{ "metadata": { "name": "", "signature": "sha256:2b328a00a423d96b629425895ccbcc90fde898bdf09e6f58382db5eb59593f31" }, "nbformat": 3, "nbformat_minor": 0, "worksheets": [ { "cells": [ { "cell_type": "heading", "level": 1, "metadata": {}, "source": [ "Chapter 9: Structures & Unions" ] }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 9.1, page no. 338" ] }, { "cell_type": "code", "collapsed": false, "input": [ "class date:\n", " dat = 0\n", " month = 0\n", " year = 0\n", "class person:\n", " name = ''\n", " lastnam = ''\n", " birthday = date()\n", " salary = 0.0\n", "emprec = person()\n", "birth = emprec.birthday\n", "emprec.name = \"Tejaswi.V.\"\n", "emprec.lastnam = \"Rajuk\"\n", "emprec.birthday.day = 24\n", "emprec.birthday.month = 7\n", "emprec.birthday.year = 90\n", "x = 6500.00\n", "emprec.salary = x\n", "print \"Employee Details: \"\n", "print \"Name: \", emprec.name, \" \", emprec.lastnam\n", "print \"Birthdate: \", emprec.birthday.day, \":\", emprec.birthday.month, \":\", emprec.birthday.year\n", "print \"Salary: \", emprec.salary" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Employee Details: \n", "Name: Tejaswi.V. Rajuk\n", "Birthdate: 24 : 7 : 90\n", "Salary: 6500.0\n" ] } ], "prompt_number": 2 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 9.2, page no. 340" ] }, { "cell_type": "code", "collapsed": false, "input": [ "CURRENT_YEAR = 96\n", "def increment(sal, year, inc):\n", " if CURRENT_YEAR - year > 30:\n", " sal += inc\n", " return sal\n", "class date:\n", " day = 0\n", " month = 0\n", " year = 0\n", "class person:\n", " name = ''\n", " birthday = date()\n", " salary = 0.0\n", "n = 500\n", "emprec = person()\n", "emprec.name = 'Arun R.'\n", "emprec.birthday.day = 10\n", "emprec.birthday.month = 8\n", "emprec.birthday.year = 64\n", "emprec.salary = 4000.00\n", "print \"Employee Details: \"\n", "print \"Name: \", emprec.name\n", "print \"Birthdate: \", emprec.birthday.day, \":\", emprec.birthday.month, \":\", emprec.birthday.year\n", "print \"Salary: \", emprec.salary\n", "emprec.salary = increment(emprec.salary, emprec.birthday.year, n)\n", "print \"Employee Details: \"\n", "print \"Name: \", emprec.name\n", "print \"Birthdate: \", emprec.birthday.day, \":\", emprec.birthday.month, \":\", emprec.birthday.year\n", "print \"Salary: \", emprec.salary" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Employee Details: \n", "Name: Arun R.\n", "Birthdate: 10 : 8 : 64\n", "Salary: 4000.0\n", "Employee Details: \n", "Name: Arun R.\n", "Birthdate: 10 : 8 : 64\n", "Salary: 4500.0\n" ] } ], "prompt_number": 3 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 9.3, page no. 342" ] }, { "cell_type": "code", "collapsed": false, "input": [ "CURRENT_YEAR = 96\n", "def increment(emprec):\n", " if CURRENT_YEAR - emprec.birthday.year > 30:\n", " emprec.salary += 500\n", " return emprec\n", "class date:\n", " day = 0\n", " month = 0\n", " year = 0\n", "class person:\n", " name = ''\n", " birthday = date()\n", " salary = 0.0\n", "emprec = person()\n", "emprec.name = 'Arun R.'\n", "emprec.birthday.day = 10\n", "emprec.birthday.month = 8\n", "emprec.birthday.year = 64\n", "emprec.salary = 4000.00\n", "print \"Employee Details: \"\n", "print \"Name: \", emprec.name\n", "print \"Birthdate: \", emprec.birthday.day, \":\", emprec.birthday.month, \":\", emprec.birthday.year\n", "print \"Salary: \", emprec.salary\n", "emprec = increment(emprec)\n", "print \"Employee Details: \"\n", "print \"Name: \", emprec.name\n", "print \"Birthdate: \", emprec.birthday.day, \":\", emprec.birthday.month, \":\", emprec.birthday.year\n", "print \"Salary: \", emprec.salary" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Employee Details: \n", "Name: Arun R.\n", "Birthdate: 10 : 8 : 64\n", "Salary: 4000.0\n", "Employee Details: \n", "Name: Arun R.\n", "Birthdate: 10 : 8 : 64\n", "Salary: 4500.0\n" ] } ], "prompt_number": 6 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 9.4, page no. 343" ] }, { "cell_type": "code", "collapsed": false, "input": [ "class date:\n", " day = 0\n", " month = 0\n", " year = 0\n", "\n", "class person:\n", " name = ''\n", " birthday = date()\n", " salary = 0.0\n", "\n", "def printout(per):\n", " print \"Employee Details: \"\n", " print \"Name: \", per.name\n", " print \"Birthdate: %3d:%3d:%3d\" %(per.birthday.day, per.birthday.month, per.birthday.year)\n", " print \"Salary: %6.2f\" %(per.salary)\n", "\n", "def readin(record):\n", " record.name = raw_input(\"Enter the name: \")\n", " print \"Enter Birthdate\"\n", " record.birthday.day = int(raw_input(\"Day: \"))\n", " record.birthday.month = int(raw_input(\"Month: \"))\n", " record.birthday.year = int(raw_input(\"Year: \"))\n", " record.salary = float(raw_input(\"Enter the salary: \"))\n", "\n", "test = person()\n", "test.name = \"Arun\"\n", "test.birthday.day = 10\n", "test.birthday.month = 8\n", "test.birthday.year = 75\n", "test.salary = 4500.00\n", "temp = person()\n", "readin(temp)\n", "printout(test)" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the name: Balaji\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter Birthdate\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Day: 24\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Month: 2\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Year: 74\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the salary: 6500.00\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee Details: \n", "Name: Arun\n", "Birthdate: 24: 2: 74\n", "Salary: 4500.00\n" ] } ], "prompt_number": 1 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 9.5 page no. 344" ] }, { "cell_type": "code", "collapsed": false, "input": [ "class date:\n", " day = 0\n", " month = 0\n", " year = 0\n", "\n", "class person:\n", " name = ''\n", " birthday = date()\n", " salary = 0.0\n", "\n", "def printout(per):\n", " print \"Employee Details: \"\n", " print \"Name: \", per.name\n", " print \"Birthdate: %3d:%3d:%3d\" %(per.birthday.day, per.birthday.month, per.birthday.year)\n", " print \"Salary: %6.2f\" %(per.salary)\n", "\n", "def readin(record):\n", " record.name = raw_input(\"Enter the name: \")\n", " print \"Enter Birthdate\"\n", " record.birthday.day = int(raw_input(\"Day: \"))\n", " record.birthday.month = int(raw_input(\"Month: \"))\n", " record.birthday.year = int(raw_input(\"Year: \"))\n", " record.salary = float(raw_input(\"Enter the salary: \"))\n", "\n", "test = person()\n", "test.name = \"Arun\"\n", "test.birthday.day = 10\n", "test.birthday.month = 8\n", "test.birthday.year = 75\n", "test.salary = 4500.00\n", "temp = person()\n", "readin(temp)\n", "printout(temp)" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the name: Balaji\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter Birthdate\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Day: 24\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Month: 2\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Year: 74\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the salary: 6500.00\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee Details: \n", "Name: Balaji\n", "Birthdate: 24: 2: 74\n", "Salary: 6500.00\n" ] } ], "prompt_number": 3 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 9.6, page no. 346" ] }, { "cell_type": "code", "collapsed": false, "input": [ "class date:\n", " day = 0\n", " month = 0\n", " year = 0\n", "\n", "class person:\n", " name = ''\n", " birthday = date()\n", " salary = 0.0\n", " \n", " def __init__(self, n, dt, sal):\n", " self.name = n\n", " self.birthday.day = dt[0]\n", " self.birthday.month = dt[1]\n", " self.birthday.year = dt[2]\n", " self.salary = sal\n", "\n", "def printout(per):\n", " print \"Employee Details: \"\n", " print \"Name: \", per.name\n", " print \"Birthdate: %3d:%3d:%3d\" %(per.birthday.day, per.birthday.month, per.birthday.year)\n", " print \"Salary: %6.2f\" %(per.salary)\n", "\n", "def highest(sals):\n", " return max(sals)\n", " \n", "record = [[\"Arun R.\", 10, 8, 75, 4000.00],\n", " [\"vinod S.\", 3, 10, 74, 3000.00],\n", " [\"Tanuj M.\", 21, 1, 73, 5500.00]]\n", "\n", "emp1 = person(record[0][0], (record[0][1], record[0][2], record[0][3]), record[0][4])\n", "emp2 = person(record[1][0], (record[1][1], record[1][2], record[1][3]), record[1][4])\n", "emp3 = person(record[2][0], (record[2][1], record[2][2], record[2][3]), record[2][4])\n", "\n", "sals = [emp1.salary, emp2.salary, emp3.salary]\n", "\n", "highest = highest(sals)\n", "print \"The highest salary being paid is %6.2f\" %highest\n", "printout(emp3)" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "The highest salary being paid is 5500.00\n", "Employee Details: \n", "Name: Tanuj M.\n", "Birthdate: 21: 1: 73\n", "Salary: 5500.00\n" ] } ], "prompt_number": 5 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 9.7, page no. 347" ] }, { "cell_type": "code", "collapsed": false, "input": [ "class date:\n", " day = 0\n", " month = 0\n", " year = 0\n", "\n", "class person:\n", " name = ''\n", " birthday = date()\n", " salary = 0.0\n", "\n", "def readin(rec, list1):\n", " rec.name = list1[0]\n", " rec.birthday.day = list1[1]\n", " rec.birthday.month = list1[2]\n", " rec.birthday.year = list1[3]\n", " rec.salary = list1[4]\n", "\n", " \n", "def printout(per):\n", " print \"Employee Details: \"\n", " print \"Name: \", per.name\n", " print \"Birthdate: %3d:%3d:%3d\" %(per.birthday.day, per.birthday.month, per.birthday.year)\n", " print \"Salary: %6.2f\" %(per.salary)\n", "\n", "def highest(sals):\n", " return max(sals)\n", " \n", "record = [[\"Tejaswi\", 24, 7, 70, 7000.00],\n", " [\"vinod S.\", 3, 10, 74, 3000.00],\n", " [\"Tanuj M.\", 21, 1, 73, 5500.00]]\n", "\n", "emp1 = person()\n", "readin(emp1, record[0])\n", "print emp1.birthday.day\n", "emp2 = person()\n", "readin(emp2, record[1])\n", "emp3 = person()\n", "readin(emp3, record[2])\n", "\n", "highest = highest([emp1.salary, emp2.salary, emp3.salary])\n", "temp = emp1\n", "print \"Highest salary being paid is \", highest\n", "printout(temp)" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "24\n", "Highest salary being paid is 7000.0\n", "Employee Details: \n", "Name: Tejaswi\n", "Birthdate: 21: 1: 73\n", "Salary: 7000.00\n" ] } ], "prompt_number": 13 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 9.8, page no. 349" ] }, { "cell_type": "code", "collapsed": false, "input": [ "class date:\n", " day = 0\n", " month = 0\n", " year = 0\n", "\n", "class person:\n", " name = ''\n", " birthday = date()\n", " salary = 0.0\n", "\n", "def readin():\n", " record = []\n", " for i in range(3):\n", " print \"Employee no. \", i+1\n", " temp = person()\n", " temp.name = raw_input(\"Enter the name: \")\n", " print \"Enter Birthdate\"\n", " temp.birthday.day = int(raw_input(\"Day: \"))\n", " temp.birthday.month = int(raw_input(\"Month: \"))\n", " temp.birthday.year = int(raw_input(\"Year: \"))\n", " temp.salary = float(raw_input(\"Enter the salary: \"))\n", " record.append(temp)\n", " return record\n", "\n", "def printout(per):\n", " print \"Employee Details: \"\n", " print \"Name: \", per.name\n", " print \"Birthdate: %3d:%3d:%3d\" %(per.birthday.day, per.birthday.month, per.birthday.year)\n", " print \"Salary: %6.2f\" %(per.salary)\n", "\n", "record = readin()\n", "for i in range(3):\n", " printout(record[i])\n", " print \"hit enter to continue...\"\n", " raw_input()\n", " \n", "#there is a printing mistake in the book" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Employee no. 1\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the name: Balaji\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter Birthdate\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Day: 24\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Month: 2\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Year: 74\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the salary: 6500.50\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee no. 2\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the name: Tarun\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter Birthdate\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Day: 30\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Month: 9\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Year: 69\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the salary: 6890.00\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee no. 3\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the name: Vinod\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter Birthdate\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Day: 7\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Month: 6\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Year: 70\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the salary: 6700.00\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee Details: \n", "Name: Balaji\n", "Birthdate: 7: 6: 70\n", "Salary: 6500.50\n", "hit enter to continue...\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee Details: \n", "Name: Tarun\n", "Birthdate: 7: 6: 70\n", "Salary: 6890.00\n", "hit enter to continue...\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee Details: \n", "Name: Vinod\n", "Birthdate: 7: 6: 70\n", "Salary: 6700.00\n", "hit enter to continue...