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diff --git a/Schaum's_Outlines:_Programming_with_C++/ch5.ipynb b/Schaum's_Outlines:_Programming_with_C++/ch5.ipynb new file mode 100755 index 00000000..1fddf23f --- /dev/null +++ b/Schaum's_Outlines:_Programming_with_C++/ch5.ipynb @@ -0,0 +1,1746 @@ +{ + "metadata": { + "name": "" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 5: Functions\n" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.1, Page no:87" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "import math\n", + "\n", + "# tests the sqrt() function:\n", + "for i in range(0,6):\n", + " print \"\\t %d \\t %f\" %(i,math.sqrt(i))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\t 0 \t 0.000000\n", + "\t 1 \t 1.000000\n", + "\t 2 \t 1.414214\n", + "\t 3 \t 1.732051\n", + "\t 4 \t 2.000000\n", + "\t 5 \t 2.236068\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.2, Page no:88" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "import math\n", + "# tests the identity sin 2x = 2 sin x cos x:\n", + "x = 0\n", + "while x < 2:\n", + " print \"%f \\t\\t %f \\t %f\" %(x,math.sin(2*x),2*math.sin(x)*math.cos(x))\n", + " x += 0.2\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "0.000000 \t\t 0.000000 \t 0.000000\n", + "0.200000 \t\t 0.389418 \t 0.389418\n", + "0.400000 \t\t 0.717356 \t 0.717356\n", + "0.600000 \t\t 0.932039 \t 0.932039\n", + "0.800000 \t\t 0.999574 \t 0.999574\n", + "1.000000 \t\t 0.909297 \t 0.909297\n", + "1.200000 \t\t 0.675463 \t 0.675463\n", + "1.400000 \t\t 0.334988 \t 0.334988\n", + "1.600000 \t\t -0.058374 \t -0.058374\n", + "1.800000 \t\t -0.442520 \t -0.442520\n", + "2.000000 \t\t -0.756802 \t -0.756802\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.3, Page no:90" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "def cube(x):\n", + " # returns cube of x:\n", + " return x*x*x\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.4, Page no:91" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "def cube(x):\n", + " # returns cube of x:\n", + " return x*x*x\n", + "\n", + "# tests the cube() function:\n", + "n=1\n", + "while (n != 0):\n", + " n = int(raw_input())\n", + " print \"\\tcube( %d ) = %d\" %(n,cube(n))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "4\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\tcube( 4 ) = 64\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "2\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\tcube( 2 ) = 8\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "9\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\tcube( 9 ) = 729\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "0\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\tcube( 0 ) = 0\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.5, Page no:90" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "def maximum(x,y):\n", + " # returns larger of the two given integers:\n", + " if (x < y):\n", + " return y\n", + " else:\n", + " return x\n", + "\n", + "# tests the max() function:\n", + "m = 1\n", + "n = 1\n", + "while m != 0: \n", + " m = int(raw_input())\n", + " n = int(raw_input())\n", + " print \"\\tmax( %d , %d ) = %d\" %(m,n,maximum(m,n))\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "5\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "2\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\tmax( 5 , 2 ) = 5\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "0\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "3\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\tmax( 0 , 3 ) = 3\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.6, Page no:93" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "def maximum(x,y):\n", + " # returns larger of the two given integers:\n", + " if (x < y):\n", + " return y\n", + " else:\n", + " return x\n", + "\n", + "# tests the max() function:\n", + "m = 1\n", + "n = 1\n", + "while m != 0: \n", + " m = int(raw_input())\n", + " n = int(raw_input())\n", + " print \"\\tmax( %d , %d ) = %d\" %(m,n,maximum(m,n))\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "5\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "2\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\tmax( 5 , 2 ) = 5\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "0\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "3\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\tmax( 0 , 3 ) = 3\n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.8, Page no:94" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "\n", + "# returns larger of the two given integers:\n", + "\n", + "m = 1\n", + "n = 1\n", + "while m!