Problem 1
This function returns whether a given number is odd or even.
Problem 2
This function repeatedly asks the user for the password until they get it correct.
Problem 3
This program defines then calls a function to calculate how many total pizza slices were eaten.
Problem 4
This function compares two numbers and returns a string stating which one is greater.
Problem 5
This program defines then calls a function to calculate the average of a certain number of input scores.