7 lines
203 B
Python
7 lines
203 B
Python
|
def factorial(num):
|
||
|
|
if not ((num >= 0) and (num % 1 == 0)):
|
||
|
|
raise Exception("Number can't be floating point or negative.")
|
||
|
|
return 1 if num == 0 else num * factorial(num - 1)
|
||
|
|
|
||
|
|
print(factorial(6))
|