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+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:2165fd6887703267c26bff51b8c400d1a8e77008ec017dafbe2d89ad91d495e9"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 3: Control of Flow and Logical Expressions"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.1, page no. 82"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "i = -10;\n",
+ "\n",
+ "while(i <= 5):\n",
+ " print \"value of i is %d \" %( i)\n",
+ " print \"i == 0 = %d \" %( i==0 )\n",
+ " print \"i > -5 = %d\\n \" %(i > -5)\n",
+ " i+=1"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "value of i is -10 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 0\n",
+ " \n",
+ "value of i is -9 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 0\n",
+ " \n",
+ "value of i is -8 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 0\n",
+ " \n",
+ "value of i is -7 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 0\n",
+ " \n",
+ "value of i is -6 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 0\n",
+ " \n",
+ "value of i is -5 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 0\n",
+ " \n",
+ "value of i is -4 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 1\n",
+ " \n",
+ "value of i is -3 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 1\n",
+ " \n",
+ "value of i is -2 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 1\n",
+ " \n",
+ "value of i is -1 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 1\n",
+ " \n",
+ "value of i is 0 \n",
+ "i == 0 = 1 \n",
+ "i > -5 = 1\n",
+ " \n",
+ "value of i is 1 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 1\n",
+ " \n",
+ "value of i is 2 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 1\n",
+ " \n",
+ "value of i is 3 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 1\n",
+ " \n",
+ "value of i is 4 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 1\n",
+ " \n",
+ "value of i is 5 \n",
+ "i == 0 = 0 \n",
+ "i > -5 = 1\n",
+ " \n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.2, page no. 86"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "s = raw_input(\"Enter String.. : \")\n",
+ "print s"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter String.. : python\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "python\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.3, page no. 87"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "i = 0\n",
+ "for i in range(11):\n",
+ " print i"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "0\n",
+ "1\n",
+ "2\n",
+ "3\n",
+ "4\n",
+ "5\n",
+ "6\n",
+ "7\n",
+ "8\n",
+ "9\n",
+ "10\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.4, page no. 88"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "\n",
+ "i=0\n",
+ "while(i<=10):\n",
+ " print \"%d \\n\" %i\n",
+ " i += 1\n",
+ "\n",
+ "for i in range(11):\n",
+ " print \"%d \\n\" %i"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "0 \n",
+ "\n",
+ "1 \n",
+ "\n",
+ "2 \n",
+ "\n",
+ "3 \n",
+ "\n",
+ "4 \n",
+ "\n",
+ "5 \n",
+ "\n",
+ "6 \n",
+ "\n",
+ "7 \n",
+ "\n",
+ "8 \n",
+ "\n",
+ "9 \n",
+ "\n",
+ "10 \n",
+ "\n",
+ "0 \n",
+ "\n",
+ "1 \n",
+ "\n",
+ "2 \n",
+ "\n",
+ "3 \n",
+ "\n",
+ "4 \n",
+ "\n",
+ "5 \n",
+ "\n",
+ "6 \n",
+ "\n",
+ "7 \n",
+ "\n",
+ "8 \n",
+ "\n",
+ "9 \n",
+ "\n",
+ "10 \n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.5 & 3.6, page no. 90-91"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "for i in range(11):\n",
+ " if i==1 or i==2:\n",
+ " print \"1 or 2\\n\"\n",
+ " elif i==7:\n",
+ " print \"7\\n\"\n",
+ " else:\n",
+ " print \"default\\n\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "default\n",
+ "\n",
+ "1 or 2\n",
+ "\n",
+ "1 or 2\n",
+ "\n",
+ "default\n",
+ "\n",
+ "default\n",
+ "\n",
+ "default\n",
+ "\n",
+ "default\n",
+ "\n",
+ "7\n",
+ "\n",
+ "default\n",
+ "\n",
+ "default\n",
+ "\n",
+ "default\n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.7, page no. 92"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "for i in range(-10,11):\n",
+ " if(i == 0):\n",
+ " continue;\n",
+ " print \"%f\\n\" % (15.0/i)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "-1.500000\n",
+ "\n",
+ "-1.666667\n",
+ "\n",
+ "-1.875000\n",
+ "\n",
+ "-2.142857\n",
+ "\n",
+ "-2.500000\n",
+ "\n",
+ "-3.000000\n",
+ "\n",
+ "-3.750000\n",
+ "\n",
+ "-5.000000\n",
+ "\n",
+ "-7.500000\n",
+ "\n",
+ "-15.000000\n",
+ "\n",
+ "15.000000\n",
+ "\n",
+ "7.500000\n",
+ "\n",
+ "5.000000\n",
+ "\n",
+ "3.750000\n",
+ "\n",
+ "3.000000\n",
+ "\n",
+ "2.500000\n",
+ "\n",
+ "2.142857\n",
+ "\n",
+ "1.875000\n",
+ "\n",
+ "1.666667\n",
+ "\n",
+ "1.500000\n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.9, page no. 98"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "'''\n",
+ "This example demonstrates ?: operator in the textbook.\n",
+ "There isin't a ?: operator in python. Instead we have [value1,value2][condition] \n",
+ "operator.\n",
+ "'''\n",
+ "\n",
+ "\n",
+ "for i in range(11):\n",
+ " print [\"odd\\n\",\"Even\\n\"][i&1]\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "odd\n",
+ "\n",
+ "Even\n",
+ "\n",
+ "odd\n",
+ "\n",
+ "Even\n",
+ "\n",
+ "odd\n",
+ "\n",
+ "Even\n",
+ "\n",
+ "odd\n",
+ "\n",
+ "Even\n",
+ "\n",
+ "odd\n",
+ "\n",
+ "Even\n",
+ "\n",
+ "odd\n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.10, page no. 99"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "for i in range(11):\n",
+ " print \"i %d j %d\\n\" %( i,i*i)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "i 0 j 0\n",
+ "\n",
+ "i 1 j 1\n",
+ "\n",
+ "i 2 j 4\n",
+ "\n",
+ "i 3 j 9\n",
+ "\n",
+ "i 4 j 16\n",
+ "\n",
+ "i 5 j 25\n",
+ "\n",
+ "i 6 j 36\n",
+ "\n",
+ "i 7 j 49\n",
+ "\n",
+ "i 8 j 64\n",
+ "\n",
+ "i 9 j 81\n",
+ "\n",
+ "i 10 j 100\n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
generated by cgit (git 2.34.1) at 2025-05-20 16:38:27 +0000