=0:\n", + " m = int(raw_input())\n", + " n = int(raw_input())\n", + " print \"\\tmax(%d,%d) = %d\" %(m,n, max(m,n))\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "5\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "4\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\tmax(5,4) = 5\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "4\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "3\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\tmax(4,3) = 4\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "8\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "0\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\tmax(8,0) = 8\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "0\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "5\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\tmax(0,5) = 5\n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.9, Page no:95" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "def fact(n):\n", + " if (n < 0):\n", + " return 0\n", + " f = 1\n", + " while (n > 1):\n", + " f *= n\n", + " n -= 1\n", + " return f\n", + "\n", + "for i in range(-1,6):\n", + " print fact(i),\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "0 1 1 2 6 24 120\n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.10, Page no:95" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "def fact(n):\n", + " if (n < 0):\n", + " return 0\n", + " f = 1\n", + " while (n > 1):\n", + " f *= n\n", + " n -= 1\n", + " return f\n", + "\n", + "\n", + "def perm(n,k):\n", + " # returns P(n,k), the number of permutations of k from n:\n", + " if (n < 0 or k < 0 or k > n):\n", + " return 0\n", + " return fact(n)/fact(n-k)\n", + "\n", + "for i in range(-1,8):\n", + " for j in range(-1,i+2):\n", + " print perm(i,j),\n", + " print ''\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "0 0 \n", + "0 1 0 \n", + "0 1 1 0 \n", + "0 1 2 2 0 \n", + "0 1 3 6 6 0 \n", + "0 1 4 12 24 24 0 \n", + "0 1 5 20 60 120 120 0 \n", + "0 1 6 30 120 360 720 720 0 \n", + "0 1 7 42 210 840 2520 5040 5040 0 \n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.11, Page no:96" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "def printDate(m,d,y):\n", + " # prints the given date in literal form:\n", + " if (m < 1 or m > 12 or d < 1 or d > 31 or y < 0):\n", + " print \"Error: parameter out of range.\\n\"\n", + " return\n", + " if m == 1:\n", + " print \"January \",\n", + " elif m ==2:\n", + " print \"February \",\n", + " elif m==3 :\n", + " print \"March \",\n", + " elif m==4:\n", + " print \"April \",\n", + " elif m==5:\n", + " print \"May \",\n", + " elif m==6:\n", + " print \"June \",\n", + " elif m==7:\n", + " print \"July \",\n", + " elif m==8:\n", + " print \"August \",\n", + " elif m==9:\n", + " print \"September \",\n", + " elif m==10:\n", + " print \"October \",\n", + " elif m==1:\n", + " print \"November \",\n", + " else:\n", + " print \"December \",\n", + " print d , \", \", y \n", + "\n", + "# tests the printDate() function:\n", + "month = 1\n", + "while month > 0:\n", + " month = int(raw_input())\n", + " day = int(raw_input())\n", + " year = int(raw_input())\n", + " printDate(month,day,year)\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "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": [ + "1989\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "September 12 , 1989\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "0\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "5\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "2001\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Error: parameter out of range.\n", + "\n" + ] + } + ], + "prompt_number": 8 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.12, Page no:98" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "import string\n", + "def ispunct(s):\n", + " return all(c in string.punctuation for c in s)\n", + "def printCharCategory(c):\n", + " # prints the category to which the given character belongs:\n", + " print \"The character [\" + c + \"] is a \",\n", + " if(c.isdigit()):\n", + " print \"digit.