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-{
- "metadata": {
- "name": "",
- "signature": "sha256:e61d5eac9962a1b27acd93d08c5b466532db593eb946c997e161cd14ea1acee1"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 01 : Operators and Expressions"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 1: Page No.:4.35"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Usage of Arithmetic operators\n",
- "\n",
- "#Variable declaration\n",
- "i=10\n",
- "j=20\n",
- "\n",
- "#the sum value of variables i and j stores in k variable \n",
- "k=i+j\n",
- "\n",
- "#Result\n",
- "print \"Value of k is %d\"%(k)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Value of k is 30\n"
- ]
- }
- ],
- "prompt_number": 5
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 2: Page No.:4.35"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# Demonstrations on arithmetic operators\n",
- "\n",
- "#User Input\n",
- "\n",
- "a,b,c,d=input(\"Enter values of a, b, c, d: \")\n",
- "\n",
- "#Calculation\n",
- "a+=(b*c)+d\n",
- "\n",
- "#Result\n",
- "print \"Value of a = %d \"%(a)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter values of a, b, c, d ,e: 12,90,56,43\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Value of a = 5095 \n"
- ]
- }
- ],
- "prompt_number": 8
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 3: Page No.:4.36"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Find out all arithmetic operation on two given values\n",
- "\n",
- "#Variable Declaration\n",
- "sum=sub=mul=rem=0\n",
- "div=0.0\n",
- "a=0\n",
- "#User Input\n",
- "b,c,d=input(\"Enter the values of b, c, d: \")\n",
- "\n",
- "sum = b + c\n",
- "sub = b - c\n",
- "mul = b * c\n",
- "div = b/c\n",
- "rem = b % d\n",
- "\n",
- "print \"Sum = %d, Sub = %d, Mul = %d, Div = %f\"%(sum,sub,mul,div)\n",
- "print \"Remainder of division of b & d is %d\"%(rem)\n",
- "print \"a=%d\"%(a)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter the values of b, c, d: 2,6,45\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Sum = 8, Sub = -4, Mul = 12, Div = 0.000000\n",
- "Remainder of division of b & d is 2\n",
- "a=0\n"
- ]
- }
- ],
- "prompt_number": 10
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 4: Page No.: 4.38"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Program to use various relational operators\n",
- "\n",
- "#!=,==,>=,<= are assignment operator\n",
- "\n",
- "print \"Condition : Return values\"\n",
- "print \" 5!=5 : %5d\"%(5!=5) \n",
- "print \" 5==5 : %5d\"%(5==5)\n",
- "print \" 5>=5 : %5d\"%(5>=5)\n",
- "print \" 5<=5 : %5d\"%(5<=50)\n",
- "print \" 5!=3 : %5d\"%(5!=3)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Condition : Return values\n",
- " 5!=5 : 0\n",
- " 5==5 : 1\n",
- " 5>=5 : 1\n",
- " 5<=5 : 1\n",
- " 5!=3 : 1\n"
- ]
- }
- ],
- "prompt_number": 14
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 5: Page No.:4.39"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# Demonstrate of logical operator\n",
- "\n",
- "#Variable Declaration\n",
- "c1=c2=c3=0\n",
- "\n",
- "#USer Input\n",
- "c1,c2,c3=input(\"Enter Values of C1, C2 and C3: \")\n",
- "print \"\\n\"\n",
- "\n",
- "if (c1<c2) and (c1<c3):\n",
- " print \"C1 is less than C2 and C3\"\n",
- "\n",
- "if not(c1) < (c2 ):\n",
- " print \"C1 is greater than C2\"\n",
- " \n",
- "if ((c1 < c2 or c1 < c3)):\n",
- " print \"C1 is less than C2 or C3 or both\"\n",
- " \n",
- "#else:\n",
- " # print \"Something went wrong. Check\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter Values of C1, C2 and C3: 45,32,98\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "\n",
- "C1 is greater than C2\n",
- "C1 is less than C2 or C3 or both\n"
- ]
- }
- ],
- "prompt_number": 7
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 6: Page No.: 4.40"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Demonstration of assignment operator\n",
- "\n",
- "#Variable Declaration\n",
- "i=4\n",
- "j=5\n",
- "\n",
- "#'=' is assignment operator\n",
- "i=j\n",
- "k=i\n",
- "\n",
- "#Result\n",
- "print \"K = %d\"%(k)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "K = 5\n"
- ]
- }
- ],
- "prompt_number": 44
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 7: Page No.:4.42"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Program using Increment and Decrement Operator.\n",
- "\n",
