import time


def _min(lst: list, previous = None):
    if previous is None:
        previous = lst[0]
    for item in lst:
        previous = min(previous, item)
    return previous

def _max(lst: list, previous = None):
    if previous is None:
        previous = lst[0]
    for item in lst:
        previous = max(previous, item)
    return previous

def _avg(lst: list, total = 0):
    for item in lst:
        total += item
    return total / len(lst)

def main():
    i_lst = [5, 55, 2, 7, 45, 3, 1, 8, 23, 12]
    start = time.time()

    for _ in range(100000):
        _min(i_lst)

    end = time.time()
    print(end - start)
    print(_max(i_lst))
    print(_avg(i_lst))

main()