{ "metadata": { "name": "", "signature": "sha256:dd103cfe67b47eb61e56816517923337936d461ec4fd4b8f9f87e6c544fd31e3" }, "nbformat": 3, "nbformat_minor": 0, "worksheets": [ { "cells": [ { "cell_type": "heading", "level": 1, "metadata": {}, "source": [ "Chapter 22 : Sample C Programs(Lab Exercise)" ] }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 1: Page no.:L.4" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Area of Triangle\n", "\n", "import math\n", "\n", "#User Inputs\n", "a,b,c=input(\"Enter three sides: \")\n", "\n", "#calculation of semi perimeter\n", "s=(a+b+c)/2\n", "\n", "#Calculation of Area of Triangle\n", "d=(s*(s-a)*(s-b)*(s-c))\n", "\n", "area=math.sqrt(d)\n", "\n", "#Result\n", "print \"Area of triangle = %f sq units \\n\"%area" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter three sides: 5,6,7\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Area of triangle = 14.696938 sq units \n", "\n" ] } ], "prompt_number": 5 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 2: Page No. L.5" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Square root for the given value.\n", "\n", "import math\n", "\n", "#User Input\n", "x=input(\"Enter the Value: \")\n", "\n", "#Result\n", "print \"Square root of %.2f is: \"%(x)\n", "\n", "print math.sqrt(x)\n" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the Value: 81\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Square root of 81.00 is: \n", "9.0\n" ] } ], "prompt_number": 1 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 3: Page.No.L.6" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Sum of the series 0+1+(1+2)+...+n\n", "\n", "#User Input\n", "n=input(\"Enter the Value of n : \")\n", "\n", "#Variable Declaration\n", "s=term=0\n", "i=j=0\n", "\n", "#Computing Values in loop\n", "for i in range(n):\n", " for j in range(n):\n", " if j<=i:\n", " term=term+j\n", " j=j+1 \n", "s=s+term\n", "if i<=n:\n", " i=i+1\n", " \n", "#Result\n", "print \"Sum of the series S= %d\"%(s)\n", " " ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the Value of n :5\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Sum of the series S= 20\n" ] } ], "prompt_number": 3 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 4: Page No.:L.9" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Decimal into binary number.\n", "\n", "n=input(\"Enter the decimal number: \")\n", "s=n\n", "k=[]\n", "\n", "#Calculation\n", "while (s>0):\n", " a=int(float(s%2))\n", " k.append(a)\n", " s=(s-a)/2\n", "k.append(0)\n", "bi=\"\"\n", "\n", "for j in k[::1]:\n", " bi=bi+str(j)\n", "\n", "#Result\n", "print('The binary value of %d is %s'%(n, bi))\n" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the decimal number: 14\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "The binary value of 14 is 01110\n" ] } ], "prompt_number": 1 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 5: Page No. L.10" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#The given number is armstrong or not.\n", "\n", "#Variable declaration\n", "a=b=c=d=e=0\n", "\n", "#User Input\n", "a=input(\"Enter the Number: \")\n", "\n", "#Assigning variable 'a' value to variable 'e'\n", "e=a\n", "\n", "#Calculation for finding Armstrong or not\n", "while a>0:\n", " b=a%10\n", " c=b*b*b\n", " a=a/10\n", " d=c+d\n", " \n", "#Result\n", "if e==d:\n", " print \"%d is an armstrong number. \"%e\n", " \n", "else:\n", " print \"%d is not an armstrong number. \"%e" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the Number: 153\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "153 is an armstrong number. \n" ] } ], "prompt_number": 10 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 6: Page No.L.12" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Centigrade and Farenheit Values.\n", "\n", "\n", "#Variable Declaration\n", "c=f=cn=fn=0.0\n", "\n", "#User Input1 for calculating farenheit\n", "c=input(\"Enter temperature in centigrade : \")\n", "\n", "#Farenheit Calculation\n", "f=1.8*c+32\n", "\n", "#Result1\n", "print \"Farenheit Equivalent is: %.1f\\n\" %(f)\n", "\n", "#User input2 for calculating centigrade\n", "fn=input(\"Enter temperature in farenheit : \")\n", "\n", "#Centigrade Calculation\n", "cn=(fn-32)/1.8\n", "\n", "#Result2\n", "print \"Centigrade Equivalent is : %.1f\\n\"%(cn)\n" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter temperature in centigrade : 20\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Farenheit Equivalent is: 68.0\n", "\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter temperature in farenheit : 68\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Centigrade Equivalent is : 20.0\n", "\n" ] } ], "prompt_number": 11 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 7: Page .no.L.13" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Converting Decimal value to binary number\n", "\n", "\n", "#Variable declaration\n", "bnum=digit=decimal=bina=base=0\n", "\n", "#User input\n", "bnum=input(\"Enter the binary number: \")\n", "\n", "bina=bnum\n", "\n", "while(bnum!