缩减版多线程

import threading

lock = threading.Lock()

def th_001(req):
    lock.acquire()
    print(req,time.asctime())
    lock.release()

def test():
    pool=[]
    for i in range(1000):
        th=threading.Thread(target=th_001,args=(i,))
        th.start()
        pool.append(th)
    for t in pool:
        t.join()


if __name__ == '__main__':

    test()