import timeit,random
def precise_timeit(fun, number=1,prepare=lambda:None):
    time=0
    for _ in range(number):
        # prepare()
        time+=timeit.timeit(lambda: fun())
    return time


class TestClass:
    def __init__(self):
        self.key=random.randint(0,99999)

def load(a):
    return a.key
def set_value(a):
    a.key=random.randint(0,99999)
o = TestClass()
for i in range(10000):
    print(f"{i},{timeit.timeit(lambda:load(o), number=1)*1000}")