CodeHS 6.3.8: Area of a Square with Default Parameters

Write a program that will calculate and print the area of a square where its side length is given by the user.

To compute the area, write a function named calculate_area that takes a single parameter, side_length. The parameter should be given a default value of 10.

If the user enters a length value of 0 or less, call calculate_area and use the default value. Otherwise, use the length value given as the parameter value.

For example, if the following input is given:

Enter side length: 0

The following output should be printed:

The area of a square with sides of length 10 is 100.

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MrRoyal MrRoyal · Answer 1 · 2021-09-16T14:25:35+02:00

The programming language is not stated. I will answer this question using Python.

The program in Python where comments are used to explain each line is as follows:

#This defines the function

def calculate_area(side_length):

#This check if the side length is 0 or less

if side_length<1:

#If yes, the side length is set to 10

side_length = 10

#This prints the area of the square

print("The area of a square with sides of length",side_length,"is",(side_length**2))

#The main begins here

#This gets input for the length of the square

length = int(input("Enter side length: "))

#This calls the calculate_area function

calculate_area(length)

#The program ends here

At the end of the program, the area of the square is calculated and printed.

See attachment for a sample run