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Simple, clear & pythonic solution in Clear category for Unlucky Days by WittyWalrus
from datetime import date
def checkio(year: int) -> int:
return sum(date(year, month, 13).weekday() == 4 for month in range(1, 13))
if __name__ == '__main__':
print("Example:")
print(checkio(2015))
#These "asserts" using only for self-checking and not necessary for auto-testing
assert checkio(2015) == 3, "First - 2015"
assert checkio(1986) == 1, "Second - 1986"
print("Coding complete? Click 'Check' to earn cool rewards!")
Aug. 7, 2019
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