=0):\n", " digit=bnum%10\n", " decimal=decimal+(digit<maxi:\n", " maxi=y\n", " if z>maxi:\n", " maxi=z\n", " return maxi\n", " \n", " \n", "#User input\n", "a,b,c=input(\"Enter three integers : \")\n", "\n", "#Result\n", "print \"Maximum is : %d\\n\"%(maximum(a,b,c))\n", "\n", "\n", " \n", " " ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter three integers : 2,6,9\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Maximum is : 9\n", "\n" ] } ], "prompt_number": 34 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 11: Page no.L.19" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Factorial of the given number using recursion.\n", "\n", "#funtion declaration\n", "def fact(n):\n", " if n==0:\n", " return 1\n", " else:\n", " return(n*fact(n-1))\n", " \n", "#USer Input\n", "\n", "n=input(\"Enter the number whose factorial is to be found: \")\n", "\n", "#Result\n", "print \"The Factorial of %d is : %d \\n\"%(n,fact(n))" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the number whose factorial is to be found: 6\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "The Factorial of 6 is : 720 \n", "\n" ] } ], "prompt_number": 36 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 12: Page no.L.20" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Palindrome or not.\n", "\n", "print \"Enter the String to check palindrome or not \\n\"\n", "\n", "#User Input\n", "\n", "string = raw_input(\"Enter the String: \")\n", "\n", "#reverse the string \n", "\n", "rev_string = reversed(string)\n", "\n", "#Check if the string is palindrome or not\n", "\n", "if list(rev_string) == list(string) :\n", " print \"\\nThe given string %s is a palindrome\"%(string)\n", " \n", "else:\n", " print \"\\nThe given string %s is not a palindrome\"%(string)" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Enter the String to check palindrome or not \n", "\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the String: madam\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "\n", "The given string madam is a palindrome\n" ] } ], "prompt_number": 9 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 13: Page No. L.24" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Largest and smallest number in array\n", "\n", "#User input\n", "n= input(\"Enter the nth term of an array: \")\n", "\n", "for i in range(0,n):\n", " a[i]=eval(raw_input())\n", "\n", "#check if the given array is large or small. \n", " for i in range(1,n):\n", " if a[i]>large:\n", " large=a[i]\n", " \n", " else:\n", " if a[i]a[j]:\n", " temp=a[i]\n", " a[i]=a[j]\n", " a[j]=temp\n", " \n", "print \"\\nThe Elements in ascending order\\n\"\n", "\n", "for i in range(0,n):\n", " print \"%.2f\"%a[i]" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the last term of the array: 6\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "23\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "14\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "-90\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "-67\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "48\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "01\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "\n", "The Elements in ascending order\n", "\n", "-90.00\n", "-67.00\n", "1.00\n", "14.00\n", "23.00\n", "48.00\n" ] } ], "prompt_number": 47 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 15: Page No. L.27" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Insert element in specified position in an array\n", "\n", "import array\n", "\n", "#User input\n", "n=input(\"Enter the last value: \")\n", "a=[0 for i in range(0,n) ]\n", "print \"Enter the elements of array: \"\n", "for i in range(0,n):\n", " a[i]=eval(raw_input())\n", " \n", "#Getting inserting element and position from users\n", "item=input(\"Enter the element to