\\n\"\n", + " elif (c.islower()):\n", + " print \"lower-case letter.\\n\"\n", + " elif (c.isupper()): \n", + " print \"capital letter.\\n\"\n", + " elif (c.isspace()):\n", + " print \"white space character.\\n\"\n", + " elif (ord(c) >= 10 and ord(c) <= 15 or ord(c) == 0):\n", + " print \"control character.\\n\"\n", + " elif (ispunct(c)):\n", + " print \"punctuation mark.\\n\"\n", + " else:\n", + " print \"Error.\\n\"\n", + "\n", + "# prints the category to which the given character belongs;\n", + "# tests the printCharCategory() function:\n", + "for c in range(128):\n", + " printCharCategory(chr(c))\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " The character [\u0000] is a control character.\n", + "\n", + "The character [\u0001] is a Error.\n", + "\n", + "The character [\u0002] is a Error.\n", + "\n", + "The character [\u0003] is a Error.\n", + "\n", + "The character [\u0004] is a Error.\n", + "\n", + "The character [\u0005] is a Error.\n", + "\n", + "The character [\u0006] is a Error.\n", + "\n", + "The character [\u0007] is a Error.\n", + "\n", + "The character [\b] is a Error.\n", + "\n", + "The character [\t] is a white space character.\n", + "\n", + "The character [\n", + "] is a white space character.\n", + "\n", + "The character [\u000b", + "] is a white space character.\n", + "\n", + "The character [\f", + "] is a white space character.\n", + "\n", + "The character [\r", + "] is a white space character.\n", + "\n", + "The character [\u000e] is a control character.\n", + "\n", + "The character [\u000f] is a control character.\n", + "\n", + "The character [\u0010] is a Error.\n", + "\n", + "The character [\u0011] is a Error.\n", + "\n", + "The character [\u0012] is a Error.\n", + "\n", + "The character [\u0013] is a Error.\n", + "\n", + "The character [\u0014] is a Error.\n", + "\n", + "The character [\u0015] is a Error.\n", + "\n", + "The character [\u0016] is a Error.\n", + "\n", + "The character [\u0017] is a Error.\n", + "\n", + "The character [\u0018] is a Error.\n", + "\n", + "The character [\u0019] is a Error.\n", + "\n", + "The character [\u001a] is a Error.\n", + "\n", + "The character [\u001b] is a Error.\n", + "\n", + "The character [\u001c", + "] is a Error.\n", + "\n", + "The character [\u001d", + "] is a Error.\n", + "\n", + "The character [\u001e", + "] is a Error.\n", + "\n", + "The character [\u001f] is a Error.\n", + "\n", + "The character [ ] is a white space character.\n", + "\n", + "The character [!] is a punctuation mark.\n", + "\n", + "The character [\"] is a punctuation mark.\n", + "\n", + "The character [#] is a punctuation mark.\n", + "\n", + "The character [$] is a punctuation mark.\n", + "\n", + "The character [%] is a punctuation mark.\n", + "\n", + "The character [&] is a punctuation mark.\n", + "\n", + "The character ['] is a punctuation mark.\n", + "\n", + "The character [(] is a punctuation mark.\n", + "\n", + "The character [)] is a punctuation mark.\n", + "\n", + "The character [*] is a punctuation mark.\n", + "\n", + "The character [+] is a punctuation mark.\n", + "\n", + "The character [,] is a punctuation mark.\n", + "\n", + "The character [-] is a punctuation mark.\n", + "\n", + "The character [.] is a punctuation mark.\n", + "\n", + "The character [/] is a punctuation mark.\n", + "\n", + "The character [0] is a digit.\n", + "\n", + "The character [1] is a digit.\n", + "\n", + "The character [2] is a digit.\n", + "\n", + "The character [3] is a digit.\n", + "\n", + "The character [4] is a digit.\n", + "\n", + "The character [5] is a digit.\n", + "\n", + "The character [6] is a digit.\n", + "\n", + "The character [7] is a digit.\n", + "\n", + "The character [8] is a digit.\n", + "\n", + "The character [9] is a digit.\n", + "\n", + "The character [:] is a punctuation mark.\n", + "\n", + "The character [;] is a punctuation mark.\n", + "\n", + "The character [<] is a punctuation mark.\n", + "\n", + "The character [=] is a punctuation mark.\n", + "\n", + "The character [>] is a punctuation mark.\n", + "\n", + "The character [?] is a punctuation mark.\n", + "\n", + "The character [@] is a punctuation mark.\n", + "\n", + "The character [A] is a capital letter.\n", + "\n", + "The character [B] is a capital letter.\n", + "\n", + "The character [C] is a capital letter.\n", + "\n", + "The character [D] is a capital letter.\n", + "\n", + "The character [E] is a capital letter.