7-3: Sum of Cubes (Python)

Write a program that finds the sum of the cubes of the first n natural numbers. You should have 2 different programs,

one written with a for loop and one written with a while loop.

Test code:

print(sum_of_cubes(10))

print(sum_of_cubes(20))

print(sum_of_cubes(100))

Sample run:

3025

44100

25502500