(raw_input())\n",
+ "print \"Enter the elements: \"\n",
+ "for i in range(n):\n",
+ " a.append(int(raw_input()))\n",
+ "arr = sort_it(a)\n",
+ "print \"The sorted array: \"\n",
+ "for ele in arr:\n",
+ " print ele,"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Eneter the number of elements in the array (lessthan 21): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the elements: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "0\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The sorted array: \n",
+ "-4 0 1 4 7\n"
+ ]
+ }
+ ],
+ "prompt_number": 26
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.7, page no. 280"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def SortByPtrExchange(person):\n",
+ " return sorted(person)\n",
+ "choice = 'y'\n",
+ "person = []\n",
+ "while choice == 'y':\n",
+ " print \"Enter Name: \"\n",
+ " person.append(raw_input())\n",
+ " print \"Enter another ? (y/n)\"\n",
+ " choice = raw_input()\n",
+ "print \"Unsorted list: \"\n",
+ "for per in person:\n",
+ " print per\n",
+ "person = SortByPtrExchange(person)\n",
+ "print \"Sorted List: \"\n",
+ "for per in person:\n",
+ " print per"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Name: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Tejaswi\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter another ? (y/n)\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "y\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Name: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Prasad\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter another ? (y/n)\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "y\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Name: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Prakash\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter another ? (y/n)\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "y\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Name: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Sudeep\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter another ? (y/n)\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "y\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Name: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Anand\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter another ? (y/n)\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "n\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Unsorted list: \n",
+ "Tejaswi\n",
+ "Prasad\n",
+ "Prakash\n",
+ "Sudeep\n",
+ "Anand\n",
+ "Sorted List: \n",
+ "Anand\n",
+ "Prakash\n",
+ "Prasad\n",
+ "Sudeep\n",
+ "Tejaswi\n"
+ ]
+ }
+ ],
+ "prompt_number": 29
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example argref.c, page no. 282"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def Add10(studentmarks):\n",
+ " studentmarks += 10\n",
+ " return studentmarks\n",
+ "Marks = 25\n",
+ "print \"Value of Marks = %d\" %Marks\n",
+ "Marks = Add10(Marks)\n",
+ "print \"Value of Marks after execution = %d\" %Marks"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Value of Marks = 25\n",
+ "Value of Marks after execution = 35\n"
+ ]
+ }
+ ],
+ "prompt_number": 32
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example accfunc.c, page no. 283"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "Max = 5\n",
+ "def Add10(studentmarks):\n",
+ " global Max\n",
+ " for i in range(Max):\n",
+ " studentmarks[i] += 10\n",
+ " return studentmarks\n",
+ "Marks = [25, 43, 70, 80, 76]\n",
+ "Marks = Add10(Marks)\n",
+ "for j in range(Max):\n",
+ " print \"Marks[%d] = %d\" %(j, Marks[j])"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Marks[0] = 35\n",
+ "Marks[1] = 53\n",
+ "Marks[2] = 80\n",
+ "Marks[3] = 90\n",
+ "Marks[4] = 86\n"
+ ]
+ }
+ ],
+ "prompt_number": 33
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.8, page no. 285"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def exchange(x, y):\n",
+ " return y, x\n",
+ "print \"Program swaps values of the variables 'a' and 'b'\"\n",
+ "print \"Values of a & b: \"\n",
+ "a = int(raw_input(\"a: \"))\n",
+ "b = int(raw_input(\"b: \"))\n",
+ "print \"a: %5d \\t b = %5d\" %(a, b)\n",
+ "x, y = exchange(a, b)\n",
+ "print \"After swapping: \"\n",
+ "print \"a = %5d \\t b = %5d\" %(x, y)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Program swaps values of the variables 'a' and 'b'\n",
+ "Values of a & b: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a: 78\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "b: 196\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "a: 78 \t b = 196\n",
+ "After swapping: \n",
+ "a = 196 \t b = 78\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 287"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#not possible in Python. Hence, skipping"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [],
+ "prompt_number": 36
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 288"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "arr = [1, 2, 3]\n",
+ "ptr = id(arr)\n",
+ "for i in range(3):\n",
+ " print \"%d %d\" %(id(i), arr[i])"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "37181456 1\n",
+ "37181432 2\n",
+ "37181408 3\n"
+ ]
+ }
+ ],
+ "prompt_number": 38
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.9, page no. 289"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "arr = [1, 2, 3, 4, 5]\n",
+ "for ele in arr[::-1]:\n",
