A functional Fizzbuzz implementation

from functools import reduce
from itertools import count

FACTORS = {3: 'fizz', 5: 'buzz'}

fizzbuzz = lambda n: reduce(
    str.__add__, (FACTORS[d] for d in FACTORS if n % d == 0), ""
) or str(n)

print(
    *map(fizzbuzz, range(1, 31)), sep='\n'
)