{
"metadata": {
"name": "",
"signature": "sha256:dc3f15d93cb383d5df54c3f7eecdad38d50217ab8d7454c3152fde2edbe2eca1"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter2, Using C++ Operators"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C8NEG, Page number:166"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"temp=-12\n",
"\n",
"#Result\n",
"print -temp"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"12\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C8DIV, Page number:167"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#To compute weekly pay\n",
"#Get input\n",
"#yearly=input(\"What is your annual pay?\")\n",
"\n",
"yearly=38000.00\n",
"weekly=yearly/52\n",
"\n",
"#Result\n",
"print \"\\n\\nYour weekly pay is \",float(weekly)\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"\n",
"Your weekly pay is 730.769230769\n"
]
}
],
"prompt_number": 18
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C8AVG1, Page number:172"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Compute the average of three grades\n",
"\n",
"grade1=87.5\n",
"grade2=92.4\n",
"grade3=79.6\n",
"\n",
"#Average calculation\n",
"avg=grade1+grade2+grade3/3.0\n",
"\n",
"#Result\n",
"print \"The average is: \",avg"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The average is: 206.433333333\n"
]
}
],
"prompt_number": 19
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C8DATA, Page number:179"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Declaration\n",
"bonus=50\n",
"salary=1400.50\n",
"\n",
"#Calculation\n",
"total=salary+bonus\n",
"\n",
"#Result\n",
"print \"The total is \",\"%.2f\" %total"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The total is 1450.50\n"
]
}
],
"prompt_number": 16
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C8INT1, Page number:181"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Calculate interest\n",
"\n",
"days=45\n",
"principle=3500.00\n",
"interest_rate=0.155\n",
"\n",
"#daily interest rate\n",
"daily_interest=interest_rate/365 \n",
"daily_interest=principle*daily_interest*days\n",
"\n",
"#Update principle\n",
"principle+=daily_interest \n",
"\n",
"#Result\n",
"print \"The balance you owe is:\",\"%.2f\" %principle"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The balance you owe is: 3566.88\n"
]
}
],
"prompt_number": 23
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C9PAY1, Page number:193"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Calculate salesperson's pay based on his or her sales\n",
"\n",
"print \"\\n\\n\"\n",
"print \"Payroll Calculation\\n\"\n",
"print \"------------------------\\n\"\n",
"\n",
"#Get input\n",
"sal_name=raw_input(\"What is salesperson's last name? \")\n",
"hours=input(\"How many hours did the salesperson work? \")\n",
"total_sales=input(\"What were the total sales? \")\n",
"bonus=0\n",
"\n",
"#Compute base pay\n",
"pay=4.10*float(hours) \n",
"\n",
"if total_sales>8500.00:\n",
" bonus=500.00\n",
"\n",
"#Result\n",
"print sal_name,\"made $\",\"%.2f\" %pay, \"\\n and got a bonus of $\",\"%.2f\" %bonus"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"\n",
"\n",
"Payroll Calculation\n",
"\n",
"------------------------\n",
"\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"What is salesperson's last name? Harrison\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"How many hours did the salesperson work? 40\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"What were the total sales? 6050.64\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Harrison made $ 164.00 \n",
" and got a bonus of $ 0.00\n"
]
}
],
"prompt_number": 29
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C9AGE, Page number:195"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Get input\n",
"age=input(\"What is the student's age?\")\n",
"\n",
"if age<10:\n",
" print \"\\n*** The age cannot be less than 10 ***\\n\"\n",
" print \"Try again...\\n\"\n",
" age=input(\"What is the student's age?\")\n",
"\n",
"#Result\n",
"print \"\\nThank you. You entered a valid age.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"What is the student's age?3\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"*** The age cannot be less than 10 ***\n",
"\n",
"Try again...\n",
"\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"What is the student's age?21\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"Thank you. You entered a valid age.\n"
]
}
],
"prompt_number": 26
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C9SQR1, Page number:197"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"##Print square of the input value if it is lessthan 180\n",
"\n",
"#Get input\n",
"num=input(\"What number do you want to see the square of?\")\n",
"\n",
"if num<=180:\n",
" square=num*num\n",
" print \"The square of \",num,\"is \",square,\"\\n\"\n",
" print \"\\nThank you for requesting square roots.\\n\"\n",
" \n",
"num=input(\"What number do you want to see the square of?\")\n",
"if num>180:\n",
" import os\n",
" os.system('\\a')\n",
" print \"\\n* Square is not allowed for numbers over 180 *\"\n",
" print \"\\nRun this program again trying a smaller value.\"\n",
"\n",
"print \"\\nThank you for requesting square roots.\\n\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"What number do you want to see the square of?45\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The square of 45 is 2025 \n",
"\n",
"\n",
"Thank you for requesting square roots.\n",
"\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"What number do you want to see the square of?212\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"* Square is not allowed for numbers over 180 *\n",
"\n",
"Run this program again trying a smaller value.\n",
"\n",
