Lab assignment for Monday of Week 2

Lab 6 (Monday): Write solutions to Chapter 7 Exercises 10, 11, and 12.

https://runestone.academy/runestone/static/CSC2-140/Selection/Exercises.html

Include PyDoc '''   ''' statements for each function you write.

Include Unit Test statements for each problem.

You may want to start write your code with a main() function and a final call to main(). This is not required.