be inserted: \")\n", "pos=input(\"Enter the position of insertion: \")\n", "a.insert(pos,item)\n", "#Result\n", "print \"\\nElements after insertion is : \"\n", "for i in range(0,n+1):\n", " print \"%.2f\"%a[i]\n", " " ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the last value: 5\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter the elements of array: \n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "12\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "34\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "56\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "90\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "32\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the element to be inserted: 36\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the position of insertion: 4\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "\n", "Elements after insertion is : \n", "12.00\n", "34.00\n", "56.00\n", "90.00\n", "36.00\n", "32.00\n" ] } ], "prompt_number": 3 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 16: Page.no.L.29" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Transpose of the matrix\n", "\n", "#User Input\n", "\n", "a=[]\n", "\n", "n,m=input(\"Enter the Row and Columns: \")\n", "print \"Enter the elements of matrix:\"\n", "for i in range(n):\n", " a.append([])\n", " \n", " for j in range(m):\n", " element=input()\n", " a[i].append(element)\n", "\n", "#print matrix\n", "print \"\\nElements in matrix: \"\n", "for i in range(n):\n", " for j in range(m):\n", " print a[i][j],\n", " print '\\n'\n", "\n", "\n", "#generate transpose\n", "transpose=[]\n", "for j in range(m):\n", " transpose.append([])\n", " for i in range (n):\n", " b=a[i][j]\n", " transpose[j].append(b)\n", "\n", "#print transpose\n", "print \"Transpose of the matrix is: \"\n", "for i in range (m):\n", " for j in range (n):\n", " print transpose[i][j],\n", " print '\\n'\n" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the Row and Columns: 3,3\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter the elements of matrix:\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "1\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "2\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "3\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "4\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "5\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "6\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "7\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "8\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "9\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "\n", "Elements in matrix: \n", "1 2 3 \n", "\n", "4 5 6 \n", "\n", "7 8 9 \n", "\n", "Transpose of the matrix is: \n", "1 4 7 \n", "\n", "2 5 8 \n", "\n", "3 6 9 \n", "\n" ] } ], "prompt_number": 52 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 17: Page no. L.32" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Program to find sum of an array matrix\n", "#Array Declaration\n", "\n", "a=[]\n", "b=[]\n", "c=[[0 for i in xrange(0,5)] for i in xrange(0,5)]\n", "#User Input1\n", "n,m=input(\"Enter the Row and Columns of A Matrix: \")\n", "print \"Enter the elements of A matrix:\"\n", "for i in range(n):\n", " a.append([])\n", " \n", " for j in range(m):\n", " element=input()\n", " a[i].append(element)\n", "\n", "#print matrix1\n", "print \"\\nElements in A matrix: \"\n", "for i in range(n):\n", " for j in range(m):\n", " print a[i][j],\n", " print '\\n'\n", "\n", " \n", "#User Input 2\n", "p,q=input(\"Enter the Row and Columns of B Matrix: \")\n", "print \"Enter the elements of B matrix:\"\n", "for i in range(p):\n", " b.append([])\n", " \n", " for j in range(q):\n", " element=input()\n", " b[i].append(element)\n", "\n", "#print matrix 2\n", "print \"\\nElements in B matrix: \"\n", "for i in range(p):\n", " for j in range(q):\n", " print b[i][j],\n", " print '\\n'\n", "\n", "#Addition of array in matrix \n", "for i in range(n):\n", " for j in range(m):\n", " c[i][j] += a[i][j] + b[i][j]\n", "\n", "#Result\n", "print \"\\nThe Sum of A and B matrix: \"\n", "for i in range(n):\n", " for j in range(m):\n", " print \"%5d\"%c[i][j],\n", " print '\\n'" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the Row and Columns of A Matrix: 3,3\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter the elements of A