- "#Variable Declaration\n",
- "a=10\n",
- "\n",
- "#There is no post and pre increment in python\n",
- "#There is no post and pre decrement in python\n",
- "\n",
- "#Result\n",
- "print \"The Value of a = %d\"%(a)\n",
- "print \"Increment of a = %d\"%(a+1)\n",
- "print \"Decrement of a = %d\"%(a-1)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The Value of a = 10\n",
- "Increment of a = 11\n",
- "Decrement of a = 9\n"
- ]
- }
- ],
- "prompt_number": 50
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 8: Page No.:4.42"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Program using increment and decrement operators\n",
- "\n",
- "#Variable Declaration\n",
- "\n",
- "i=3\n",
- "j=4\n",
- "\n",
- "#No Pre Decrement and Pre Increment in python\n",
- "\n",
- "i=i+1 #Increment value\n",
- "j=j-1 #Decrement value\n",
- "\n",
- "k=i+j\n",
- "\n",
- "#Result\n",
- "print \"i = %d, j = %d, k = %d\"%(i,j,k)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "i = 4, j = 3, k = 7\n"
- ]
- }
- ],
- "prompt_number": 4
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9: Page No.: 4.46"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Program to illustrate sizeof operator\n",
- "\n",
- "import sys\n",
- "\n",
- "num=int(1234567890)\n",
- "dec=float(0.123456)\n",
- "ext=0.123456789\n",
- "ltr='A'\n",
- "string=\"Something to write home about....\"\n",
- "class struct():\n",
- " a=0\n",
- "boy=struct()\n",
- "\n",
- "#Result\n",
- "print \"Size of num is in %d bytes.\"%(sys.getsizeof(num))\n",
- "print \"Size of dec is in %d bytes.\"%(sys.getsizeof(dec))\n",
- "print \"Size of ext double is in %d bytes.\"%(sys.getsizeof(ext))\n",
- "print \"Size of ltr char is in %d bytes.\"%(sys.getsizeof(ltr))\n",
- "print \"Size of the string is in %d bytes.\"%(sys.getsizeof(string))\n",
- "print \"Size of struct is in %d bytes.\"%(sys.getsizeof(struct()))"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Size of num is in 12 bytes.\n",
- "Size of dec is in 16 bytes.\n",
- "Size of ext double is in 16 bytes.\n",
- "Size of ltr char is in 22 bytes.\n",
- "Size of the string is in 54 bytes.\n",
- "Size of struct is in 32 bytes.\n"
- ]
- }
- ],
- "prompt_number": 70
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Case Study 1: PageNo.:4.52"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Convert number of days to months and days\n",
- "\n",
- "#Variable Declaration\n",
- "m=0\n",
- "d=0\n",
- "\n",
- "#User Input\n",
- "nd=input(\"Enter the number of days= \")\n",
- "\n",
- "\n",
- "m=nd/30\n",
- "d=nd%30\n",
- "\n",
- "#Result\n",
- "print \"Number of months...\", m\n",
- "print \"Number of days...\", d"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter the number of days= 215\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Number of months... 7\n",
- "Number of days... 5\n"
- ]
- }
- ],
- "prompt_number": 74
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Case Study 2: Page No.:4.53"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Calculate Salesman Salary\n",
- "\n",
- "#Variable Declaration\n",
- "BASIC=2500\n",
- "BONUS_RATE=200\n",
- "COM=0.02\n",
- "\n",
- "qty=0\n",
- "GS=price=Bonus=Comm=0.0\n",
- "#User input\n",
- "qty,price=input(\"Enter the number of items Sold and Price...: \")\n",
- "\n",
- "Bonus=BONUS_RATE*qty\n",
- "Comm=COM*qty*price\n",
- "\n",
- "GS=BASIC+Bonus+Comm\n",
- "\n",
- "print \"Bonus.... %6.2f\"%(Bonus)\n",
- "\n",
- "print \"Commission.... %6.2f\"%(Comm)\n",
- "\n",
- "print \"Gross Salary... %6.2f\"%(GS)\n",
- "\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter the number of items Sold and Price...: 10,200\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Bonus.... 2000.00\n",
- "Commission.... 40.00\n",
- "Gross Salary... 4540.00\n"
- ]
- }
- ],
- "prompt_number": 75
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Case Study 3: Page No.:4.54"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Post increment using different storage classes\n",
- "\n",
- "#Defining function\n",
- "def postinc():\n",
- " x=1\n",
- " print \"X = %d\" %(x)\n",
- " x=x+1\n",
- " \n",
- "#Call Function\n",
- "postinc()\n",
- "postinc()\n",
- "postinc()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "X = 1\n",
- "X = 1\n",
- "X = 1\n"
- ]
- }
- ],
- "prompt_number": 77
- }
- ],
- "metadata": {}
- }
- ]
-} \ No newline at end of file