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 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 1 , Page number: CP-211"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Program to display student details\n",
      "# class declaration instead of a structure\n",
      "\n",
      "class student:\n",
      "    rno = 0\n",
      "    sname = \"\"\n",
      "    tot = 0\n",
      "\n",
      "# class object variable\n",
      "\n",
      "x = student()\n",
      "x.rno = 20147\n",
      "x.sname = \"PRADEEP\"\n",
      "x.tot = 64\n",
      "\n",
      "print \"Enter roll number, name and total marks\"\n",
      "print x.rno,x.sname,x.tot\n",
      "print \"     Details entered are\"\n",
      "print \"Roll No.       :\",x.rno\n",
      "print \"Student name   :\",x.sname\n",
      "print \"Total marks    :\",x.tot\n",
      "print \"Press any key to continue. . .\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter roll number, name and total marks\n",
        "20147 PRADEEP 64\n",
        "     Details entered are\n",
        "Roll No.       : 20147\n",
        "Student name   : PRADEEP\n",
        "Total marks    : 64\n",
        "Press any key to continue. . .\n"
       ]
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 2 , Page number: CP-212"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Program to input student details and print the marks of a specified student as output\n",
      "\n",
      "# class declaration for structure\n",
      "\n",
      "class student:\n",
      "    def __init__(self,rno,sname,tot):\n",
      "        self.rno = rno\n",
      "        self.sname = sname\n",
      "        self.tot = tot\n",
      "    \n",
      "# variable declaration\n",
      "\n",
      "ch = \"y\"\n",
      "n = 3\n",
      "\n",
      "# details of n students\n",
      "std = []\n",
      "std.append(student(20201,\"ARUN\",78))\n",
      "std.append(student(20208,\"DEEPAK\",69))\n",
      "std.append(student(20223,\"SUSMITHA\",88))\n",
      "\n",
      "print \"How many students ?\",n\n",
      "print \"Roll number ?\",std[0].rno\n",
      "print \"Name ?\",std[0].sname\n",
      "print \"Total marks ?\",std[0].tot\n",
      "print \"Roll number ?\",std[1].rno\n",
      "print \"Name ?\",std[1].sname\n",
      "print \"Total marks ?\",std[1].tot\n",
      "print \"Roll number ?\",std[2].rno\n",
      "print \"Name ?\",std[2].sname\n",
      "print \"Total marks ?\",std[2].tot\n",
      "print \n",
      "\n",
      "\n",
      "# To display marks of the student\n",
      "while ch == \"y\" or ch == \"Y\":\n",
      "    temp = 20208\n",
      "    print \"Enter student roll number to display marks :\",temp\n",
      "    print \n",
      "    flag = 0\n",
      "    #loop to search and display details\n",
      "    for i in range(3):\n",
      "        if flag == 0:\n",
      "            if std[i].rno == temp:\n",
      "                print \"Marks obtained by \",std[i].rno,std[i].sname\n",
      "                print \"Total   :\",std[i].tot\n",
      "                flag = 1\n",
      "    if flag == 0:\n",
      "        print temp,\" is not present in the list \"\n",
      "        \n",
      "    ch = \"n\"    \n",
      "    print \"press  y - to continue\"\n",
      "    print \"       any other key to stop.\",ch\n",
      "    "
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "How many students ? 3\n",
        "Roll number ? 20201\n",
        "Name ? ARUN\n",
        "Total marks ? 78\n",
        "Roll number ? 20208\n",
        "Name ? DEEPAK\n",
        "Total marks ? 69\n",
        "Roll number ? 20223\n",
        "Name ? SUSMITHA\n",
        "Total marks ? 88\n",
        "\n",
        "Enter student roll number to display marks : 20208\n",
        "\n",
        "Marks obtained by  20208 DEEPAK\n",
        "Total   : 69\n",
        "press  y - to continue\n",
        "       any other key to stop. n\n"
       ]
      }
     ],
     "prompt_number": 2
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 3 , Page number: CP-214"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Program to declare a structure for student details and display list of students who obtained more than 75 marks\n",
      "\n",
      "# class for student structure\n",
      "\n",
      "class student:\n",
      "    def __init__(self,rno,sname,tot):\n",
      "        self.rno = rno\n",
      "        self.sname = sname\n",
      "        self.tot = tot\n",
      "\n",
      "std = []\n",
      "std.append(student(30401,\"ANAND\",59))\n",
      "std.append(student(30404,\"NIRMAL\",64))\n",
      "std.append(student(30428,\"ISWARYA\",82))\n",
      "std.append(student(30432,\"VIVEKA\",79))\n",
      "\n",
