6 线程threading

#-*- coding:utf-8 -*-
import time

def main():
    print("我错了。。。")
    time.sleep(1)


if __name__ == "__main__":
    start_time = time.time()
    for i in range(5):
        main()
    end_time = time.time()
    print("the run time is %s"%(end_time-start_time))

#-*- coding:utf-8 -*-
from threading import Thread
import time

#1.如果多个线程执行的都是同一个函数的话，各自之间不会有影响，各是各的
def main():
    print("我错了。。。")
    time.sleep(1)


if __name__ == "__main__":
    start_time = time.time()
    for i in range(5):
       # Process(target=test)  Process进程完成多任务
       t = Thread(target=main)
       t.start()

    end_time = time.time()
    print("the run time is %s"%(end_time-start_time))

#coding=utf-8
import threading
import time

class MyThread(threading.Thread):
    def run(self):
        for i in range(3):
            time.sleep(1)
            msg = "I‘m "+self.name+‘ @ ‘+str(i) #name属性中保存的是当前线程的名字
            print(msg)


if __name__ == ‘__main__‘:
    t = MyThread()
    t.start()

#coding=utf-8
import threading
import time

class MyThread(threading.Thread):
    def run(self):
        for i in range(3):
            time.sleep(1)
            msg = "I‘m "+self.name+‘ @ ‘+str(i)
            print(msg)
def test():
    for i in range(5):
        t = MyThread()
        t.start()
if __name__ == ‘__main__‘: