fizzbuzz solution in 5 lines of code (plus 1 line docstring).

fizzbuzz.py

def fizzbuzz(start=1, end=100, fizzval=3, buzzval=5):
    """Implements Reginald Braithwaite's FizzBuzz text."""
    for i in range(start, end+1):
        fizz = 'Fizz' if i % fizzval == 0 else ''
        buzz = 'Buzz' if i % buzzval == 0 else ''
        print i if fizz+buzz == '' else fizz+buzz