Notesale: Turn your study into money

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PROGRAMMING PRACTICE-PROBLEM QUESTIONS AND
DETAILED SOLUTIONS - INTRODUCTORY EXERCISES
Volume 1

1

Contents
1

Problem to Display Personal Information
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1

Program
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2

Output
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3

2
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3

2
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4

3

Problem to Calculate the Perimeter of a Lawn Tennis Court
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1

Program
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2

Output
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4

4
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5

4
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5

5

Problem to Compute the Four Simple Arithmetic Operations
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1

Program
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2

Output
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1
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print("Last Name: Doe")
print("Gender: Male")
print("Date of Birth: 01-01-1900")
print("Department: Information and Computer Science")

1
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Let the program
reply each for the user’s information by using the user’s typed responses
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1 Program
name = input("What is your name?\n")
#input is a keyword to request and accept value from the user
#\n is used to start a newline, otherwise the text to be typed would have continued from the
preceding line
print("I am happy to meet you, " + name)
#+ is used for concatenating (joining) strings ("I am happy to meet you, " and name)
dept = input("Which department are you?\n")
print("Nice, you are welcome to the " + dept + " department")

3

2
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Ensure your program will be robust enough to work with decimal
values
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1 Program
length = float(input("How long is the court?\n"))
#float is a keyword for specifying that a data type of decimal can be allowed
width = float(input("How wide is the court?\n"))
perimeter = 2*(length + width)
#Recall that perimeter is the sum of all sides = 2*length + 2*width
print("The perimeter of the lawn tennis court = " + str(perimeter) + " square units")
#Take note of the str
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3
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3
How wide is the court?
11
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8 square units

4

Problem to Calculate Simple Interest
Write a computer program that will assist your dad to compute the simple interest he will
earn if he invests a certain amount of his money in dollars for some number of years at a
particular percentage per annum
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4

4
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2 Output
Please enter the amount invested
200
Please enter the number of years?
3
Please enter the percentage
2
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0

5

Problem to Compute the Four Simple Arithmetic Operations
Develop a computer program to model a calculator that will be able to perform the
arithmetic operations of addition, subtraction, multiplication, and division
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5
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2 Output
First Number:
3
Second Number:
2
3
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0 = 5
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0 - 2
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0
3
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0 = 6
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0 / 2
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5

6



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