+ " print ele,"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5 4 3 2 1\n"
+ ]
+ }
+ ],
+ "prompt_number": 40
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.10, page no. 289"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "arr = [-1, -2, -3, -4, -5]\n",
+ "p = arr\n",
+ "arr = arr[::-1]\n",
+ "p = p[::-1]\n",
+ "for i in range(len(arr)):\n",
+ " print arr[i], \"\\t\", p[i]"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-5 \t-5\n",
+ "-4 \t-4\n",
+ "-3 \t-3\n",
+ "-2 \t-2\n",
+ "-1 \t-1\n"
+ ]
+ }
+ ],
+ "prompt_number": 42
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 290"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "ia = [2, 5, 9]\n",
+ "ptr = ia\n",
+ "for ele in ptr:\n",
+ " print ele,"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2 5 9\n"
+ ]
+ }
+ ],
+ "prompt_number": 44
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.11, page no. 291"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def FindBig(x, y):\n",
+ " return x if x > y else y\n",
+ "print \"Enter two integers: \"\n",
+ "a = int(raw_input(\"int1: \"))\n",
+ "b = int(raw_input(\"int2: \"))\n",
+ "big = FindBig(a, b)\n",
+ "print \"Variable name \\t address of the variable \\t value\"\n",
+ "print \"a \\t\\t %d \\t\\t\\t %d\"%(id(a), a)\n",
+ "print \"The bigger of the two integers\"\n",
+ "print \"big \\t\\t %d \\t\\t\\t %d\" %(id(big), big)\n",
+ "print \"The value as botained form pointer: \", big"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter two integers: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "int1: 5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "int2: 7\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Variable name \t address of the variable \t value\n",
+ "a \t\t 37181336 \t\t\t 5\n",
+ "The bigger of the two integers\n",
+ "big \t\t 37181288 \t\t\t 7\n",
+ "The value as botained form pointer: 7\n"
+ ]
+ }
+ ],
+ "prompt_number": 47
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example string1.c, page no. 292"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "city = \"Bangalore\"\n",
+ "i = 0\n",
+ "print \"Address \\t\\t\\t\\t Contents\"\n",
+ "for i in range(len(city)):\n",
+ " print id(city[i]), \"\\t\\t\\t \", city[i], city[i], city[i]"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Address \t\t\t\t Contents\n",
+ "140069470495088 \t\t\t B B B\n",
+ "140069470360920 \t\t\t a a a\n",
+ "140069470570416 \t\t\t n n n\n",
+ "140069470363320 \t\t\t g g g\n",
+ "140069470360920 \t\t\t a a a\n",
+ "140069470363160 \t\t\t l l l\n",
+ "140069470363280 \t\t\t o o o\n",
+ "140069470569656 \t\t\t r r r\n",
+ "140069470571696 \t\t\t e e e\n"
+ ]
+ }
+ ],
+ "prompt_number": 53
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 293"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "chArr = \"Pointer and Strings\"\n",
+ "chPtr = chArr\n",
+ "print \"Contents pointed by the pointer chPtr is: \", chPtr"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Contents pointed by the pointer chPtr is: Pointer and Strings\n"
+ ]
+ }
+ ],
+ "prompt_number": 55
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 293"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def usrstrlen(ptr):\n",
+ " ln = 0\n",
+ " for ele in ptr:\n",
+ " ln += 1\n",
+ " return ln\n",
+ "s1 = \"Good\"\n",
+ "print \"Length of string using standard library function\", \n",
+ "print len(s1)\n",
+ "length = usrstrlen(s1)\n",
+ "print \"Length of string using user defined function \", length"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Length of string using standard library function 4\n",
+ "Length of string using user defined function 4\n"
+ ]
+ }
+ ],
+ "prompt_number": 62
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.12, page no. 294"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "print \"Enger the string to find it's length\"\n",
+ "string = raw_input()\n",
+ "print \"String is: \", string\n",
+ "print \"It's length is : \", len(string)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enger the string to find it's length\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Visvesvaraya College\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "String is: Visvesvaraya College\n",
+ "It's length is : 20\n"
+ ]
+ }
+ ],
+ "prompt_number": 63
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 294"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def usrstrcpy(s):\n",
+ " s2 = []\n",
+ " for ele in s:\n",
+ " s2.append(ele)\n",
+ " s2 = ''.join(s2)\n",
+ " return s2\n",
+ "s1 = \"Good\"\n",
+ "s2 = s1\n",
+ "print \"Copied string using normal assignment is \", s2\n",
+ "s2 = usrstrcpy(s1)\n",
+ "print \"Copied string using user defined function is \", s2"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Copied string using normal assignment is Good\n",
+ "Copied string using user defined function is Good\n"
+ ]
+ }
+ ],
+ "prompt_number": 66
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 295"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def usrstrcat(s2, s1):\n",
+ " return s1 + s2\n",
+ "\n",
+ "s1 = \"Good\"\n",
+ "s2 = \" Morning\"\n",
+ "s3 = s1+s2\n",
+ "print \"Concatenation using normal Python addition\",\n",
+ "print s3\n",
+ "s1 = usrstrcat(s2, s1)\n",
+ "print \"concatenation using user defined function is \", s1"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Concatenation using normal Python addition Good Morning\n",
