fizzbuzz5.py

def fizzbuzz5(maxnum):
    fizzbuzz_pairs = ((num,
        (lambda n: ("" if n % 3 else "fizz") +
                   ("" if n %  5 else "buzz") )(num))
            for num in range(1, maxnum + 1))

    for num, msg in fizzbuzz_pairs:
        print("{}: {}".format(num, msg))