\n", + "\n", + "The character [F] is a capital letter.\n", + "\n", + "The character [G] is a capital letter.\n", + "\n", + "The character [H] is a capital letter.\n", + "\n", + "The character [I] is a capital letter.\n", + "\n", + "The character [J] is a capital letter.\n", + "\n", + "The character [K] is a capital letter.\n", + "\n", + "The character [L] is a capital letter.\n", + "\n", + "The character [M] is a capital letter.\n", + "\n", + "The character [N] is a capital letter.\n", + "\n", + "The character [O] is a capital letter.\n", + "\n", + "The character [P] is a capital letter.\n", + "\n", + "The character [Q] is a capital letter.\n", + "\n", + "The character [R] is a capital letter.\n", + "\n", + "The character [S] is a capital letter.\n", + "\n", + "The character [T] is a capital letter.\n", + "\n", + "The character [U] is a capital letter.\n", + "\n", + "The character [V] is a capital letter.\n", + "\n", + "The character [W] is a capital letter.\n", + "\n", + "The character [X] is a capital letter.\n", + "\n", + "The character [Y] is a capital letter.\n", + "\n", + "The character [Z] is a capital letter.\n", + "\n", + "The character [[] is a punctuation mark.\n", + "\n", + "The character [\\] is a punctuation mark.\n", + "\n", + "The character []] is a punctuation mark.\n", + "\n", + "The character [^] is a punctuation mark.\n", + "\n", + "The character [_] is a punctuation mark.\n", + "\n", + "The character [`] is a punctuation mark.\n", + "\n", + "The character [a] is a lower-case letter.\n", + "\n", + "The character [b] is a lower-case letter.\n", + "\n", + "The character [c] is a lower-case letter.\n", + "\n", + "The character [d] is a lower-case letter.\n", + "\n", + "The character [e] is a lower-case letter.\n", + "\n", + "The character [f] is a lower-case letter.\n", + "\n", + "The character [g] is a lower-case letter.\n", + "\n", + "The character [h] is a lower-case letter.\n", + "\n", + "The character [i] is a lower-case letter.\n", + "\n", + "The character [j] is a lower-case letter.\n", + "\n", + "The character [k] is a lower-case letter.\n", + "\n", + "The character [l] is a lower-case letter.\n", + "\n", + "The character [m] is a lower-case letter.\n", + "\n", + "The character [n] is a lower-case letter.\n", + "\n", + "The character [o] is a lower-case letter.\n", + "\n", + "The character [p] is a lower-case letter.\n", + "\n", + "The character [q] is a lower-case letter.\n", + "\n", + "The character [r] is a lower-case letter.\n", + "\n", + "The character [s] is a lower-case letter.\n", + "\n", + "The character [t] is a lower-case letter.\n", + "\n", + "The character [u] is a lower-case letter.\n", + "\n", + "The character [v] is a lower-case letter.\n", + "\n", + "The character [w] is a lower-case letter.\n", + "\n", + "The character [x] is a lower-case letter.\n", + "\n", + "The character [y] is a lower-case letter.\n", + "\n", + "The character [z] is a lower-case letter.\n", + "\n", + "The character [{] is a punctuation mark.\n", + "\n", + "The character [|] is a punctuation mark.\n", + "\n", + "The character [}] is a punctuation mark.\n", + "\n", + "The character [~] is a punctuation mark.\n", + "\n", + "The character [\u007f] is a Error.\n", + "\n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.13, Page no:99" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "import math\n", + "def isPrime(n):\n", + " # returns True if n is prime, False otherwise:\n", + " sqrtn = math.sqrt(n)\n", + " if (n < 2):\n", + " return False\n", + " # 0 and 1 are not primes\n", + " if (n < 4):\n", + " return True\n", + " # 2 and 3 are the first primes\n", + " if (n%2 == 0):\n", + " return False\n", + " # 2 is the only even prime\n", + " for d in range(3,int(sqrtn+1),2):\n", + " if (n%d == 0):\n", + " return False\n", + " # n has a nontrivial divisor\n", + " return True;\n", + "\n", + "for n in range(0,80):\n", + " if (isPrime(n)):\n", + " print n,\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79\n" + ] + } + ], + "prompt_number": 10 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.14, Page no:100" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "def isLeapYear(y):\n", + " # returns true iff y is a leap year:\n", + " return (y % 4 == 0 and y % 100 != 0 or y % 400 == 0)\n", + "\n", + "# tests the isLeapYear() function:\n", + "n = 2\n", + "while n > 1:\n", + " n = int(raw_input())\n", + " if (isLeapYear(n)):\n", + " print \"%d is a leap year.