+ "concatenation using user defined function is Good Morning\n"
+ ]
+ }
+ ],
+ "prompt_number": 70
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 296"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#only user defined way is possible in Python. Normal way would return either True or False only\n",
+ "s1 = \"Good\"\n",
+ "s2 = \" Morning\"\n",
+ "if s1 < s2:\n",
+ " r = -1\n",
+ "elif s1 > s2:\n",
+ " r = 1\n",
+ "else:\n",
+ " r = 0\n",
+ "print \"Comparison of strings using user defined way is \", r"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Comparison of strings using normal python way is 1\n"
+ ]
+ }
+ ],
+ "prompt_number": 72
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 297"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "pet = [\"lion\", \"cat\"]\n",
+ "for i in range(len(pet)):\n",
+ " print id(pet[i]), pet[i]"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "52705200 lion\n",
+ "140069470362560 cat\n"
+ ]
+ }
+ ],
+ "prompt_number": 76
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.13, page no. 298"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "st = \"hello\"\n",
+ "for i in range(len(st)):\n",
+ " print st[i], \"\\t\", st[i], \"\\t\", st[i], \"\\t\", st[i] "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "h \th \th \th\n",
+ "e \te \te \te\n",
+ "l \tl \tl \tl\n",
+ "l \tl \tl \tl\n",
+ "o \to \to \to\n"
+ ]
+ }
+ ],
+ "prompt_number": 78
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.14, page no. 299"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "st = \"Good Morning\"\n",
+ "print st[3:]"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "d Morning\n"
+ ]
+ }
+ ],
+ "prompt_number": 80
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.15, page no. 299"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#not possible in Python. Skipping"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [],
+ "prompt_number": 81
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example strchr.c, page no. 300"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "string = raw_input(\"Enter a string: \")\n",
+ "c = raw_input(\"Enter character to be searched: \")\n",
+ "try:\n",
+ " i = list(string).index(c)\n",
+ " print \"%c was found in position %d\" %(c, i)\n",
+ "except:\n",
+ " pass"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter a string: House\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter character to be searched: s\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "s was found in position 3\n"
+ ]
+ }
+ ],
+ "prompt_number": 86
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example strcspn.c, page no. 302"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "string1 = \"0123456789\"\n",
+ "string2 = \"A47DCF8\"\n",
+ "c = 0\n",
+ "for ele in string2:\n",
+ " if ele in string1:\n",
+ " index = string1.index(ele)\n",
+ " break"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example strcspn.c, page no.303"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "string1 = \"0123456789\"\n",
+ "string2 = \"A32DC014\"\n",
+ "c = 0\n",
+ "for ele in string1:\n",
+ " for ele1 in string2:\n",
+ " if ele == ele1:\n",
+ " c += 1\n",
+ "print c"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example strpbrk.c, page no. 303"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import sys\n",
+ "\n",
+ "print \"Input two Strings: \"\n",
+ "str1 = raw_input(\"Str1: \")\n",
+ "str2 = raw_input(\"Str2: \")\n",
+ "\n",
+ "for ele in str1:\n",
+ " if ele in str2:\n",
+ " print \"Character found: \", ele\n",
+ " sys.exit()\n",
+ "print \"Character not found\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input two Strings: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Str1: House\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Str2: Sorrow\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Character found: o\n"
+ ]
+ },
+ {
+ "ename": "SystemExit",
+ "evalue": "",
+ "output_type": "pyerr",
+ "traceback": [
+ "An exception has occurred, use %tb to see the full traceback.\n",
+ "\u001b[1;31mSystemExit\u001b[0m\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stderr",
+ "text": [
+ "To exit: use 'exit', 'quit', or Ctrl-D.\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example strstr.c, page no. 304"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import sys\n",
+ "\n",
+ "print \"Input two Strings: \"\n",
+ "str1 = raw_input(\"Str1: \")\n",
+ "str2 = raw_input(\"Str2: \")\n",
+ "\n",
+ "if str2 in str1:\n",
+ " str1.index(str2)\n",
+ " print \"String 2 is found at position 6 in string1\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input two Strings: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Str1: I saw the cat click the mouse.\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Str2: the\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "String 2 is found at position 6 in string1\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example strtok.c, page no. 305"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "my_str = raw_input(\"Input a string, parts separated by , or ;\")\n",
+ "print \"The tokens found were: \"\n",
+ "token = ''\n",
+ "for i in range(len(my_str)):\n",
+ " if my_str[i] == ',' or my_str[i] == ';':\n",
+ " if len(token) > 0:\n",
+ " print token\n",
+ " token = ''\n",
+ " else:\n",
+ " token = token + my_str[i]\n",
