From 5a3a66e158c99bbf7900278d8e7056136d628dbe Mon Sep 17 00:00:00 2001 From: root Date: Mon, 14 Jul 2014 15:31:28 +0530 Subject: adding books --- Schaum's_Outlines:_Programming_with_C++/ch8.ipynb | 1064 +++++++++++++++++++++ 1 file changed, 1064 insertions(+) create mode 100755 Schaum's_Outlines:_Programming_with_C++/ch8.ipynb (limited to 'Schaum's_Outlines:_Programming_with_C++/ch8.ipynb') diff --git a/Schaum's_Outlines:_Programming_with_C++/ch8.ipynb b/Schaum's_Outlines:_Programming_with_C++/ch8.ipynb new file mode 100755 index 00000000..2b83cace --- /dev/null +++ b/Schaum's_Outlines:_Programming_with_C++/ch8.ipynb @@ -0,0 +1,1064 @@ +{ + "metadata": { + "name": "ch8" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 8: C- Strings" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.1, page no. 184" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "n= [44] # n holds the int 44\n", + "print \"int n=44; // n holds the int 44:\\n\";\n", + "print \"\\t\\t n = \" , n \n", + "print \"\\t\\t &n = \" , hex(id(n))\n", + "pn = n \n", + "print \"int* pn=&n; // pn holds the address of n:\\n\";\n", + "print \"\\t\\t n = \" , n \n", + "print \"\\t\\t &n = \" , hex(id(n))\n", + "print \"\\t\\t pn = \" , hex(id(pn)) \n", + "print \"\\t\\t &pn = \" , hex(id(hex(id(pn))))\n", + "print \"\\t\\t *pn = \" , pn\n", + "\n", + "pn[0] = 77 # changes the value of n to 77\n", + "print \"*pn = 77; // changes the value of n to 77:\\n\";\n", + "print \"\\t\\t n = \" , n \n", + "print \"\\t\\t &n = \" , hex(id(n))\n", + "print \"\\t\\t pn = \" , hex(id(pn)) \n", + "print \"\\t\\t &pn = \" , hex(id(hex(id(pn))))\n", + "print \"\\t\\t *pn = \" , pn\n", + "\n", + "q = n \n", + "print \"int* q=&n; // q also holds the address of n:\\n\";\n", + "print \"\\t\\t n = \" , n \n", + "print \"\\t\\t &n = \" , hex(id(n))\n", + "print \"\\t\\t pn = \" , hex(id(pn)) \n", + "print \"\\t\\t &pn = \" , hex(id(hex(id(pn))))\n", + "print \"\\t\\t *pn = \" , pn\n", + "print \"\\t\\t q = \" , hex(id(q))\n", + "print \"\\t\\t &q = \" , hex(id(hex(id(hex(id(pn))))))\n", + "print \"\\t\\t *q = \" , q \n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "int n=44; // n holds the int 44:\n", + "\n", + "\t\t n = [44]\n", + "\t\t &n = 0x9bfb92c\n", + "int* pn=&n; // pn holds the address of n:\n", + "\n", + "\t\t n = [44]\n", + "\t\t &n = 0x9bfb92c\n", + "\t\t pn = 0x9bfb92c\n", + "\t\t &pn = 0x9bf5aa0\n", + "\t\t *pn = [44]\n", + "*pn = 77; // changes the value of n to 77:\n", + "\n", + "\t\t n = [77]\n", + "\t\t &n = 0x9bfb92c\n", + "\t\t pn = 0x9bfb92c\n", + "\t\t &pn = 0x9c6a760\n", + "\t\t *pn = [77]\n", + "int* q=&n; // q also holds the address of n:\n", + "\n", + "\t\t n = [77]\n", + "\t\t &n = 0x9bfb92c\n", + "\t\t pn = 0x9bfb92c\n", + "\t\t &pn = 0x9bf5c80\n", + "\t\t *pn = [77]\n", + "\t\t q = 0x9bfb92c\n", + "\t\t &q = 0x9c6a760\n", + "\t\t *q = [77]\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.2, page no. 185" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "s = \"ABCD\"\n", + "for i in range(4):\n", + " print \"s[\" , i , \"] = '\" , s[i] , \"'\\n\";\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "s[ 0 ] = ' A '\n", + "\n", + "s[ 1 ] = ' B '\n", + "\n", + "s[ 2 ] = ' C '\n", + "\n", + "s[ 3 ] = ' D '\n", + "\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.3, page no. 186" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "while True:\n", + " word = raw_input()\n", + " if len(word) < 2:\n", + " break\n", + " l = word.split(' ')\n", + " for i in l:\n", + " print '\\t\"' , i , '\"'\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Today's date is March 12, 2000.\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\t\" Today's \"\n", + "\t\" date \"\n", + "\t\" is \"\n", + "\t\" March \"\n", + "\t\" 12, \"\n", + "\t\" 2000. \"\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Tomorrow is Monday.