CODE EXAMPLE FOR PYTHON

factorial python

def factorial_iter(n):
    product = 1
    for i in range(n):
        product = product * (i+1)
    return product

def factorial_recursive(n):
    if n == 1 or n == 0:
        return 1
    return n * factorial_recursive(n-1)

# f = factorial_iter(5)
f = factorial_recursive(0)
print(f)