"Thank you for requesting square roots.\n",
"\n"
]
}
],
"prompt_number": 32
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C9IFEL1, Page number:200"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Get input\n",
"#num=input(\"What is your answer?\\n\")\n",
"num=1\n",
"if num>0:\n",
" print \"\\nMore than 0\\n\"\n",
"else:\n",
" print \"\\nLess or equal to 0\\n\"\n",
"\n",
"print \"\\nThanks for your time.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"More than 0\n",
"\n",
"\n",
"Thanks for your time.\n"
]
}
],
"prompt_number": 33
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C9IFEL2, Page number:200"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Test user's first initial and prints a message.\n",
"\n",
"#Get input\n",
"#last=raw_input(\"\\nWhat is your last name?\\n\")\n",
"\n",
"last=\"Praveen\"\n",
"\n",
"#test the initial\n",
"if last[0] <= 'P':\n",
" print \"Your name is early in the alphabet.\\n\"\n",
"else:\n",
" print \"You have to wait a while for Your name to be called\\n\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Your name is early in the alphabet.\n",
"\n"
]
}
],
"prompt_number": 34
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C9PAY2, Page number:201"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Get input\n",
"#hours=input(\"\\nHow many hours were worked?\")\n",
"#rate=input(\"\\nWhat is the regular hourly pay?\")\n",
"\n",
"hours=44\n",
"rate=0.20\n",
"\n",
"#Compute pay\n",
"if hours>50:\n",
" dt=2.0*rate*float(hours-50)\n",
" ht=1.5*rate*10.0\n",
"else:\n",
" dt=0.0\n",
" \n",
"#Time and a half\n",
"if hours>40:\n",
" ht=1.5*rate*float(hours-40)\n",
"\n",
"#Regular pay\n",
"if hours>=40:\n",
" rp=40*rate\n",
"else:\n",
" rp=float(hours)*rate\n",
"\n",
"#Payroll\n",
"pay=dt+ht+rp \n",
"\n",
"#Result\n",
"print \"\\nThe pay is \",\"%.2f\" %pay\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"The pay is 9.20\n"
]
}
],
"prompt_number": 36
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C9SERV, Page number:202"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#if...else...if\n",
"\n",
"#yrs=input(\"\\nHow many years of service?\")\n",
"yrs=25\n",
"\n",
"if yrs>20:\n",
" print \"\\nGive a gold watch\"\n",
"else:\n",
" if yrs>10:\n",
" print \"\\nGive a paper weight\"\n",
" else:\n",
" print \"\\nGive a pat on the back\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"Give a gold watch\n"
]
}
],
"prompt_number": 37
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C10YEAR, Page number:212"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#To determine if it is Summer Olympics year\n",
"\n",
"#year=input(\"\\nWhat is a year for the test?\")\n",
"\n",
"year=2004\n",
"\n",
"#Test the Year\n",
"if year%4==0 and year%10==0:\n",
" print \"\\nBoth Olympics and U.S. Census!\"\n",
" exit(0)\n",
" \n",
"if year%4==0:\n",
" print \"\\nSummer Olympics only\"\n",
"else:\n",
" if year%10==0:\n",
" print \"\\nU.S. Census only\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"Summer Olympics only\n"
]
}
],
"prompt_number": 41
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C10AGE, Page number:213"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Get input\n",
"#age=input(\"\\nWhat is your age?\\n\")\n",
"age=20\n",
"if age<10 or age>100:\n",
" print \"*** The age must be between 10 and 100 ***\\n\"\n",
"else:\n",
" print \"You entered a valid age.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"You entered a valid age.\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"C10VIDEO, Page number:214"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# -*- coding: cp1252 -*-\n",
"#Program that computes video rental amounts and gives\n",
"# appropriate discounts based on the day or customer status.\n",
"\n",
"print \"\\n *** Video Rental Computation ***\\n\"\n",
"print \"--------------------------------------\\n\"\n",
"\n",
"tape_charge=2.00 #Before-discount tape fee-per tape.\n",
"\n",
"first_name=raw_input(\"\\nWhat is customer's first name? \")\n",
"last_name=raw_input(\"\\nWhat is customer's last name? \")\n",
"num_tapes=input(\"\\nHow many tapes are being rented? \")\n",
"val_day=raw_input(\"Is this a Value day (Y/N)?\")\n",
"sp_stat=raw_input(\"Is this a Special Status customer (Y/N)?\")\n",
"\n",
"# Calculate rental amount.\n",
"\n",
"discount=0.0\n",
"if val_day=='Y' or sp_stat=='Y':\n",
" discount=0.5\n",
" x=num_tapes*tape_charge\n",
" y=discount*num_tapes\n",
" rental_amt=x-y\n",
"\n",
"\n",
"print \"\\n** Rental club **\\n\"\n",
"print first_name,last_name,\"rented \",num_tapes,\" tapes \"\n",
"print \"The total was \",\"%.2f\" %rental_amt\n",
"print \"The discount was \",\"%.2f\" %discount,\"per tape\\n\"\n",
"\n",
"if sp_stat=='Y':\n",
" print \"\\nThank them for being a special Status customer\\n\"\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
" *** Video Rental Computation ***\n",
"\n",
"--------------------------------------\n",
"\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"What is customer's first name? Jerry\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"What is customer's last name? Parker\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"How many tapes are being rented? 3\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Is this a Value day (Y/N)?Y\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Is this a Special Status customer (Y/N)?Y\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"** Rental club **\n",
"\n",
"Jerry Parker rented 3 tapes \n",
"The total was 4.50\n",
"The discount was 0.50 per tape\n",
"\n",
"\n",
"Thank them for being a special Status customer\n",
"\n"
]
}
],
"prompt_number": 5
},
{
"cell_type": "code",
"collapsed": false,
"input": [],
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}