\" % n\n", + " else:\n", + " print \"%d is not a leap year.\" %n\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "2004\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "2004 is a leap year.\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "2006\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "2006 is not a leap year.\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "2013\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "2013 is not a leap year.\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "0\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "0 is a leap year.\n" + ] + } + ], + "prompt_number": 11 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.15, Page no: 101" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "def age():\n", + " # prompts the user to input his/her age, and returns that value:\n", + " while (True):\n", + " print \"How old are you: \"\n", + " n = int(raw_input())\n", + " if (n < 0):\n", + " print \"\\a\\tYour age could not be negative.\"\n", + " elif (n > 120):\n", + " print \"\\a\\tYou could not be over 120.\"\n", + " else:\n", + " return n\n", + " print \"\\n\\tTry again.\\n\"\n", + "\n", + "a = age();\n", + "print \"\\nYou are %d years old.\" %a\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "How old are you: \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "-12\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\u0007\tYour age could not be negative.\n", + "\n", + "\tTry again.\n", + "\n", + "How old are you: \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "125\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\u0007\tYou could not be over 120.\n", + "\n", + "\tTry again.\n", + "\n", + "How old are you: \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "24\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + "You are 24 years old.\n" + ] + } + ], + "prompt_number": 14 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.16, Page no: 102" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "def swap(x,y):\n", + " # exchanges the values of x and y:\n", + " x[0],y[0] = y[0],x[0]\n", + "\n", + "a = [22.2]\n", + "b = [44.4]\n", + "print \"a = %.2f , b = %.2f \" %(a[0],b[0])\n", + "swap(a,b)\n", + "print \"a = %.2f , b = %.2f \" %(a[0],b[0])\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "a = 22.20 , b = 44.40 \n", + "a = 44.40 , b = 22.20 \n" + ] + } + ], + "prompt_number": 15 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.17, Page no: 104" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "'''\n", + "Note : Python doesn't support pass value by reference. but can be done by passing list.\n", + "'''\n", + "\n", + "def f(x,y):\n", + " x[0]= 88\n", + " y[0] = 99\n", + "\n", + "# tests the f() function:\n", + "a = [22]\n", + "b = [44]\n", + "print \"a = %.2f , b = %.2f \" %(a[0],b[0])\n", + "f(a,b)\n", + "print \"a = %.2f , b = %.2f \" %(a[0],b[0])\n", + "f(2*a,b)\n", + "print \"a = %.2f , b = %.2f \" %(a[0],b[0])\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "a = 22.00 , b = 44.00 \n", + "a = 88.00 , b = 99.00 \n", + "a = 88.00 , b = 99.00 \n" + ] + } + ], + "prompt_number": 16 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.18, Page no: 105" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "def computeCircle(r):\n", + " # returns the area and circumference of a circle with radius r:\n", + " PI = 3.141592653589793\n", + " area = PI*r*r\n", + " circumference = 2*PI*r\n", + " return area,circumference\n", + "\n", + "# tests the computeCircle() function:\n", + "print \"Enter radius: \"\n", + "r = int(raw_input())\n", + "a,c = computeCircle(r)\n", + "print \"area = %.2f , circumference = %.2f\" %(a,c)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter radius: \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "5\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "area = 78.54 , circumference = 31.42\n" + ] + } + ], + "prompt_number": 17 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.19, Page no: 106" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "'''\n", + "Note : Python passes variable by value and not by reference. So output would be differ.