python/exercises/sum-of-multiples/example.py

def sum_of_multiples(limit, multiples=None):
    if multiples is None:
        multiples = [3, 5]
    elif multiples[0] == 0:
        # multiples of 0 don't change the sum
        multiples = multiples[1:]
    return sum(value for value in range(limit)
               if any(value % multiple == 0
                      for multiple in multiples))