7.4(Decorator time_it)

from timeit import timeit


def time_it(a):
    def timer(func):
        def setup(*args, **kwargs):
            counter = 0
            for i in range(a):
                t = timeit(stmt=f'{func(*args, **kwargs)}', number=1)
                counter += t
            print(counter / a)
            return ''

        return setup

    return timer


@time_it(5)
def product(*args):
    s, n = list(args), 1
    for i in range(len(s)):
        n *= args[i]
    print(n)


product(1, 2, 3, 4)