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code_lessons's Issues

product

Затестил последний пример из этого видео след. кодом:

import time
import random
from time import perf_counter
from itertools import product
from functools import wraps


def timer(func):
    @wraps(func)
    def wrapper(*args, **kwargs):
        start_time = perf_counter()
        result = func(*args, **kwargs)
        end_time = perf_counter()
        print(f"Elapsed time: {end_time - start_time:.07f} seconds")
        return result

    return wrapper


def random_list(count: int):
    return [random.random() for i in range(count)]


@timer
def low(a_list, b_list, c_list):
    for a in a_list:
        for b in b_list:
            for c in c_list:
                pass


@timer
def high(a_list, b_list, c_list):
    for a, b, c in product(a_list, b_list, c_list):
        pass


if __name__ == "__main__":
    a_list = random_list(1000)
    b_list = random_list(1000)
    c_list = random_list(1000)
    low(a_list, b_list, c_list)
    high(a_list, b_list, c_list)

И результаты что-то прям совсем грустные:

Elapsed time: 6.1384813 seconds
Elapsed time: 16.4892761 seconds

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