You wrote a program to find the factorial of a number. In mathematics, the factorial operation is used for positive integers and zero. What does the function return if the user enters a negative three?

def factorial(number):
product = 1
while number > 0:
product = product * number
number = number - 1
return product

strNum = input("Enter a positive integer: ")
num = int(strNum)
print(factorial(num))

-6

1

There is no output due to a runtime error.

-3

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