{
"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": {}
}
]
}