fizzbuzz7.py

def fizzbuzz7(maxnum):
    fizzbuzz_pairs = "\n".join("{}: {}".format(num,
        (lambda n: ("" if n % 3 else "fizz") +
                   ("" if n %  5 else "buzz") )(num))
            for num in range(1, maxnum + 1))

    print(fizzbuzz_pairs)