Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
First solution in Uncategorized category for Unlucky Days by Orthomonalus
from datetime import date
def checkio(year):
count = 0
for month in range(1, 13):
if date(year, month, 13).weekday() == 4:
count += 1
return count
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!")
June 12, 2025
Comments:
