Requirements

Write a Python function, fb, that implements fizzbuzz. Function fb should have one parameter, n, which is the number that will end the game. For each round of fizzbuzz, the function should print the number or fizz or buzz or fizzbuzz. At the end of the game, print Game over! fb should return the None value

For example,

>>> fb(15)

1

2

fizz

4

buzz

fizz

7

8

fizz

buzz

11

fizz

13

14

fizzbuzz

Gameover!