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classic solution in Clear category for Numbers Factory by kdim
def checkio(number):
d = ''
for i in range(9, 1, -1):
while not number % i:
d = str(i) + d
number //= i
return int(d) if number == 1 else 0
if __name__ == '__main__':
# These "asserts" using only for self-checking and not necessary for auto-testing
assert checkio(20) == 45, "1st example"
assert checkio(21) == 37, "2nd example"
assert checkio(17) == 0, "3rd example"
assert checkio(33) == 0, "4th example"
assert checkio(3125) == 55555, "5th example"
assert checkio(9973) == 0, "6th example"
print("Coding complete? Click 'Check' to review your tests and earn cool rewards!")
Feb. 22, 2021
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