liweicheng00

def update(d: dict, u) -> dict:
    for k, v in u.items():
        if isinstance(v, collections.abc.Mapping):
            d[k] = update(d.get(k, {}), v)
        else:
            d[k] = v
    return d

liweicheng00

import asyncio
import time
import random


def random_sleep(task_id: int):
    for t in range(5):
        sleep = random.randrange(1000, 2000, 1)
        time.sleep(sleep / 1000)
        print(f'task_id: {task_id}, running ({t})')