\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\t\" Tomorrow \"\n", + "\t\" is \"\n", + "\t\" Monday. \"\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.4, page no. 187" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "while True:\n", + " line = raw_input()\n", + " if len(line) < 2:\n", + " break\n", + " print \"\\t[\" , line , \"]\"\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Once upon a midnight dreary, while I pondered, weak and weary,\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\t[ Once upon a midnight dreary, while I pondered, weak and weary, ]\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Over a many quaint and curious volume of forgotten lore,\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\t[ Over a many quaint and curious volume of forgotten lore, ]\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n" + ] + } + ], + "prompt_number": 7 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.5, page no. 187" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "while True:\n", + " word = raw_input()\n", + " if len(word) < 2:\n", + " break\n", + " l = word.split(',')\n", + " for i in range(len(l)-1):\n", + " print '\\t[' , l[i] , ']'\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Once upon a midnight dreary, while I pondered, weak and weary,\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\t[ Once upon a midnight dreary ]\n", + "\t[ while I pondered ]\n", + "\t[ weak and weary ]\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Over a many quaint and curious volume of forgotten lore,\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\t[ Over a many quaint and curious volume of forgotten lore ]\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n" + ] + } + ], + "prompt_number": 8 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.6, page no. 188" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "count = 0\n", + "while True:\n", + " a = raw_input()\n", + " if len(a) < 1:\n", + " break\n", + " for ch in a:\n", + " if (ch == 'e'): count+=1\n", + " \n", + "print count , \" e's were counted.\\n\"\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Once upon a midnight dreary, while I pondered, weak and weary,\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Over many a quaint and curious volume of forgotten lore,\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "11 e's were counted.\n", + "\n" + ] + } + ], + "prompt_number": 9 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.7, page no. 188" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "while True:\n", + " a = raw_input()\n", + " if len(a) < 1:\n", + " break\n", + " print a.title()\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Fourscore and seven years ago our fathers\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Fourscore And Seven Years Ago Our Fathers\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "brought forth upon this continent a new nation,\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Brought Forth Upon This Continent A New Nation,\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n" + ] + } + ], + "prompt_number": 10 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.8, page no. 189" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "a = raw_input()\n", + "l = a.split(' ')\n", + "nos = []\n", + "for i in l:\n", + " try:\n", + " i = int(i)\n", + " nos.append(i)\n", + " except:\n", + " continue\n", + "m = nos[0]\n", + "n = nos[1] \n", + "print m , \" + \" , n , \" = \" , m+n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "what is 305 plus 9416 ?\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "305 + 9416 = 9721\n" + ] + } + ], + "prompt_number": 11 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.10, page no. 191" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "count=0\n", + "\n", + "print \"Enter at most 4 names with at most 19 characters:\\n\";\n", + "while (True):\n", + " n = raw_input()\n", + " if len(n) < 1:\n", + " break\n", + " name.append(n)\n", + " count += 1\n", + " \n", + "print \"The names are:\\n\"\n", + "for i in range(count):\n", + " print \"\\t\" , i , \". [\" , name[i] , \"]\" \n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter at most 4 names with at most 19 characters:\n", + "\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "George Washington\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "John Adams\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Thomas