Homework: Fizz String 2

Imported By: Geoffrey Challen

/ Version: 2021.6.0

/ Adapted from CodingBat

Given a positive int, return the String form of the number followed by "!". So 6 yields "6!". Except if the number is divisible by 3 use "Fizz" instead of the number, and if the number is divisible by 5 use "Buzz", and if divisible by both 3 and 5, use "FizzBuzz".