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+{
+ "metadata": {
+ "name": "chapter3.ipynb"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "CHAPTER 3: THE LOOP CONTROL STRUCTURE"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:89-90"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Calculation of simple interest for 3 sets of p,n and r\n",
+ "count=1\n",
+ "while count<=3: #while loop codition check\n",
+ " print \"Enter values of p,n and r\"\n",
+ " p=eval(raw_input())\n",
+ " n=eval(raw_input())\n",
+ " r=eval(raw_input())\n",
+ " si=p*n*r/100\n",
+ " print \"Simple interest=Rs.%f\" % (si)\n",
+ " count=count+1 #increment"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter values of p,n and r\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1000\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "13.5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Simple interest=Rs.675.000000\n",
+ "Enter values of p,n and r\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2000\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "13.5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Simple interest=Rs.1350.000000\n",
+ "Enter values of p,n and r\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3500\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3.5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Simple interest=Rs.612.500000\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:92"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#a program for indefinite loop\n",
+ "i=1\n",
+ "while i<=10:\n",
+ " print \"%d\\n\" % (i) #there is no increment/decrement thats why indefinite loop"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": []
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:93"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#printing numbers from 1 to 10\n",
+ "i=1\n",
+ "while i<=10:\n",
+ " print \"\\n\" ,i\n",
+ " i=i+1"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\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"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:93"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#printing a message repeatedly\n",
+ "i=5\n",
+ "while i>=1:\n",
+ " print \"Make the computer literate!\\n\"\n",
+ " i=i-1"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Make the computer literate!\n",
+ "\n",
+ "Make the computer literate!\n",
+ "\n",
+ "Make the computer literate!\n",
+ "\n",
+ "Make the computer literate!\n",
+ "\n",
+ "Make the computer literate!\n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:93"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#printing a message repeatedly by taking float loop counter\n",
+ "a=10.0\n",
+ "while a<=10.5:\n",
+ " print \"Raindrops on roses...\"\n",
+ " print \"...and whiskers on kittens\\n\"\n",
+ " a=a+0.1"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Raindrops on roses...\n",
+ "...and whiskers on kittens\n",
+ "\n",
+ "Raindrops on roses...\n",
+ "...and whiskers on kittens\n",
+ "\n",
+ "Raindrops on roses...\n",
+ "...and whiskers on kittens\n",
+ "\n",
+ "Raindrops on roses...\n",
+ "...and whiskers on kittens\n",
+ "\n",
+ "Raindrops on roses...\n",
+ "...and whiskers on kittens\n",
+ "\n",
+ "Raindrops on roses...\n",
+ "...and whiskers on kittens\n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:94"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#This is not indefinite loop in python because range of int in python is larger than 32767\n",
+ "i=1\n",
+ "while i<=32767: #print numbers from 1 to 32767\n",
+ " print \"%d\\n\" ,i \n",
+ " i=i+1"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": []
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:95"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Method 1:print numbers from 1 to 10\n",
+ "i=1 \n",
+ "while i<=10:\n",
+ " print i\n",
+ " i=i+1"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1\n",
+ "2\n",
+ "3\n",
+ "4\n",
+ "5\n",
+ "6\n",
+ "7\n",
+ "8\n",
+ "9\n",
+ "10\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:96"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Method 2:print numbers from 1 to 10\n",
+ "i=1\n",
+ "while i<=10:\n",
+ " print \"\\n\" ,i\n",
+ " i+=1 #increment short hand operator"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\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"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:98"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Calculation of simple interest for 3 sets of p,n and r using \"for loop\"\n",
+ "for count in range(1,4,1): #for loop\n",
+ " print \"Enter values of p,n and r\"\n",
+ " p=eval(raw_input())\n",
+ " n=eval(raw_input())\n",
+ " r=eval(raw_input())\n",
+ " si=p*n*r/100\n",
+ " print \"Simple Interest=Rs.%f\" % (si)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter values of p,n and r\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1000\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "13.5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Simple Interest=Rs.675.000000\n",
+ "Enter values of p,n and r\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2000\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "13.5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Simple Interest=Rs.1350.000000\n",
+ "Enter values of p,n and r\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3500\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "3.5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Simple Interest=Rs.612.500000\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:101"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#print numbers from 1 to 10 using for loop\n",
+ "for i in range(1,11,1):\n",
+ " print \"%d\\n\" % (i)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "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": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:101"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#print numbers from 1 to 10 with incrementation in the body\n",
+ "for i in range(1,11):\n",
+ " print \"\\n\" ,i\n",
+ " i=i+1"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\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"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:101"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#print numbers from 1 to 10 with initialisation above for loop\n",
+ "i=1\n",
+ "for i in range(i,11,1):\n",
