python 多线程

# -*- coding: utf-8 -*-
from threading import Thread, Lock

def my_func():
    """完成耗时的工作"""
    pass

 
def long_time_task():
        ths = []
        for _ in range(10):  # 开启10个线程
            th = Thread(target=my_func)
            th.start()
            ths.append(th)
        for th in ths:
            th.join()


if __name__ == "__main__":
    long_time_task()