      "n = 4\n",
      "print \"How many students ?\",n\n",
      "print \"Roll Number ?\",std[0].rno\n",
      "print \"Name ?\",std[0].sname\n",
      "print \"Total marks ?\",std[0].tot\n",
      "print \"Roll Number ?\",std[1].rno\n",
      "print \"Name ?\",std[1].sname\n",
      "print \"Total marks ?\",std[1].tot\n",
      "print \"Roll Number ?\",std[2].rno\n",
      "print \"Name ?\",std[2].sname\n",
      "print \"Total marks ?\",std[2].tot\n",
      "print \"Roll Number ?\",std[3].rno\n",
      "print \"Name ?\",std[3].sname\n",
      "print \"Total marks ?\",std[3].tot\n",
      "print \n",
      "\n",
      "\n",
      "print \"----------------------------------------------------\"\n",
      "print \"  Roll No.           Name            Total marks    \"\n",
      "print \"----------------------------------------------------\"\n",
      "for i in range(n):\n",
      "    if std[i].tot >= 75:\n",
      "        print \"    \",std[i].rno,\"          \",std[i].sname,\"         \",std[i].tot\n",
      "\n",
      "print \"----------------------------------------------------\"\n",
      "        "
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "How many students ? 4\n",
        "Roll Number ? 30401\n",
        "Name ? ANAND\n",
        "Total marks ? 59\n",
        "Roll Number ? 30404\n",
        "Name ? NIRMAL\n",
        "Total marks ? 64\n",
        "Roll Number ? 30428\n",
        "Name ? ISWARYA\n",
        "Total marks ? 82\n",
        "Roll Number ? 30432\n",
        "Name ? VIVEKA\n",
        "Total marks ? 79\n",
        "\n",
        "----------------------------------------------------\n",
        "  Roll No.           Name            Total marks    \n",
        "----------------------------------------------------\n",
        "     30428            ISWARYA           82\n",
        "     30432            VIVEKA           79\n",
        "----------------------------------------------------\n"
       ]
      }
     ],
     "prompt_number": 3
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 4 , Page number: CP-216"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Program to store employee information and to compute employee's pay\n",
      "\n",
      "import math\n",
      "# class declaration for employee\n",
      "class employee:\n",
      "    def __init__(self,eno,ename,epay,jdate):\n",
      "        self.eno = eno\n",
      "        self.ename = ename\n",
      "        self.epay = epay\n",
      "        self.jdate = jdate\n",
      "\n",
      "employs = []\n",
      "employs.append(employee(20101,\"ASHIKA\",1000,\"31/04/2001\"))\n",
      "employs.append(employee(20182,\"ASHWIN\",6000,\"11/12/1995\"))\n",
      "employs.append(employee(20204,\"PRAVEEN\",3000,\"18/06/1994\"))\n",
      "\n",
      "n = 3\n",
      "\n",
      "print \"Employee No. ?\",employs[0].eno\n",
      "print \"Name ?\",employs[0].ename\n",
      "print \"Existing date ?\",employs[0].epay\n",
      "print \"Joinin date ?\",employs[0].jdate\n",
      "print \n",
      "print \"Press y- to continue any other key to stop. y\"\n",
      "print \"Employee No. ?\",employs[1].eno\n",
      "print \"Name ?\",employs[1].ename\n",
      "print \"Existing date ?\",employs[1].epay\n",
      "print \"Joinin date ?\",employs[1].jdate\n",
      "print\n",
      "print \"Press y- to continue any other key to stop. y\"\n",
      "print \"Employee No. ?\",employs[2].eno\n",
      "print \"Name ?\",employs[2].ename\n",
      "print \"Existing date ?\",employs[2].epay\n",
      "print \"Joinin date ?\",employs[2].jdate\n",
      "print\n",
      "print \"Press y- to continue any other key to stop. N\"\n",
      "print\n",
      "print n,\" records are entered\"\n",
      "print \"Press any key to print the revised salary list\"\n",
      "print \n",
      "\n",
      "\n",
      "\n",
      "def revise(temp):\n",
      "    if temp <= 2000:\n",
      "        temp = int(temp + math.ceil(temp * 0.15))\n",
      "        return temp\n",
      "    elif temp <= 5000:\n",
      "        temp = int(temp + temp * 0.10)\n",
      "        return temp\n",
      "    else:\n",
      "        return temp\n",
      "\n",
      "    \n",
      "# loop to increment salary\n",
      "for i in range(n):\n",
      "    employs[i].epay = revise(employs[i].epay)\n",
      "\n",
      "    \n",
      "\n",
      "\n",
      "# loop to print revised salary list\n",
      "print \"                 Employees Revised Pay List          \"\n",
      "print \"---------------------------------------------------------\"\n",
      "print \" S.No.     Number      Name      Joining date      Pay   \"\n",
      "print \"---------------------------------------------------------\"\n",
      "\n",
