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First, with functools.reduce solution in Clear category for Digits Multiplication by gsbullmer
from functools import reduce
def checkio(number):
"""
Return the product of the digits in the number, excluding `0`.
"""
digits = [int(d) for d in str(number) if d is not "0"]
return reduce(lambda x, y: x * y, digits)
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio(123405) == 120
assert checkio(999) == 729
assert checkio(1000) == 1
assert checkio(1111) == 1
July 29, 2017