+ " print \"%d\\n\" % (i)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "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": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:102"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#print 1 to 10 with initialisation above for loop and incrementation in the body\n",
+ "i=1\n",
+ "for i in range(i,11):\n",
+ " print \"%d\\n\" % (i)\n",
+ " i=i+1"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "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": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:103"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Demonstration of nested loops\n",
+ "for r in range(1,4,1): #outer loop\n",
+ " for c in range(1,3,1): #inner loop \n",
+ " sum=r+c\n",
+ " print \"r=%d c=%d sum=%d\\n\" % (r,c,sum)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "r=1 c=1 sum=2\n",
+ "\n",
+ "r=1 c=2 sum=3\n",
+ "\n",
+ "r=2 c=1 sum=3\n",
+ "\n",
+ "r=2 c=2 sum=4\n",
+ "\n",
+ "r=3 c=1 sum=4\n",
+ "\n",
+ "r=3 c=2 sum=5\n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:104-105"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Execution of a loop an unknown number of times\n",
+ "#Implementing do-while loop using while loop\n",
+ "while(1): #do-while loop is not present in python\n",
+ " print \"Enter a number\"\n",
+ " num=eval(raw_input())\n",
+ " print \"square of %d is %d\\n\" % (num,num*num)\n",
+ " print \"Want to enter another number y/n\"\n",
+ " another=raw_input()\n",
+ " if(another!='y'):\n",
+ " break"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter a number\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "square of 5 is 25\n",
+ "\n",
+ "Want to enter another number y/n\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "y\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter a number\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "square of 7 is 49\n",
+ "\n",
+ "Want to enter another number y/n\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "n\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:105"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#odd loop using a for loop\n",
+ "another='y'\n",
+ "for i in range(1,1000): #check if another is in word\n",
+ " if another=='y':\n",
+ " print \"Enter a number\"\n",
+ " num=eval(raw_input())\n",
+ " print \"square of %d is %d\\n\" % (num,num*num)\n",
+ " print \"Want to enter another number y/n\"\n",
+ " another=raw_input()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter a number\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "square of 5 is 25\n",
+ "\n",
+ "Want to enter another number y/n\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "y\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter a number\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "square of 7 is 49\n",
+ "\n",
+ "Want to enter another number y/n\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "n\n"
+ ]
+ }
+ ],
+ "prompt_number": 13
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:105-106"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#odd loop using a while loop\n",
+ "another='y'\n",
+ "while(another=='y'):\n",
+ " print \"Enter a number\"\n",
+ " num=eval(raw_input())\n",
+ " print \"square of %d is %d\\n\" % (num,num*num)\n",
+ " print \"Want to enter another number y/n\"\n",
+ " another=raw_input()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter a number\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "5\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "square of 5 is 25\n",
+ "\n",
+ "Want to enter another number y/n\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "y\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter a number\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "7\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "square of 7 is 49\n",
+ "\n",
+ "Want to enter another number y/n\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "n\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:106"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Program to check prime number using break in while loop\n",
+ "print \"Enter a number\"\n",
+ "num=eval(raw_input())\n",
+ "i=2\n",
+ "while i<=num-1:\n",
+ " if num%i==0:\n",
+ " print \"Not a prime number\\n\"\n",
+ " break #exit the loop\n",
+ " i+=1\n",
+ "if i==num:\n",
+ " print \"Prime number\\n\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter a number\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "11\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Prime number\n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 15
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:107"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#program using break statement\n",
+ "i=1\n",
+ "j=1\n",
+ "while (i<=100):\n",
+ " i+=1\n",
+ " while (j<=200):\n",
+ " j+=1\n",
+ " if (j==150):\n",
+ " break #it will terminate the inner loop only\n",
+ " else:\n",
+ " print \"%d %d\\n\" % (i,j)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "2 2\n",
+ "\n",
+ "2 3\n",
+ "\n",
+ "2 4\n",
+ "\n",
+ "2 5\n",
+ "\n",
+ "2 6\n",
+ "\n",
+ "2 7\n",
+ "\n",
+ "2 8\n",
+ "\n",
+ "2 9\n",
+ "\n",
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+ "\n",
+ "2 11\n",
+ "\n",
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+ "\n",
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+ "\n",
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+ "\n",
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+ "\n",
+ "3 151\n",
+ "\n",
+ "3 152\n",
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+ "3 153\n",
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+ "3 154\n",
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+ "3 155\n",
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+ "3 198\n",
+ "\n",
+ "3 199\n",
+ "\n",
+ "3 200\n",
+ "\n",
+ "3 201\n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 16
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "EXAMPLE ON PAGE:108"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#program using continue statement\n",
+ "for i in range(1,3,1):\n",
+ " for j in range(1,3,1):\n",
+ " if i==j:\n",
+ " continue #it will again send back to loop without executing succeeding statements\n",
+ " print \"%d %d\\n\" % (i,j)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "1 2\n",
+ "\n",
+ "2 1\n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 17
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
generated by cgit (git 2.34.1) at 2024-12-20 10:59:55 +0000