CS 115 Lab 2, Part B: Computing the area of a square

[Back to Lab 2] [Back to CS 115 schedule]

The Big Picture

The instructions below will help you write a program that:

• Asks the user to enter the side length of a square
• Calculates the area of the square
• Prints the calculated area.

You should be able to trace through the execution of this program and understand how the values of the variables change after each statement.

Instructions

1. First, in PyCharm, create a file called lab02.py in project cs115/lab02.
2. Type in (or copy-paste) the following program exactly as written, substituting your name for the italicized text:

   """
   Program: CS 115 Lab 2
   Author: Your name
   Description: This program will compute the area of a square,
       given the side length.
   """
   
   
   def main():
       # Get the side length
       length = float(input('Enter a numeric value: '))
   
       # Compute the area of the square
       square_area = length * length
   
       print("The area of a square with side length ", length,
             " is ", square_area, ".", sep="")
   
   
   main()

3. Execute the program several times to complete the table in Question 7 of your Moodle writeup.
   • Each time you execute the program, you will be prompted to enter a value. When that happens, type in the information in a row of the Input Value column, exactly as it appears, then press ENTER.
   • Record the value that your program reports for the area of the square.
4. Continue to Part C.