+ "print token"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input a string, parts separated by , or ;;abc,defgh;;hi,jklmn;op\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The tokens found were: \n",
+ "abc\n",
+ "defgh\n",
+ "hi\n",
+ "jklmn\n",
+ "op\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.16, pag eno. 307"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def func1(i, f):\n",
+ " print i, f\n",
+ "def func2(s):\n",
+ " print s\n",
+ " \n",
+ "i = 5\n",
+ "f = 5.375\n",
+ "s = \"string\"\n",
+ "func1(i, f)\n",
+ "func2(s)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5 5.375\n",
+ "string\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 308"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def fact(m):\n",
+ " if m == 1:\n",
+ " return 1\n",
+ " else:\n",
+ " return m*fact(m-1)\n",
+ "print \"Enter the integer whose factorial is to be found: \",\n",
+ "n = int(raw_input())\n",
+ "ans = fact(n)\n",
+ "print \"Factorial of \", n, \" is \", ans"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the integer whose factorial is to be found: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "8\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Factorial of 8 is 40320\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 308"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def large(b):\n",
+ " return max(b)\n",
+ "def small(b):\n",
+ " return min(b)\n",
+ "print \"Enter the number of integers: \",\n",
+ "n = int(raw_input())\n",
+ "print \"Enter the set of integers: \"\n",
+ "a = []\n",
+ "for i in range(n):\n",
+ " a.append(int(raw_input()))\n",
+ "print \"The largest integer is: \", large(a)\n",
+ "print \"The smallest integer is: \", small(a)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the number of integers: "
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Enter the set of integers: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "0\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The largest integer is: 5\n",
+ "The smallest integer is: -7\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.17, page no. 311"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "MAX = 20\n",
+ "def print_array(a):\n",
+ " print \"The elements of the array are: \"\n",
+ " for ele in a:\n",
+ " print ele,\n",
+ "print \"Enter the number of elements: \"\n",
+ "n = int(raw_input())\n",
+ "print \"Enter the elements: \"\n",
+ "a = []\n",
+ "for i in range(n):\n",
+ " a.append(int(raw_input()))\n",
+ "if n < 0 or n > MAX:\n",
+ " print \"Invalid number of elements...\"\n",
+ "else:\n",
+ " print_array(a)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the number of elements: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the elements: \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The elements of the array are: \n",
+ "1 2 3 4 5\n"
+ ]
+ }
+ ],
+ "prompt_number": 13
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.18, page no. 313"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "def upper(instr):\n",
+ " return instr.upper()\n",
+ "def lower(instr):\n",
+ " return instr.lower()\n",
+ "instr = raw_input(\"Input a string: \")\n",
+ "print \"To upper or lower (u/l): \"\n",
+ "inchar = raw_input()\n",
+ "if inchar == 'l':\n",
+ " print \"The converted string is \\n\", lower(instr)\n",
+ "elif inchar == 'u':\n",
+ " print \"The conveerted string is \\n\", upper(instr)\n",
+ "else:\n",
+ " print \"Ivalid input...\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input a string: UVCE, Bangalore\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "To upper or lower (u/l): \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "l\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The converted string is \n",
+ "uvce, bangalore\n"
+ ]
+ }
+ ],
+ "prompt_number": 15
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
diff --git a/Mastering_C/chapter9.ipynb b/Mastering_C/chapter9.ipynb
new file mode 100644
index 00000000..9eacd97f
--- /dev/null
+++ b/Mastering_C/chapter9.ipynb
@@ -0,0 +1,1463 @@
+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:2b328a00a423d96b629425895ccbcc90fde898bdf09e6f58382db5eb59593f31"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 9: Structures & Unions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9.1, page no. 338"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "class date:\n",
+ " dat = 0\n",
+ " month = 0\n",
+ " year = 0\n",
+ "class person:\n",
+ " name = ''\n",
+ " lastnam = ''\n",
+ " birthday = date()\n",
+ " salary = 0.0\n",
+ "emprec = person()\n",
+ "birth = emprec.birthday\n",
+ "emprec.name = \"Tejaswi.V.\"\n",
+ "emprec.lastnam = \"Rajuk\"\n",
+ "emprec.birthday.day = 24\n",
+ "emprec.birthday.month = 7\n",
+ "emprec.birthday.year = 90\n",
+ "x = 6500.00\n",
+ "emprec.salary = x\n",
+ "print \"Employee Details: \"\n",
+ "print \"Name: \", emprec.name, \" \", emprec.lastnam\n",
+ "print \"Birthdate: \", emprec.birthday.day, \":\", emprec.birthday.month, \":\", emprec.birthday.year\n",
+ "print \"Salary: \", emprec.salary"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee Details: \n",
+ "Name: Tejaswi.V. Rajuk\n",
+ "Birthdate: 24 : 7 : 90\n",
+ "Salary: 6500.0\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9.2, page no. 340"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "CURRENT_YEAR = 96\n",
+ "def increment(sal, year, inc):\n",
+ " if CURRENT_YEAR - year > 30:\n",
+ " sal += inc\n",
+ " return sal\n",
+ "class date:\n",
+ " day = 0\n",
+ " month = 0\n",