matrix:\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "1\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "2\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "3\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "4\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "5\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "6\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "7\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "8\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "9\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "\n", "Elements in A matrix: \n", "1 2 3 \n", "\n", "4 5 6 \n", "\n", "7 8 9 \n", "\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the Row and Columns of B Matrix: 3,3\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter the elements of B matrix:\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "1\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "2\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "3\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "4\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "5\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "6\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "6\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "7\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "4\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "\n", "Elements in B matrix: \n", "1 2 3 \n", "\n", "4 5 6 \n", "\n", "6 7 4 \n", "\n", "\n", "The Sum of A and B matrix: \n", " 2 4 6 \n", "\n", " 8 10 12 \n", "\n", " 13 15 13 \n", "\n" ] } ], "prompt_number": 80 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 18: Page No. :L.35" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Program to find Matrix Multiplication \n", "#Array Declaration\n", "\n", "a=[]\n", "b=[]\n", "c=[[0 for i in xrange(0,5)] for i in xrange(0,5)]\n", "\n", "while True:\n", "#User Input1\n", " n,m=input(\"Enter the Row and Columns of A Matrix: \")\n", " p,q=input(\"Enter the Row and Columns of B Matrix: \")\n", " if (n==m&p==q):\n", " print \"Enter the elements of A matrix:\" \n", " for i in range(n):\n", " a.append([]) \n", " for j in range(m):\n", " element=input()\n", " a[i].append(element)\n", "#print matrix1\n", " print \"\\nElements in A matrix: \"\n", " for i in range(n):\n", " for j in range(m):\n", " print a[i][j],\n", " print '\\n'\n", " \n", "#User Input 2 \n", " print \"Enter the elements of B matrix:\"\n", " for i in range(p):\n", " b.append([])\n", " for j in range(q):\n", " element=input()\n", " b[i].append(element)\n", "\n", "#print matrix 2\n", " print \"\\nElements in B matrix: \"\n", " for i in range(p):\n", " for j in range(q):\n", " print b[i][j],\n", " print '\\n'\n", "\n", "#Multiplication of array in matrix \n", " for i in range(0,m):\n", " for j in range(0,n):\n", " c[i][j] = 0\n", " for k in range(0,n):\n", " c[i][j] += a[i][k] * b[k][j]\n", " \n", "#Result\n", " print \"\\nThe Multiplication of A and B matrix: \"\n", " for i in range(n):\n", " for j in range(m):\n", " print \"%5d\"%c[i][j],\n", " print '\\n'\n", " break\n", " else:\n", " print \"The No. of rows and columns are not equal.\\n\"" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the Row and Columns of A Matrix: 3,3\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the Row and Columns of B Matrix: 2,2\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "The No. of rows and columns are not equal.\n", "\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the Row and Columns of A Matrix: 3,3\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the Row and Columns of B Matrix: 3,3\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter the elements of A matrix:\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "1\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "2\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "3\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "4\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "5\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "6\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "7\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "8\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "9\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "\n", "Elements in A matrix: \n", "1 2 3 \n", "\n", "4 5 6 \n", "\n", "7 8 9 \n", "\n", "Enter the elements of B