\n", + "'''\n", + "\n", + "\n", + "def f(x,y,z):\n", + " x[0] += z[0]\n", + " y[0] += z[0]\n", + " print \"x = %d , y = %d , z = %d\" %(x[0],y[0],z[0])\n", + "\n", + "x = [22]\n", + "y = [33]\n", + "z = [44]\n", + "\n", + "print \"x = %d , y = %d , z = %d\" %(x[0],y[0],z[0])\n", + "f(x,y,z)\n", + "print \"x = %d , y = %d , z = %d\" %(x[0],y[0],z[0])\n", + "x[0] = 2*x[0] - 3\n", + "f(x,y,z)\n", + "print \"x = %d , y = %d , z = %d\" %(x[0],y[0],z[0])\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "x = 22 , y = 33 , z = 44\n", + "x = 66 , y = 77 , z = 44\n", + "x = 66 , y = 77 , z = 44\n", + "x = 173 , y = 121 , z = 44\n", + "x = 173 , y = 121 , z = 44\n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.20, Page no: 107" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "def cube(x):\n", + " # returns cube of x:\n", + " return x*x*x\n", + "\n", + "# tests the cube() function:\n", + "print cube(4)\n", + "x = int(raw_input())\n", + "y = cube(2*x-3)\n", + "print y\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "64\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "5\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "343\n" + ] + } + ], + "prompt_number": 19 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.21, Page no: 108" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "'''\n", + "Python has it's own scope so output would be differ.\n", + "'''\n", + "x = 11\n", + "\n", + "def f():\n", + " x = 44\n", + " print \"In f(): x = %d\" % x \n", + "\n", + "def g():\n", + " print \"In g(): x = %d\" % x \n", + "\n", + "x = 22\n", + "x = 33\n", + "print \"In block inside main(): x = %d\" % x\n", + "\n", + "\n", + "print \"In main(): x = %d\" % x \n", + "print \"In main(): ::x = %d\" % x \n", + "f()\n", + "g()\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "In block inside main(): x = 33\n", + "In main(): x = 33\n", + "In main(): ::x = 33\n", + "In f(): x = 44\n", + "In g(): x = 33\n" + ] + } + ], + "prompt_number": 20 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.22, Page no: 109" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "def max_(x, y,z=0):\n", + " if x > y and x > y:\n", + " return x\n", + " elif y > x and y > z:\n", + " return y\n", + " else:\n", + " return z\n", + " \n", + " \n", + "print max(99,77), \" \" , max(55,66,33)\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "99 66\n" + ] + } + ], + "prompt_number": 21 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.23, Page no: 110" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "# prints the quotient of two input integers:\n", + "print \"Enter two integers: \"\n", + "n = int(raw_input())\n", + "d = int(raw_input())\n", + "if (d == 0):\n", + " import sys\n", + " sys.exit(0)\n", + "print n , \"/\" , d , \" = \" , n/d \n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter two integers: \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "8\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "2\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "8 / 2 = 4\n" + ] + } + ], + "prompt_number": 22 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.24, Page no: 110" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "def reciprocal(x):\n", + " #returns the reciprocal of x:\n", + " if (x == 0):\n", + " import sys\n", + " sys.exit(1); # terminate the program\n", + " return 1.0/x\n", + "\n", + "x = float(raw_input())\n", + "print reciprocal(x)\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "25\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "0.04\n" + ] + } + ], + "prompt_number": 23 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5.25, Page no: 111" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "'''\n", + "This function evaluates the third degree polynomial a0 + a1x + a2x2 + a3x3. \n", + "'''\n", + "def p(x,a0,a1=0,a2=0,a3=0):\n", + " # returns a0 + a1*x + a2*x^2 + a3*x^3:\n", + " return (a0 + (a1 + (a2 + a3*x)*x)*x)\n", + "\n", + "\n", + "# tests the p() function:\n", + "x = 2.0003\n", + "print \"p(x,7) = %f\" % p(x,7)\n", + "print \"p(x,7,6) = %f\" % p(x,7,6)\n", + "print \"p(x,7,6,5) = %f\" % p(x,7,6,5)\n", + "print \"p(x,7,6,5,4) = %f\" % p(x,7,6,5,4)\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "p(x,7) = 7.000000\n", + "p(x,7,6) = 19.001800\n", + "p(x,7,6,5) = 39.007800\n", + "p(x,7,6,5,4) = 71.022203\n" + ] + } + ], + "prompt_number": 24 + } + ], + "metadata": {} + } + ] +}
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