+ " year = 0\n",
+ "class person:\n",
+ " name = ''\n",
+ " birthday = date()\n",
+ " salary = 0.0\n",
+ "n = 500\n",
+ "emprec = person()\n",
+ "emprec.name = 'Arun R.'\n",
+ "emprec.birthday.day = 10\n",
+ "emprec.birthday.month = 8\n",
+ "emprec.birthday.year = 64\n",
+ "emprec.salary = 4000.00\n",
+ "print \"Employee Details: \"\n",
+ "print \"Name: \", emprec.name\n",
+ "print \"Birthdate: \", emprec.birthday.day, \":\", emprec.birthday.month, \":\", emprec.birthday.year\n",
+ "print \"Salary: \", emprec.salary\n",
+ "emprec.salary = increment(emprec.salary, emprec.birthday.year, n)\n",
+ "print \"Employee Details: \"\n",
+ "print \"Name: \", emprec.name\n",
+ "print \"Birthdate: \", emprec.birthday.day, \":\", emprec.birthday.month, \":\", emprec.birthday.year\n",
+ "print \"Salary: \", emprec.salary"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee Details: \n",
+ "Name: Arun R.\n",
+ "Birthdate: 10 : 8 : 64\n",
+ "Salary: 4000.0\n",
+ "Employee Details: \n",
+ "Name: Arun R.\n",
+ "Birthdate: 10 : 8 : 64\n",
+ "Salary: 4500.0\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9.3, page no. 342"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "CURRENT_YEAR = 96\n",
+ "def increment(emprec):\n",
+ " if CURRENT_YEAR - emprec.birthday.year > 30:\n",
+ " emprec.salary += 500\n",
+ " return emprec\n",
+ "class date:\n",
+ " day = 0\n",
+ " month = 0\n",
+ " year = 0\n",
+ "class person:\n",
+ " name = ''\n",
+ " birthday = date()\n",
+ " salary = 0.0\n",
+ "emprec = person()\n",
+ "emprec.name = 'Arun R.'\n",
+ "emprec.birthday.day = 10\n",
+ "emprec.birthday.month = 8\n",
+ "emprec.birthday.year = 64\n",
+ "emprec.salary = 4000.00\n",
+ "print \"Employee Details: \"\n",
+ "print \"Name: \", emprec.name\n",
+ "print \"Birthdate: \", emprec.birthday.day, \":\", emprec.birthday.month, \":\", emprec.birthday.year\n",
+ "print \"Salary: \", emprec.salary\n",
+ "emprec = increment(emprec)\n",
+ "print \"Employee Details: \"\n",
+ "print \"Name: \", emprec.name\n",
+ "print \"Birthdate: \", emprec.birthday.day, \":\", emprec.birthday.month, \":\", emprec.birthday.year\n",
+ "print \"Salary: \", emprec.salary"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee Details: \n",
+ "Name: Arun R.\n",
+ "Birthdate: 10 : 8 : 64\n",
+ "Salary: 4000.0\n",
+ "Employee Details: \n",
+ "Name: Arun R.\n",
+ "Birthdate: 10 : 8 : 64\n",
+ "Salary: 4500.0\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9.4, page no. 343"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "class date:\n",
+ " day = 0\n",
+ " month = 0\n",
+ " year = 0\n",
+ "\n",
+ "class person:\n",
+ " name = ''\n",
+ " birthday = date()\n",
+ " salary = 0.0\n",
+ "\n",
+ "def printout(per):\n",
+ " print \"Employee Details: \"\n",
+ " print \"Name: \", per.name\n",
+ " print \"Birthdate: %3d:%3d:%3d\" %(per.birthday.day, per.birthday.month, per.birthday.year)\n",
+ " print \"Salary: %6.2f\" %(per.salary)\n",
+ "\n",
+ "def readin(record):\n",
+ " record.name = raw_input(\"Enter the name: \")\n",
+ " print \"Enter Birthdate\"\n",
+ " record.birthday.day = int(raw_input(\"Day: \"))\n",
+ " record.birthday.month = int(raw_input(\"Month: \"))\n",
+ " record.birthday.year = int(raw_input(\"Year: \"))\n",
+ " record.salary = float(raw_input(\"Enter the salary: \"))\n",
+ "\n",
+ "test = person()\n",
+ "test.name = \"Arun\"\n",
+ "test.birthday.day = 10\n",
+ "test.birthday.month = 8\n",
+ "test.birthday.year = 75\n",
+ "test.salary = 4500.00\n",
+ "temp = person()\n",
+ "readin(temp)\n",
+ "printout(test)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the name: Balaji\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Birthdate\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Day: 24\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Month: 2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Year: 74\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the salary: 6500.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee Details: \n",
+ "Name: Arun\n",
+ "Birthdate: 24: 2: 74\n",
+ "Salary: 4500.00\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9.5 page no. 344"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "class date:\n",
+ " day = 0\n",
+ " month = 0\n",
+ " year = 0\n",
+ "\n",
+ "class person:\n",
+ " name = ''\n",
+ " birthday = date()\n",
+ " salary = 0.0\n",
+ "\n",
+ "def printout(per):\n",
+ " print \"Employee Details: \"\n",
+ " print \"Name: \", per.name\n",
+ " print \"Birthdate: %3d:%3d:%3d\" %(per.birthday.day, per.birthday.month, per.birthday.year)\n",
+ " print \"Salary: %6.2f\" %(per.salary)\n",
+ "\n",
+ "def readin(record):\n",
+ " record.name = raw_input(\"Enter the name: \")\n",
+ " print \"Enter Birthdate\"\n",
+ " record.birthday.day = int(raw_input(\"Day: \"))\n",
+ " record.birthday.month = int(raw_input(\"Month: \"))\n",
+ " record.birthday.year = int(raw_input(\"Year: \"))\n",
+ " record.salary = float(raw_input(\"Enter the salary: \"))\n",
+ "\n",
+ "test = person()\n",
+ "test.name = \"Arun\"\n",
+ "test.birthday.day = 10\n",
+ "test.birthday.month = 8\n",
+ "test.birthday.year = 75\n",
+ "test.salary = 4500.00\n",
+ "temp = person()\n",
+ "readin(temp)\n",
+ "printout(temp)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the name: Balaji\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Birthdate\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Day: 24\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Month: 2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Year: 74\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the salary: 6500.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee Details: \n",
+ "Name: Balaji\n",
+ "Birthdate: 24: 2: 74\n",
+ "Salary: 6500.00\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9.6, page no. 346"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "class date:\n",
+ " day = 0\n",
+ " month = 0\n",
+ " year = 0\n",
+ "\n",
+ "class person:\n",
+ " name = ''\n",
+ " birthday = date()\n",
+ " salary = 0.0\n",
+ " \n",
+ " def __init__(self, n, dt, sal):\n",
+ " self.name = n\n",
+ " self.birthday.day = dt[0]\n",
+ " self.birthday.month = dt[1]\n",
+ " self.birthday.year = dt[2]\n",
+ " self.salary = sal\n",
+ "\n",
+ "def printout(per):\n",
+ " print \"Employee Details: \"\n",
+ " print \"Name: \", per.name\n",
+ " print \"Birthdate: %3d:%3d:%3d\" %(per.birthday.day, per.birthday.month, per.birthday.year)\n",
+ " print \"Salary: %6.2f\" %(per.salary)\n",
+ "\n",
+ "def highest(sals):\n",
+ " return max(sals)\n",
+ " \n",
+ "record = [[\"Arun R.\", 10, 8, 75, 4000.00],\n",
+ " [\"vinod S.\", 3, 10, 74, 3000.00],\n",
+ " [\"Tanuj M.\", 21, 1, 73, 5500.00]]\n",
+ "\n",
+ "emp1 = person(record[0][0], (record[0][1], record[0][2], record[0][3]), record[0][4])\n",
+ "emp2 = person(record[1][0], (record[1][1], record[1][2], record[1][3]), record[1][4])\n",
+ "emp3 = person(record[2][0], (record[2][1], record[2][2], record[2][3]), record[2][4])\n",
+ "\n",
+ "sals = [emp1.salary, emp2.salary, emp3.salary]\n",
+ "\n",
+ "highest = highest(sals)\n",
+ "print \"The highest salary being paid is %6.2f\" %highest\n",
+ "printout(emp3)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The highest salary being paid is 5500.00\n",
+ "Employee Details: \n",
+ "Name: Tanuj M.\n",
+ "Birthdate: 21: 1: 73\n",
+ "Salary: 5500.00\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9.7, page no. 347"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "class date:\n",
+ " day = 0\n",
+ " month = 0\n",
+ " year = 0\n",
+ "\n",
+ "class person:\n",
+ " name = ''\n",
+ " birthday = date()\n",
+ " salary = 0.0\n",
+ "\n",
+ "def readin(rec, list1):\n",
+ " rec.name = list1[0]\n",
+ " rec.birthday.day = list1[1]\n",
+ " rec.birthday.month = list1[2]\n",
+ " rec.birthday.year = list1[3]\n",
+ " rec.salary = list1[4]\n",
+ "\n",
+ " \n",
+ "def printout(per):\n",
+ " print \"Employee Details: \"\n",
+ " print \"Name: \", per.name\n",
+ " print \"Birthdate: %3d:%3d:%3d\" %(per.birthday.day, per.birthday.month, per.birthday.year)\n",
+ " print \"Salary: %6.2f\" %(per.salary)\n",
+ "\n",
+ "def highest(sals):\n",
+ " return max(sals)\n",
+ " \n",
+ "record = [[\"Tejaswi\", 24, 7, 70, 7000.00],\n",
+ " [\"vinod S.\", 3, 10, 74, 3000.00],\n",
+ " [\"Tanuj M.\", 21, 1, 73, 5500.00]]\n",
+ "\n",
+ "emp1 = person()\n",
+ "readin(emp1, record[0])\n",
+ "print emp1.birthday.day\n",
+ "emp2 = person()\n",
+ "readin(emp2, record[1])\n",
+ "emp3 = person()\n",
+ "readin(emp3, record[2])\n",
+ "\n",
+ "highest = highest([emp1.salary, emp2.salary, emp3.salary])\n",
+ "temp = emp1\n",
+ "print \"Highest salary being paid is \", highest\n",
+ "printout(temp)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "24\n",
+ "Highest salary being paid is 7000.0\n",
+ "Employee Details: \n",
+ "Name: Tejaswi\n",
+ "Birthdate: 21: 1: 73\n",
+ "Salary: 7000.00\n"
+ ]
+ }
+ ],
+ "prompt_number": 13
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9.8, page no. 349"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "class date:\n",
+ " day = 0\n",
+ " month = 0\n",
+ " year = 0\n",
+ "\n",
+ "class person:\n",
+ " name = ''\n",
+ " birthday = date()\n",
+ " salary = 0.0\n",
+ "\n",
+ "def readin():\n",
+ " record = []\n",
+ " for i in range(3):\n",
+ " print \"Employee no. \", i+1\n",
+ " temp = person()\n",
+ " temp.name = raw_input(\"Enter the name: \")\n",
+ " print \"Enter Birthdate\"\n",
+ " temp.birthday.day = int(raw_input(\"Day: \"))\n",
+ " temp.birthday.month = int(raw_input(\"Month: \"))\n",
+ " temp.birthday.year = int(raw_input(\"Year: \"))\n",
+ " temp.salary = float(raw_input(\"Enter the salary: \"))\n",
+ " record.append(temp)\n",
+ " return record\n",
+ "\n",
+ "def printout(per):\n",
+ " print \"Employee Details: \"\n",
+ " print \"Name: \", per.name\n",
+ " print \"Birthdate: %3d:%3d:%3d\" %(per.birthday.day, per.birthday.month, per.birthday.year)\n",
+ " print \"Salary: %6.2f\" %(per.salary)\n",
+ "\n",
+ "record = readin()\n",
+ "for i in range(3):\n",
+ " printout(record[i])\n",
+ " print \"hit enter to continue...\"\n",
+ " raw_input()\n",
+ " \n",
+ "#there is a printing mistake in the book"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee no. 1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the name: Balaji\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Birthdate\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Day: 24\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Month: 2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Year: 74\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the salary: 6500.50\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee no. 2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the name: Tarun\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Birthdate\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Day: 30\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Month: 9\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Year: 69\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the salary: 6890.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee no. 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the name: Vinod\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Birthdate\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Day: 7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Month: 6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Year: 70\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the salary: 6700.00\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee Details: \n",
+ "Name: Balaji\n",
+ "Birthdate: 7: 6: 70\n",
+ "Salary: 6500.50\n",
+ "hit enter to continue...\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee Details: \n",
+ "Name: Tarun\n",
+ "Birthdate: 7: 6: 70\n",
+ "Salary: 6890.00\n",
+ "hit enter to continue...\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee Details: \n",
+ "Name: Vinod\n",
+ "Birthdate: 7: 6: 70\n",
+ "Salary: 6700.00\n",
+ "hit enter to continue...\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 17
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 9.9, page no. 351"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "class date:\n",
+ " day = 0\n",
+ " month = 0\n",
+ " year = 0\n",
+ "\n",
+ "class person:\n",
+ " name = ''\n",
+ " birthday = date()\n",
+ " salary = 0.0\n",
+ "\n",
+ "def readin(n):\n",
+ " record = []\n",
+ " for i in range(n):\n",
+ " print \"Employee no. \", i+1\n",
+ " temp = person()\n",
+ " temp.name = raw_input(\"Enter the name: \")\n",
+ " print \"Enter Birthdate\"\n",
+ " temp.birthday.day = int(raw_input(\"Day: \"))\n",
+ " temp.birthday.month = int(raw_input(\"Month: \"))\n",
+ " temp.birthday.year = int(raw_input(\"Year: \"))\n",
+ " temp.salary = float(raw_input(\"Enter the salary: \"))\n",
+ " record.append(temp)\n",
+ " return record\n",
+ "\n",
+ "def printout(record):\n",
+ " for i in range(n):\n",
+ " print \"Employee Details: \"\n",
+ " print \"Name: \", record[i].name\n",
+ " print \"Birthdate: %3d:%3d:%3d\" %(record[i].birthday.day, record[i].birthday.month, record[i].birthday.year)\n",
+ " print \"Salary: %6.2f\" %(record[i].salary)\n",
+ "\n",
+ "def sortalpha(rec):\n",
+ " for i in range(n-1):\n",
+ " for j in range(n-i-1):\n",
+ " if rec[j].name > rec[j+1].name:\n",
+ " rec[j], rec[j+1] = rec[j+1], rec[j]\n",
+ " return rec\n",
+ "\n",
+ "def sortage(rec):\n",
+ " for i in range(n-1):\n",
+ " for j in range(n-i-1):\n",
+ " if (rec[j].birthday.year > rec[j+1].birthday.year or rec[j].birthday.year == rec[j+1].birthday.year and\n",
+ " rec[j].birthday.month > rec[j+1].birthday.month or rec[j].birthday.month == rec[j+1].birthday.month and\n",
+ " rec[j].birthday.day > rec[j+1].birthday.day or rec[j].birthday.day == rec[j+1].birthday.day):\n",
+ " rec[j], rec[j+1] = rec[j+1], rec[j]\n",
+ " return rec\n",
+ "\n",
+ "def sortsal(rec):\n",
+ " for i in range(n-1):\n",
+ " for j in range(n-i-1):\n",
+ " if rec[j].salary > rec[j+1].salary:\n",
+ " rec[j], rec[j+1] = rec[j+1], rec[j]\n",
+ " return rec\n",
+ "\n",
+ "n = int(raw_input(\"Enter the number of records: \"))\n",
+ "record = readin(n)\n",
+ "\n",
+ "flag = True\n",
+ "while(flag):\n",
+ " print \"1: SORT BY NAME\"\n",
+ " print \"2: SORT BY AGE\"\n",
+ " print \"3: SORT BY SALARY\"\n",
+ " print \"4: QUIT \"\n",
+ " i = int(raw_input(\"Enter your choice: \"))\n",
+ " if i == 1:\n",
+ " sorted_rec = sortalpha(record)\n",
+ " printout(sorted_rec)\n",
+ " elif i == 2:\n",
+ " sorted_rec = sortage(record)\n",
+ " printout(sorted_rec)\n",
+ " elif i == 3:\n",
+ " sorted_rec = sortsal(record)\n",
+ " printout(sorted_rec)\n",
+ " elif i == 4:\n",
+ " flag = False\n",
+ " break\n",
+ " else:\n",
+ " print \"invalid choice...\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the number of records: 5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee no. 1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the name: Vinod\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Birthdate\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Day: 23\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Month: 8\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Year: 74\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the salary: 6500\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee no. 2\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the name: Arun\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Birthdate\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Day: 10\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Month: 5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Year: 70\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the salary: 7000\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee no. 3\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the name: Puneet\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Birthdate\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Day: 30\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Month: 6\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Year: 74\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the salary: 6900\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee no. 4\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the name: Tanuj\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Birthdate\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Day: 7\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Month: 1\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Year: 70\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the salary: 7700\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee no. 5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the name: Rohit\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter Birthdate\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Day: 17\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Month: 12\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Year: 73\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the salary: 6800\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1: SORT BY NAME\n",