matrix:\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "2\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "4\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "1\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "6\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "7\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "4\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "3\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "5\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "7\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "\n", "Elements in B matrix: \n", "2 4 1 \n", "\n", "6 7 4 \n", "\n", "3 5 7 \n", "\n", "\n", "The Multiplication of A and B matrix: \n", " 23 33 30 \n", "\n", " 56 81 66 \n", "\n", " 89 129 102 \n", "\n" ] } ], "prompt_number": 93 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 19: Page No. L.38" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Student grade using structure\n", "\n", "#User Input\n", "n=input(\"Enter the number of students: \")\n", "\n", "#Defining Structure\n", "class std:\n", " no=0\n", " name = ''\n", " m1 = m2 = m3 =0\n", " total=avg=0.0\n", " grade= ''\n", " \n", "s=[std() for i in range(0,n)]\n", "\n", "#User Input\n", "for i in range(0,n):\n", " print \"\\nEnter the student %d details\"%(i+1)\n", " print \"\\n\"\n", " s[i].no=int(input(\"Give Student Number: \"))\n", " s[i].name=raw_input(\"Enter the Student Name: \")\n", " s[i].m1=int(input(\"Enter Student Mark1: \"))\n", " s[i].m2=int(input(\"Enter Student Mark2: \"))\n", " s[i].m3=int(input(\"Enter Student Mark3: \"))\n", "\n", "\n", "#Calculation \n", " s[i].total = (s[i].m1 + s[i].m2 + s[i].m3)\n", " s[i].avg=(s[i].total / 3)\n", " if s[i].avg<=40:\n", " s[i].grade='D'\n", " elif s[i].avg<60:\n", " s[i].grade='C'\n", " elif s[i].avg<80:\n", " s[i].grade='B'\n", " else:\n", " s[i].grade='A'\n", " \n", "#Result\n", "print \"\\tStudent mark details.... \\n\"\n", "print \"Roll No\\t Name \\t\\tMark1 \\tMark2 \\tMark3 \\tTotal \\tAverage \\tGrade\"\n", "for i in range(0,n):\n", " print \"%d\\t\"%(s[i].no),\"%s\\t\\t\"%(s[i].name), \"%d\\t\"%(s[i].m1),\"%d\\t\"%(s[i].m2),\"%d\\t\"%(s[i].m3), \"%.2f\\t\"%(s[i].total), \"%.2f\\t\\t\"%(s[i].avg), \"%s\\t\"%(s[i].grade)\n", " " ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the number of students: 2\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "\n", "Enter the student 1 details\n", "\n", "\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Give Student Number: 100\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the Student Name: Venkat\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter Student Mark1: 89\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter Student Mark2: 87\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter Student Mark3: 76\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "\n", "Enter the student 2 details\n", "\n", "\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Give Student Number: 101\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the Student Name: Shankar\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter Student Mark1: 87\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter Student Mark2: 90\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter Student Mark3: 67\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "\tStudent mark details.... \n", "\n", "Roll No\t Name \t\tMark1 \tMark2 \tMark3 \tTotal \tAverage \tGrade\n", "100\tVenkat\t\t89\t87\t76\t252.00\t84.00\t\tA\t\n", "101\tShankar\t\t87\t90\t67\t244.00\t81.00\t\tA\t\n" ] } ], "prompt_number": 43 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 20: Page No. L.40" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Employee details using Union\n", "\n", "#Defining Union\n", "\n", "class union:\n", " name=\"\"\n", " idno=0\n", " salary=0.0\n", " \n", "desc=union()\n", "\n", "desc.name=\"vinod\"\n", "\n", "print \"Employee details:\"\n", "\n", "print \"The name is %s\\n\"%(desc.name)\n", "print \"The idno is %d\\n\"%(desc.idno)\n", "print \"The salary is %6.2f\\n\"%(desc.salary)\n", "\n", "desc.idno=10\n", "\n", "print \"Employe details:\"\n", "\n", "print \"The name is %s\\n\"%(desc.name)\n", "print \"The idno is %d\\n\"%(desc.idno)\n", "print \"The salary is %6.2f\\n\"%(desc.salary)\n", "\n", "desc.salary=6500.00\n", "\n", "print \"Employee details:\"\n", "\n", "print \"The name is %s\\n\"%(desc.name)\n", "print \"The idno is %d\\n\"%(desc.idno)\n", "print \"The salary is %6.2f\\n\"%(desc.salary)" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Employee details:\n", "The name is vinod\n", "\n", "The idno is 0\n", "\n", "The salary is 0.00\n", "\n", "Employe details:\n", "The name is vinod\n", "\n", "The idno is 10\n", "\n", "The salary is 0.00\n", "\n", "Employee details:\n", "The name is vinod\n", "\n", "The idno is 10\n", "\n", "The salary is 6500.00\n", "\n" ] } ], "prompt_number": 58 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 21: Page No. L.41" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Swap the contents of two variable using pointer.