      "for i in range(n):\n",
      "    print \" \",i+1,\"     \",employs[i].eno,\"      \",employs[i].ename,\"     \",employs[i].jdate,\"     \",employs[i].epay\n",
      "\n",
      "print \"---------------------------------------------------------\"    \n",
      "    "
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Employee No. ? 20101\n",
        "Name ? ASHIKA\n",
        "Existing date ? 1000\n",
        "Joinin date ? 31/04/2001\n",
        "\n",
        "Press y- to continue any other key to stop. y\n",
        "Employee No. ? 20182\n",
        "Name ? ASHWIN\n",
        "Existing date ? 6000\n",
        "Joinin date ? 11/12/1995\n",
        "\n",
        "Press y- to continue any other key to stop. y\n",
        "Employee No. ? 20204\n",
        "Name ? PRAVEEN\n",
        "Existing date ? 3000\n",
        "Joinin date ? 18/06/1994\n",
        "\n",
        "Press y- to continue any other key to stop. N\n",
        "\n",
        "3  records are entered\n",
        "Press any key to print the revised salary list\n",
        "\n",
        "                 Employees Revised Pay List          \n",
        "---------------------------------------------------------\n",
        " S.No.     Number      Name      Joining date      Pay   \n",
        "---------------------------------------------------------\n",
        "  1       20101        ASHIKA       31/04/2001       1150\n",
        "  2       20182        ASHWIN       11/12/1995       6000\n",
        "  3       20204        PRAVEEN       18/06/1994       3300\n",
        "---------------------------------------------------------\n"
       ]
      }
     ],
     "prompt_number": 5
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 5 , Page number: CP-219"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Program to store cricket details and to display a team-wise list with batting average\n",
      "\n",
      "# class for cricket structure\n",
      "\n",
      "class cricket:\n",
      "    def __init__(self,pname,tname,bavg):\n",
      "        self.pname = pname\n",
      "        self.tname = tname\n",
      "        self.bavg = bavg\n",
      "\n",
      "n = 6\n",
      "probable = []\n",
      "probable.append(cricket(\"KUMBLE\",\"KARNATAKA\",22))\n",
      "probable.append(cricket(\"KAMBLI\",\"MUMBAI\",39))\n",
      "probable.append(cricket(\"SRIKANTH\",\"TAMILNADU\",52))\n",
      "probable.append(cricket(\"SACHIM\",\"MUMBAI\",69))\n",
      "probable.append(cricket(\"RAHUL\",\"KARNATAKA\",57))\n",
      "probable.append(cricket(\"RAMESH\",\"TAMILNADU\",48))\n",
      "\n",
      "print \"How many players ?\",n\n",
      "print\n",
      "print \"Player name ?\",probable[0].pname\n",
      "print \"Which team ?\",probable[0].tname\n",
      "print \"Batting average ?\",probable[0].bavg\n",
      "print \"Player name ?\",probable[1].pname\n",
      "print \"Which team ?\",probable[1].tname\n",
      "print \"Batting average ?\",probable[1].bavg\n",
      "print \"Player name ?\",probable[2].pname\n",
      "print \"Which team ?\",probable[2].tname\n",
      "print \"Batting average ?\",probable[2].bavg\n",
      "print \"Player name ?\",probable[3].pname\n",
      "print \"Which team ?\",probable[3].tname\n",
      "print \"Batting average ?\",probable[3].bavg\n",
      "print \"Player name ?\",probable[4].pname\n",
      "print \"Which team ?\",probable[4].tname\n",
      "print \"Batting average ?\",probable[4].bavg\n",
      "print \"Player name ?\",probable[5].pname\n",
      "print \"Which team ?\",probable[5].tname\n",
      "print \"Batting average ?\",probable[5].bavg\n",
      "print\n",
      "print \n",
      "j = 0\n",
      "teams = []\n",
      "teams.append(probable[0].tname)\n",
      "j = j + 1\n",
      "for i in range(n):\n",
      "    flag = 0\n",
      "    for k in range(j):\n",
      "        if flag == 0:\n",
      "            if probable[i].tname == teams[k]:\n",
      "                flag = 1\n",
      "            if flag == 0 :\n",
      "                teams.append(probable[i].tname)\n",
      "                j = j + 1\n",
      "\n",
      "# loop to print team-wise list\n",
      "\n",
      "for k in range(3):\n",
      "    print \"            \",teams[k]\n",
      "    print \"---------------------------------------------\"\n",
      "    for i in range(n):\n",
      "        if probable[i].tname == teams[k]:\n",
      "            print \"   \",probable[i].pname,\"             \",probable[i].bavg\n",
      "    print \"---------------------------------------------\"   \n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "How many players ? 6\n",
        "\n",
        "Player name ? KUMBLE\n",
        "Which team ? KARNATAKA\n",
        "Batting average ? 22\n",
        "Player name ? KAMBLI\n",
        "Which team ? MUMBAI\n",
        "Batting average ? 39\n",
        "Player name ? SRIKANTH\n",
        "Which team ? TAMILNADU\n",
        "Batting average ? 52\n",
        "Player name ? SACHIM\n",
        "Which team ? MUMBAI\n",
        "Batting average ? 69\n",
        "Player name ? RAHUL\n",
        "Which team ? KARNATAKA\n",
        "Batting average ? 57\n",
        "Player name ? RAMESH\n",
        "Which team ? TAMILNADU\n",
        "Batting average ? 48\n",
        "\n",
        "\n",
        "             KARNATAKA\n",
        "---------------------------------------------\n",
        "    KUMBLE               22\n",
        "    RAHUL               57\n",
        "---------------------------------------------\n",
        "             MUMBAI\n",
        "---------------------------------------------\n",
        "    KAMBLI               39\n",
        "    SACHIM               69\n",
        "---------------------------------------------\n",
        "             TAMILNADU\n",
        "---------------------------------------------\n",
        "    SRIKANTH               52\n",
        "    RAMESH               48\n",
        "---------------------------------------------\n"
       ]
      }
     ],
     "prompt_number": 4
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 6 , Page number: CP-235"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Program to illustrate the use of union using integer,string and float\n",
      "\n",
      "class student:\n",
      "    def __init__(self,roll_no,sname,marks):\n",
      "        self.roll_no = roll_no\n",
      "        self.sname = sname\n",
      "        self.marks = marks\n",
      "\n",
      "std = []\n",
      "std.append(student(0,\"AJITH\",0))\n",
      "std.append(student(0,\"RAJU\",0))\n",
      "std.append(student(0,\"VIGNESH\",0))\n",
      "std.append(student(0,\"DIVYA\",0))\n",
      "\n",
      "ch = 2\n",
      "print \"-----------------------------\"\n",
      "print \"          Main menu          \"\n",
      "print \"-----------------------------\"\n",
      "print \"Press 1 to enter roll numbers\"\n",
      "print \"      2 to enter names       \"\n",
      "print \"      3 to enter marks       \"\n",
      "print \"      4 to stop              \"\n",
      "print \n",
      "print \"Enter your choice :\",ch\n",
      "\n",
      "n = 4\n",
      "print \"How many students?\",n\n",
      "for i in range(n):\n",
      "    print \"    Student name ? \",std[i].sname\n",
      "\n",
      "print\n",
      "print \n",
      "# display required list\n",
      "# switch case\n",
      "if ch == 1:  #case 1\n",
      "    print \"------------------------------\"\n",
      "    print \"   Students roll number list  \"\n",
      "    print \"------------------------------\"\n",
      "    for i in range(n):\n",
      "        print std[i].roll_no\n",
      "    print \"-------------------------------\"\n",
      "elif ch == 2:  # case 2\n",
      "    print \"------------------------------\"\n",
      "    print \"   Students name list  \"\n",
      "    print \"------------------------------\"\n",
      "    for i in range(n):\n",
      "        print std[i].sname\n",
      "    print \"-------------------------------\"\n",
      "elif ch == 3: # case 3\n",
      "    print \"------------------------------\"\n",
      "    print \"   Students mark list  \"\n",
      "    print \"------------------------------\"\n",
      "    for i in range(n):\n",
      "        print \"Student marks\",std[i].roll_no\n",
      "    print \"-------------------------------\"\n",
      "    \n",
      "    "
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "-----------------------------\n",
        "          Main menu          \n",
        "-----------------------------\n",
        "Press 1 to enter roll numbers\n",
        "      2 to enter names       \n",
        "      3 to enter marks       \n",
        "      4 to stop              \n",
        "\n",
        "Enter your choice : 2\n",
        "How many students? 4\n",
        "    Student name ?  AJITH\n",
        "    Student name ?  RAJU\n",
        "    Student name ?  VIGNESH\n",
        "    Student name ?  DIVYA\n",
        "\n",
        "\n",
        "------------------------------\n",
        "   Students name list  \n",
        "------------------------------\n",
        "AJITH\n",
        "RAJU\n",
        "VIGNESH\n",
        "DIVYA\n",
        "-------------------------------\n"
       ]
      }
     ],
     "prompt_number": 6
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [],
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}