+ "2: SORT BY AGE\n",
+ "3: SORT BY SALARY\n",
+ "4: QUIT \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter your choice: 1\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee Details: \n",
+ "Name: Arun\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 7000.00\n",
+ "Employee Details: \n",
+ "Name: Puneet\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 6900.00\n",
+ "Employee Details: \n",
+ "Name: Rohit\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 6800.00\n",
+ "Employee Details: \n",
+ "Name: Tanuj\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 7700.00\n",
+ "Employee Details: \n",
+ "Name: Vinod\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 6500.00\n",
+ "1: SORT BY NAME\n",
+ "2: SORT BY AGE\n",
+ "3: SORT BY SALARY\n",
+ "4: QUIT \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter your choice: 2\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee Details: \n",
+ "Name: Vinod\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 6500.00\n",
+ "Employee Details: \n",
+ "Name: Tanuj\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 7700.00\n",
+ "Employee Details: \n",
+ "Name: Rohit\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 6800.00\n",
+ "Employee Details: \n",
+ "Name: Puneet\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 6900.00\n",
+ "Employee Details: \n",
+ "Name: Arun\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 7000.00\n",
+ "1: SORT BY NAME\n",
+ "2: SORT BY AGE\n",
+ "3: SORT BY SALARY\n",
+ "4: QUIT \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter your choice: 33\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "invalid choice...\n",
+ "1: SORT BY NAME\n",
+ "2: SORT BY AGE\n",
+ "3: SORT BY SALARY\n",
+ "4: QUIT \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter your choice: 3\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee Details: \n",
+ "Name: Vinod\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 6500.00\n",
+ "Employee Details: \n",
+ "Name: Rohit\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 6800.00\n",
+ "Employee Details: \n",
+ "Name: Puneet\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 6900.00\n",
+ "Employee Details: \n",
+ "Name: Arun\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 7000.00\n",
+ "Employee Details: \n",
+ "Name: Tanuj\n",
+ "Birthdate: 17: 12: 73\n",
+ "Salary: 7700.00\n",
+ "1: SORT BY NAME\n",
+ "2: SORT BY AGE\n",
+ "3: SORT BY SALARY\n",
+ "4: QUIT \n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter your choice: 4\n"
+ ]
+ }
+ ],
+ "prompt_number": 23
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example mem.c, page no. 359"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Note: There is no concept of unions in Python. We will implment using classes\n",
+ "\n",
+ "import sys\n",
+ "\n",
+ "class emp:\n",
+ " name = ''\n",
+ " idno = 0\n",
+ " salary = 0.0\n",
+ "\n",
+ "class desc:\n",
+ " name = ''\n",
+ " idno = 0\n",
+ " salary = 0.0\n",
+ "\n",
+ "e = emp()\n",
+ "d = desc()\n",
+ " \n",
+ "print \"The size of the structure is \", sys.getsizeof(e)\n",
+ "print \"The size of the union is \", sys.getsizeof(d)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The size of the structure is 72\n",
+ "The size of the union is 72\n"
+ ]
+ }
+ ],
+ "prompt_number": 24
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example on page no. 359"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "class desc:\n",
+ " name = ''\n",
+ " idno = 0\n",
+ " salary = 0.0\n",
+ "\n",
+ "des = desc()\n",
+ "des.name = 'Vinod'\n",
+ "print \"Employee Details: \"\n",
+ "print \"The name is \", des.name\n",
+ "print \"The idno is \", des.idno\n",
+ "print \"The salary is \", des.salary\n",
+ "des.idno = 10\n",
+ "print \"Employee Details: \"\n",
+ "print \"The name is \", des.name\n",
+ "print \"The idno is \", des.idno\n",
+ "print \"The salary is \", des.salary\n",
+ "des.salary = 6500.00\n",
+ "print \"Employee Details: \"\n",
+ "print \"The name is \", des.name\n",
+ "print \"The idno is \", des.idno\n",
+ "print \"The salary is \", des.salary\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Employee Details: \n",
+ "The name is Vinod\n",
+ "The idno is 0\n",
+ "The salary is 0.0\n",
+ "Employee Details: \n",
+ "The name is Vinod\n",
+ "The idno is 10\n",
+ "The salary is 0.0\n",
+ "Employee Details: \n",
+ "The name is Vinod\n",
+ "The idno is 10\n",
+ "The salary is 6500.0\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
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generated by cgit (git 2.34.1) at 2024-12-20 05:05:39 +0000