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Loop & conditionals solution in Clear category for Number With Exclamation by tstefan92
def factorial(n: int) -> int:
sum = 1
for nn in range (1, n + 1):
if n > 0:
sum = n * sum
n = n - 1
else:
sum = 0
return sum
print("Example:")
print(factorial(4))
# These "asserts" are used for self-checking
assert factorial(0) == 1
assert factorial(1) == 1
assert factorial(5) == 120
assert factorial(10) == 3628800
assert factorial(15) == 1307674368000
print("The mission is done! Click 'Check Solution' to earn rewards!")
Sept. 3, 2026