\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "\n" ] } ], "prompt_number": 17 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 9.9, page no. 351" ] }, { "cell_type": "code", "collapsed": false, "input": [ "class date:\n", " day = 0\n", " month = 0\n", " year = 0\n", "\n", "class person:\n", " name = ''\n", " birthday = date()\n", " salary = 0.0\n", "\n", "def readin(n):\n", " record = []\n", " for i in range(n):\n", " print \"Employee no. \", i+1\n", " temp = person()\n", " temp.name = raw_input(\"Enter the name: \")\n", " print \"Enter Birthdate\"\n", " temp.birthday.day = int(raw_input(\"Day: \"))\n", " temp.birthday.month = int(raw_input(\"Month: \"))\n", " temp.birthday.year = int(raw_input(\"Year: \"))\n", " temp.salary = float(raw_input(\"Enter the salary: \"))\n", " record.append(temp)\n", " return record\n", "\n", "def printout(record):\n", " for i in range(n):\n", " print \"Employee Details: \"\n", " print \"Name: \", record[i].name\n", " print \"Birthdate: %3d:%3d:%3d\" %(record[i].birthday.day, record[i].birthday.month, record[i].birthday.year)\n", " print \"Salary: %6.2f\" %(record[i].salary)\n", "\n", "def sortalpha(rec):\n", " for i in range(n-1):\n", " for j in range(n-i-1):\n", " if rec[j].name > rec[j+1].name:\n", " rec[j], rec[j+1] = rec[j+1], rec[j]\n", " return rec\n", "\n", "def sortage(rec):\n", " for i in range(n-1):\n", " for j in range(n-i-1):\n", " if (rec[j].birthday.year > rec[j+1].birthday.year or rec[j].birthday.year == rec[j+1].birthday.year and\n", " rec[j].birthday.month > rec[j+1].birthday.month or rec[j].birthday.month == rec[j+1].birthday.month and\n", " rec[j].birthday.day > rec[j+1].birthday.day or rec[j].birthday.day == rec[j+1].birthday.day):\n", " rec[j], rec[j+1] = rec[j+1], rec[j]\n", " return rec\n", "\n", "def sortsal(rec):\n", " for i in range(n-1):\n", " for j in range(n-i-1):\n", " if rec[j].salary > rec[j+1].salary:\n", " rec[j], rec[j+1] = rec[j+1], rec[j]\n", " return rec\n", "\n", "n = int(raw_input(\"Enter the number of records: \"))\n", "record = readin(n)\n", "\n", "flag = True\n", "while(flag):\n", " print \"1: SORT BY NAME\"\n", " print \"2: SORT BY AGE\"\n", " print \"3: SORT BY SALARY\"\n", " print \"4: QUIT \"\n", " i = int(raw_input(\"Enter your choice: \"))\n", " if i == 1:\n", " sorted_rec = sortalpha(record)\n", " printout(sorted_rec)\n", " elif i == 2:\n", " sorted_rec = sortage(record)\n", " printout(sorted_rec)\n", " elif i == 3:\n", " sorted_rec = sortsal(record)\n", " printout(sorted_rec)\n", " elif i == 4:\n", " flag = False\n", " break\n", " else:\n", " print \"invalid choice...\"" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the number of records: 5\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee no. 1\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the name: Vinod\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter Birthdate\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Day: 23\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Month: 8\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Year: 74\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the salary: 6500\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee no. 2\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the name: Arun\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter Birthdate\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Day: 10\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Month: 5\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Year: 70\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the salary: 7000\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee no. 3\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the name: Puneet\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter Birthdate\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Day: 30\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Month: 6\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Year: 74\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the salary: 6900\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee no. 4\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the name: Tanuj\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter Birthdate\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Day: 7\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Month: 1\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Year: 70\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the salary: 7700\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee no. 5\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the name: Rohit\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Enter Birthdate\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Day: 17\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Month: 12\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Year: 73\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter the salary: 6800\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "1: SORT BY NAME\n", "2: SORT BY AGE\n", "3: SORT BY SALARY\n", "4: QUIT \n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter your choice: 1\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee Details: \n", "Name: Arun\n", "Birthdate: 17: 12: 73\n", "Salary: 7000.00\n", "Employee Details: \n", "Name: Puneet\n", "Birthdate: 17: 12: 73\n", "Salary: 6900.00\n", "Employee Details: \n", "Name: Rohit\n", "Birthdate: 17: 12: 73\n", "Salary: 6800.00\n", "Employee Details: \n", "Name: Tanuj\n", "Birthdate: 17: 12: 73\n", "Salary: 7700.00\n", "Employee Details: \n", "Name: Vinod\n", "Birthdate: 17: 12: 73\n", "Salary: 6500.00\n", "1: SORT BY NAME\n", "2: SORT BY AGE\n", "3: SORT BY SALARY\n", "4: QUIT \n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter your choice: 2\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee Details: \n", "Name: Vinod\n", "Birthdate: 17: 12: 73\n", "Salary: 6500.00\n", "Employee Details: \n", "Name: Tanuj\n", "Birthdate: 17: 12: 73\n", "Salary: 7700.00\n", "Employee Details: \n", "Name: Rohit\n", "Birthdate: 17: 12: 73\n", "Salary: 6800.00\n", "Employee Details: \n", "Name: Puneet\n", "Birthdate: 17: 12: 73\n", "Salary: 6900.00\n", "Employee Details: \n", "Name: Arun\n", "Birthdate: 17: 12: 73\n", "Salary: 7000.00\n", "1: SORT BY NAME\n", "2: SORT BY AGE\n", "3: SORT BY SALARY\n", "4: QUIT \n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter your choice: 33\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "invalid choice...\n", "1: SORT BY NAME\n", "2: SORT BY AGE\n", "3: SORT BY SALARY\n", "4: QUIT \n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter your choice: 3\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Employee Details: \n", "Name: Vinod\n", "Birthdate: 17: 12: 73\n", "Salary: 6500.00\n", "Employee Details: \n", "Name: Rohit\n", "Birthdate: 17: 12: 73\n", "Salary: 6800.00\n", "Employee Details: \n", "Name: Puneet\n", "Birthdate: 17: 12: 73\n", "Salary: 6900.00\n", "Employee Details: \n", "Name: Arun\n", "Birthdate: 17: 12: 73\n", "Salary: 7000.00\n", "Employee Details: \n", "Name: Tanuj\n", "Birthdate: 17: 12: 73\n", "Salary: 7700.00\n", "1: SORT BY NAME\n", "2: SORT BY AGE\n", "3: SORT BY SALARY\n", "4: QUIT \n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter your choice: 4\n" ] } ], "prompt_number": 23 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example mem.c, page no. 359" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Note: There is no concept of unions in Python. We will implment using classes\n", "\n", "import sys\n", "\n", "class emp:\n", " name = ''\n", " idno = 0\n", " salary = 0.0\n", "\n", "class desc:\n", " name = ''\n", " idno = 0\n", " salary = 0.0\n", "\n", "e = emp()\n", "d = desc()\n", " \n", "print \"The size of the structure is \", sys.getsizeof(e)\n", "print \"The size of the union is \", sys.getsizeof(d)" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "The size of the structure is 72\n", "The size of the union is 72\n" ] } ], "prompt_number": 24 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example on page no. 359" ] }, { "cell_type": "code", "collapsed": false, "input": [ "class desc:\n", " name = ''\n", " idno = 0\n", " salary = 0.0\n", "\n", "des = desc()\n", "des.name = 'Vinod'\n", "print \"Employee Details: \"\n", "print \"The name is \", des.name\n", "print \"The idno is \", des.idno\n", "print \"The salary is \", des.salary\n", "des.idno = 10\n", "print \"Employee Details: \"\n", "print \"The name is \", des.name\n", "print \"The idno is \", des.idno\n", "print \"The salary is \", des.salary\n", "des.salary = 6500.00\n", "print \"Employee Details: \"\n", "print \"The name is \", des.name\n", "print \"The idno is \", des.idno\n", "print \"The salary is \", des.salary\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Employee Details: \n", "The name is Vinod\n", "The idno is 0\n", "The salary is 0.0\n", "Employee Details: \n", "The name is Vinod\n", "The idno is 10\n", "The salary is 0.0\n", "Employee Details: \n", "The name is Vinod\n", "The idno is 10\n", "The salary is 6500.0\n" ] } ], "prompt_number": 2 } ], "metadata": {} } ] }