Jefferson\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The names are:\n", + "\n", + "\t0 . [ George Washington ]\n", + "\t1 . [ John Adams ]\n", + "\t2 . [ Thomas Jefferson ]\n" + ] + } + ], + "prompt_number": 12 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.11, page no. 192" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "name = []\n", + "count=0\n", + "\n", + "print \"Enter at most 4 names with at most 19 characters:\\n\";\n", + "while (True):\n", + " n = raw_input()\n", + " if len(n) < 1:\n", + " break\n", + " name.append(n)\n", + " count += 1\n", + " \n", + "print \"The names are:\\n\"\n", + "for i in range(count):\n", + " print \"\\t\" , i , \". [\" , name[i] , \"]\" " + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter at most 4 names with at most 19 characters:\n", + "\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "George Washington\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "John Adams\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Thomas Jefferson\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The names are:\n", + "\n", + "\t0 . [ George Washington ]\n", + "\t1 . [ John Adams ]\n", + "\t2 . [ Thomas Jefferson ]\n" + ] + } + ], + "prompt_number": 13 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.12, page no. 193" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "name = [ \"George Washington\", \"John Adams\", \"Thomas Jefferson\"]\n", + "print \"The names are:\\n\"\n", + "for i in range(3):\n", + " print \"\\t\" , i , \". [\" , name[i] , \"]\"\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The names are:\n", + "\n", + "\t0 . [ George Washington ]\n", + "\t1 . [ John Adams ]\n", + "\t2 . [ Thomas Jefferson ]\n" + ] + } + ], + "prompt_number": 14 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.13, page no. 193" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "s = \"ABCDEFG\"\n", + "print \"len(\" , s , \") = \" , len(s) \n", + "print \"len(\\\"\\\") = \" , len(\"\")\n", + "print \"Enter string: \"\n", + "b = raw_input()\n", + "print \"len(\" , b , \") = \" , len(b)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "len( ABCDEFG ) = 7\n", + "len(\"\") = 0\n", + "Enter string: \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "hello how are you !!!\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "len( hello how are you !!! ) = 21\n" + ] + } + ], + "prompt_number": 15 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.14, page no. 194" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "s = \"The Mississippi is a long river.\"\n", + "print 's = \"' , s , '\"'\n", + "p = s.find(' ')\n", + "print \"find(s, ' ') points to s[\" , p , \"].\"\n", + "p = s.find('s')\n", + "print \"find(s, 's') points to s[\" , p , \"].\"\n", + "p = s.rfind('s')\n", + "print \"reverse find(s, 's') points to s[\" , p , \"].\"\n", + "p = s.find(\"is\")\n", + "print \"strstr(s, \\\"is\\\") points to s[\" , p , \"].\"\n", + "p = s.find(\"isi\")\n", + "if p== -1:\n", + " print 's.find(\"isi\") returns NULL'\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "s = \" The Mississippi is a long river. \"\n", + "find(s, ' ') points to s[ 3 ].\n", + "find(s, 's') points to s[ 6 ].\n", + "reverse find(s, 's') points to s[ 17 ].\n", + "strstr(s, \"is\") points to s[ 5 ].\n", + "s.find(\"isi\") returns NULL\n" + ] + } + ], + "prompt_number": 16 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.15, page no. 195" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "s1 = \"ABCDEFG\"\n", + "s2 = \"XYZ\" \n", + "print \"Before strcpy(s1,s2):\\n\" \n", + "print \"\\ts1 = [\" , s1 , \"], length = \" , len(s1) \n", + "print \"\\ts2 = [\" , s2 , \"], length = \" , len(s2) \n", + "s1 = s2\n", + "print \"After strcpy(s1,s2):\\n\" \n", + "print \"\\ts1 = [\" , s1 , \"], length = \" , len(s1) \n", + "print \"\\ts2 = [\" , s2 , \"], length = \" , len(s2) \n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Before strcpy(s1,s2):\n", + "\n", + "\ts1 = [ ABCDEFG ], length = 7\n", + "\ts2 = [ XYZ ], length = 3\n", + "After strcpy(s1,s2):\n", + "\n", + "\ts1 = [ XYZ ], length = 3\n", + "\ts2 = [ XYZ ], length = 3\n" + ] + } + ], + "prompt_number": 17 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.16, page no. 195" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "s1 = \"ABCDEFG\"\n", + "s2 = \"XYZ\" \n", + "print \"Before strcpy(s1,s2,2):\\n\" \n", + "print \"\\ts1 = [\" , s1 , \"], length = \" , len(s1) \n", + "print \"\\ts2 = [\" , s2 , \"], length = \" , len(s2) \n", + "s1 = s2[:2] + s1[2:]\n", + "print \"After strcpy(s1,s2,2):\\n\" \n", + "print \"\\ts1 = [\" , s1 , \"], length = \" , len(s1) \n", + "print \"\\ts2 = [\" , s2 , \"], length = \" , len(s2) \n", + "\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Before strcpy(s1,s2,2):\n", + "\n", + "\ts1 = [ ABCDEFG ], length = 7\n", + "\ts2 = [ XYZ ], length = 3\n", + "After strcpy(s1,s2,2):\n", + "\n", + "\ts1 = [ XYCDEFG ], length = 7\n", + "\ts2 = [ XYZ ], length = 3\n" + ] + } + ], + "prompt_number": 18 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.17, page no. 196" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "s1 = \"ABCDEFG\"\n", + "s2 = \"XYZ\" \n", + "print \"Before string concatination :\\n\" \n", + "print \"\\ts1 = [\" , s1 , \"], length = \" , len(s1) \n", + "print \"\\ts2 = [\" , s2 , \"], length = \" , len(s2) \n", + "s1 += s2\n", + "print \"After string concatination :\" \n", + "print \"\\ts1 = [\" , s1 , \"], length = \" , len(s1) \n", + "print \"\\ts2 = [\" , s2 , \"], length = \" , len(s2) " + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Before string concatination :\n", + "\n", + "\ts1 = [ ABCDEFG ], length = 7\n", + "\ts2 = [ XYZ ], length = 3\n", + "After string concatination :\n", + "\ts1 = [ ABCDEFGXYZ ], length = 10\n", + "\ts2 = [ XYZ ], length = 3\n" + ] + } + ], + "prompt_number": 19 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.18, page no. 197" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "s1 = \"ABCDEFG\"\n", + "s2 = \"XYZ\" \n", + "print \"Before string concatination :\\n\" \n", + "print \"\\ts1 = [\" , s1 , \"], length = \" , len(s1) \n", + "print \"\\ts2 = [\" , s2 , \"], length = \" , len(s2) \n", + "s1 += s2[:2]\n", + "print \"After string concatination :\" \n", + "print \"\\ts1 = [\" , s1 , \"], length = \" , len(s1) \n", + "print \"\\ts2 = [\" , s2 , \"], length = \" , len(s2) " + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Before string concatination :\n", + "\n", + "\ts1 = [ ABCDEFG ], length = 7\n", + "\ts2 = [ XYZ ], length = 3\n", + "After string concatination :\n", + "\ts1 = [ ABCDEFGXY ], length = 9\n", + "\ts2 = [ XYZ ], length = 3\n" + ] + } + ], + "prompt_number": 20 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.19, page no. 197" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "s = \"Today's date is March 12, 2000.\"\n", + "\n", + "print \"The string is: [\" , s , \"] \\nIts tokens are: \"\n", + "p = s.split(\" \")\n", + "\n", + "for i in p:\n", + " print \"\\t[\" , i , \"] \"\n", + "\n", + "print \"Now the string is: [\" , p[0] , \"] \";\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The string is: [ Today's date is March 12, 2000. ] \n", + "Its tokens are: \n", + "\t[ Today's ] \n", + "\t[ date ] \n", + "\t[ is ] \n", + "\t[ March ] \n", + "\t[ 12, ] \n", + "\t[ 2000. ] \n", + "Now the string is: [ Today's ] \n" + ] + } + ], + "prompt_number": 21 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.20, page no. 199" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "def strpbrk(s,s1):\n", + " found = []\n", + " for i in range(len(s1)):\n", + " if s1[i] in s:\n", + " index = s.find(s1[i])\n", + " found.append(index)\n", + " if found:\n", + " return min(found)\n", + " return None\n", + " \n", + "\n", + "s = \"The Mississippi is a long river.\"\n", + "print 's = \"' , s , '\"'\n", + "p = strpbrk(s, \"nopqr\")\n", + "print 'strpbrk(s, \"nopqr\") points to s[' , p , \"].\"\n", + "p = strpbrk(s, \"NOPQR\")\n", + "if (p == None):\n", + " print 'strpbrk(s, \"NOPQR\") returns NULL.\\n'" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "s = \" The Mississippi is a long river. \"\n", + "strpbrk(s, \"nopqr\") points to s[ 12 ].\n", + "strpbrk(s, \"NOPQR\") returns NULL.\n", + "\n" + ] + } + ], + "prompt_number": 22 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit