Sample Solution
The following shows one way to solve this problem. It is not the only way this problem can be solved.
codealong_areas_sample.py
"""
Author: Brother Burton
Purpose: Areas of shapes
"""
# import the library we will use
import math
# Area of a square
side = float(input("What is the length of a side of the square? "))
area = side ** 2
print(f"The area of the square is: {area}")
# Area of a rectangle
length = float(input("What is the length of rectangle? "))
width = float(input("What is the width of the rectangle? "))
area = length * width
print(f"The area of the rectangle is: {area}")
# Area of a circle
radius = float(input("What is the radius of the circle? "))
# We could use 3.14 as shown on the next line
# area = 3.14 * (radius ** 2)
# Or we could use the math library, which will be more precise.
area = math.pi * (radius ** 2)
print(f"The area of the circle is: {area}")
# Enhancement: cm to m conversion
# For this enhancement, the code above could simply be updated, but it is
# duplicated here so that the above code is not confusing when it is viewed.
# Area of a square
side = float(input("What is the length of a side of the square (in cm)? "))
area = side ** 2
print(f"The area of the square is: {area} cm^2")
# In the above example, the area was computed first and saved into a variable,
# but the code for computation can also be put right into the print statement
# if you would rather do that. In the next example, the computation is
# included right in the print statement.
# Also, please note that you do NOT put commas in numbers in code (use: 10000, not: 10,000)
print(f"The area of the square is: {area / 10000} m^2")
# Area of a rectangle
length = float(input("What is the length of rectangle (in cm)? "))
width = float(input("What is the width of the rectangle (in cm)? "))
area = length * width
print(f"The area of the rectangle is: {area} cm^2")
print(f"The area of the rectangle is: {area / 10000} m^2")
# Area of a circle
radius = float(input("What is the radius of the circle (in cm)? "))
area = math.pi * (radius ** 2)
print(f"The area of the circle is: {area} cm^2")
print(f"The area of the circle is: {area / 10000} m^2")
"""
Author: Brother Burton
Purpose: Areas of shapes
"""
# import the library we will use
import math
# Area of a square
side = float(input("What is the length of a side of the square? "))
area = side ** 2
print(f"The area of the square is: {area}")
# Area of a rectangle
length = float(input("What is the length of rectangle? "))
width = float(input("What is the width of the rectangle? "))
area = length * width
print(f"The area of the rectangle is: {area}")
# Area of a circle
radius = float(input("What is the radius of the circle? "))
# We could use 3.14 as shown on the next line
# area = 3.14 * (radius ** 2)
# Or we could use the math library, which will be more precise.
area = math.pi * (radius ** 2)
print(f"The area of the circle is: {area}")
# Enhancement: cm to m conversion
# For this enhancement, the code above could simply be updated, but it is
# duplicated here so that the above code is not confusing when it is viewed.
# Area of a square
side = float(input("What is the length of a side of the square (in cm)? "))
area = side ** 2
print(f"The area of the square is: {area} cm^2")
# In the above example, the area was computed first and saved into a variable,
# but the code for computation can also be put right into the print statement
# if you would rather do that. In the next example, the computation is
# included right in the print statement.
# Also, please note that you do NOT put commas in numbers in code (use: 10000, not: 10,000)
print(f"The area of the square is: {area / 10000} m^2")
# Area of a rectangle
length = float(input("What is the length of rectangle (in cm)? "))
width = float(input("What is the width of the rectangle (in cm)? "))
area = length * width
print(f"The area of the rectangle is: {area} cm^2")
print(f"The area of the rectangle is: {area / 10000} m^2")
# Area of a circle
radius = float(input("What is the radius of the circle (in cm)? "))
area = math.pi * (radius ** 2)
print(f"The area of the circle is: {area} cm^2")
print(f"The area of the circle is: {area / 10000} m^2")
Download: codealong_areas_sample.py