{
 "metadata": {
  "name": "ch6"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 1,
     "metadata": {},
     "source": "Chapter 6 : Iteration"
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 6.1 page no :56\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 6.1 page no :56\n'''\n\ndef countdown (n):\n    while (n > 0):\n        print n\n        n = n-1\n    print \"Blastoff!\"\n    return 0\n    \ncountdown(5)  ",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "5\n4\n3\n2\n1\nBlastoff!\n"
      },
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 1,
       "text": "0"
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 6.2 page no :57\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 6.2 page no :57\n'''\n\ndef sequence (n):\n    while (n != 1):\n        print n\n        if (n%2 == 0):\n            n = n / 2\n        else:\n            n = n*3 + 1\n            \nsequence(10)",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "10\n5\n16\n8\n4\n2\n"
      }
     ],
     "prompt_number": 2
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 6.3 page no :58\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 6.3 page no :58\n'''\nimport math\nx = 1.0\nwhile (x < 10.0):\n    print x , \"\\t\" , math.log(x)\n    x = x + 1.0",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "1.0 \t0.0\n2.0 \t0.69314718056\n3.0 \t1.09861228867\n4.0 \t1.38629436112\n5.0 \t1.60943791243\n6.0 \t1.79175946923\n7.0 \t1.94591014906\n8.0 \t2.07944154168\n9.0 \t2.19722457734\n"
      }
     ],
     "prompt_number": 3
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 6.4 page no :59\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 6.4 page no :59\n'''\nimport math\nx = 1.0\nwhile (x < 10.0):\n    print x , \"\\t\" , math.log(x) / math.log(2.0) \n    x = x + 1.0\n\n",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "1.0 \t0.0\n2.0 \t1.0\n3.0 \t1.58496250072\n4.0 \t2.0\n5.0 \t2.32192809489\n6.0 \t2.58496250072\n7.0 \t2.80735492206\n8.0 \t3.0\n9.0 \t3.16992500144\n"
      }
     ],
     "prompt_number": 4
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 6.5 page no :59\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 6.5 page no :59\n'''\nimport math\nx = 1.0;\nwhile (x < 100.0):\n    print x , \"\\t\" , math.log(x) / math.log(2.0)\n    x = x * 2.0",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "1.0 \t0.0\n2.0 \t1.0\n4.0 \t2.0\n8.0 \t3.0\n16.0 \t4.0\n32.0 \t5.0\n64.0 \t6.0\n"
      }
     ],
     "prompt_number": 5
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 6.6 page no: 60\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 6.6 page no: 60\n'''\n\ni = 1;\nwhile (i <= 6):\n    print 2*i ,\n    i = i + 1;\n",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "2 4 6 8 10 12\n"
      }
     ],
     "prompt_number": 6
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 6.7 page no:60\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 6.7 page no:60\n'''\n\ndef printMultiples (n):\n    i = 1\n    while (i <= 6):\n        print n*i,\n        i = i + 1;\n        \nprintMultiples(3)        ",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "3 6 9 12 15 18\n"
      }
     ],
     "prompt_number": 7
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 6.8 page no:61\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 6.8 page no:61\n'''\n\n\ndef printMultiples (n):\n    i = 1\n    while (i <= 6):\n        print n*i,\n        i = i + 1;\n    print ''        \n\ni = 1;\nwhile (i <= 6):\n    printMultiples (i);\n    i = i + 1;",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "1 2 3 4 5 6 \n2 4 6 8 10 12 \n3 6 9 12 15 18 \n4 8 12 16 20 24 \n5 10 15 20 25 30 \n6 12 18 24 30 36 \n"
      }
     ],
     "prompt_number": 8
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 6.9 page no: 62\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 6.9 page no: 62\n'''\n\ndef printMultiples (n):\n    i = 1\n    while (i <= 6):\n        print n*i,\n        i = i + 1;\n    print ''        \n\ndef printMultTable ():\n    i = 1;\n    while (i <= 6):\n        printMultiples (i)\n        i = i + 1\n\nprintMultTable()",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "1 2 3 4 5 6 \n2 4 6 8 10 12 \n3 6 9 12 15 18 \n4 8 12 16 20 24 \n5 10 15 20 25 30 \n6 12 18 24 30 36 \n"
      }
     ],
     "prompt_number": 9
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 6.10 page no :63\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 6.10 page no :63\n'''\n\ndef printMultiples (n):\n    i = 1\n    while (i <= 6):\n        print n*i,\n        i = i + 1;\n    print ''        \n\ndef printMultTable (high):\n    i = 1;\n    while (i <= high):\n        printMultiples (i);\n        i = i + 1;\n        \nprintMultTable(4)        ",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "1 2 3 4 5 6 \n2 4 6 8 10 12 \n3 6 9 12 15 18 \n4 8 12 16 20 24 \n"
      }
     ],
     "prompt_number": 10
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 6.11 page no :64\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 6.11 page no :64\n'''\n\ndef printMultiples(n,high):\n    i = 1;\n    while (i <= high):\n        print n*i ,\n        i = i + 1;\n    print ''\n\ndef printMultTable (high):\n    i = 1;  \n    while (i <= high):\n        printMultiples (i, high)\n        i = i + 1;\n\nprintMultTable(5)        ",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "1 2 3 4 5 \n2 4 6 8 10 \n3 6 9 12 15 \n4 8 12 16 20 \n5 10 15 20 25 \n"
      }
     ],
     "prompt_number": 11
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "",
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}