\n", "\n", "#swapping function.\n", "\n", "def interchange(x,y):\n", " temp=x\n", " x=y\n", " y=temp\n", " return x,y\n", "\n", "#User Input\n", "a,b = input(\"Enter the values of A and B: \")\n", "#Result before interchanging\n", "print \"a=%d b=%d\\n\"%(a,b)\n", "\n", "\n", "#Result after interchanging\n", "print \"After interchanging: \\n\"\n", "\n", "print \"a=%d b=%d\\n\"%(interchange(a,b))\n" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the values of A and B: 23,56\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "a=23 b=56\n", "\n", "After interchanging: \n", "\n", "a=56 b=23\n", "\n" ] } ], "prompt_number": 66 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 22: Page No.: L.43" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Concatenate two strings using Dynamic Memory Allocation \n", "\n", "s1= raw_input(\"Enter String One: \")\n", "s2=raw_input(\"Enter String two: \")\n", "\n", "s3=''\n", "s3=s1+s2 \n", "#Result\n", "print \"Concatenated String: \", s1+s2" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter String One: venkat\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter String two: raman\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Concatenated String: venkatraman\n" ] } ], "prompt_number": 4 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 23: Page No. L.44" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#program to store and print same data to and from the file.\n", "\n", "#open file\n", "fp=open(\"Text.txt\",\"w\")\n", "\n", "#User Input\n", "c=raw_input(\"Enter the Text: \")\n", "\n", "#Store given input into a file \"text.txt\"\n", "fp.write(c)\n", "\n", "#Closing file\n", "fp.close()\n", "\n", "#Again open text.txt\n", "fp=open(\"Text.txt\", \"r\")\n", "\n", "#display the content from the file \"text.txt\"\n", "print \"Displaying text from file:\\n\",c \n", "fp.close()" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the Text: VRB PUBLISHERS\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Displaying text from file:\n", "VRB PUBLISHERS\n" ] } ], "prompt_number": 13 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 24: Page No. L.46" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Program to count number of characters in a file.\n", "\n", "#create a file\n", "fp=open(\"str.txt\",\"w\")\n", "c=\"\"\n", "print \"Enter the Characters:\"\n", "print \"Press ctrl+z to stop entry\"\n", "\n", "#User Input\n", "c=raw_input()\n", "#store input into the file\n", "fp.write(c)\n", "fp.close()\n", "\n", "#Again open the file to read\n", "fp=open(\"str.txt\",\"r\")\n", "\n", "#Result\n", "print \"\\n%s\"%(c)\n", "print \"Number of characters in the file: \",len(c)\n", "fp.close()" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Enter the Characters:\n", "Press ctrl+z to stop entry\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "vrb publishers private limited\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "\n", "vrb publishers private limited\n", "Number of characters in the file: 30\n" ] } ], "prompt_number": 23 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Exercise 25: Page No.: L.48" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Program using Memory Allocation function\n", "\n", "NULL=0\n", "buffer_size=10\n", "\n", "buffer1 = \"BOMBAY\"\n", "print \"Buffer of size %d created\"%(buffer_size)\n", "print \"Buffer contains\", buffer1\n", " \n", "\n", "if buffer_size==NULL:\n", " print \"Malloc failed\"\n", " \n", "else:\n", " print \"Buffer size modified\"\n", " print \"Buffer still contains:\", buffer1\n", " \n", "buffer1=\"MUMBAI\"\n", "print \"Buffer now contains:\", buffer1" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Buffer of size 10 created\n", "Buffer contains BOMBAY\n", "Buffer size modified\n", "Buffer still contains: BOMBAY\n", "Buffer now contains: MUMBAI\n" ] } ], "prompt_number": 19 } ], "metadata": {} } ] }