Write FizzBuzz for numbers 1 to 100, using fizz for multiples of 3, buzz for multiples of 5, and fizzbuzz for multiples of both.
Implement fizz_buzz(start, end), returning a list for every integer from start through end, inclusive. Use the number as a string when it is not divisible by 3 or 5. The standard call is fizz_buzz(1, 100).
def fizz_buzz(start, end):