线程继承threading.Thread

import threading
import time
import requests


class MyThreading(threading.Thread):
    def __init__(self, url):
        self.url = url   # 给run方法传参，只能通过 self的属性
        super().__init__()  # 重写__init__方法一定要调用父类方法

    def run(self):
        for i in range(5):
            res = requests.get(self.url)
            print(threading.current_thread(), '-----', res.status_code)


s_time = time.time()
for i in range(5):
    m1 = MyThreading('http://www.baidu.com')
    m1.start()
m1.join()
e_time = time.time()
print(e_time - s_time)