main_lock.py 文件源码

def myThread_B(time_):
    time.sleep(time_)
    if lock.acquire():#????
        print('?? thread B-')
        print('?? thread B- Sleep 5s')
        time.sleep(5)
        print('?? thread B-Wake up')
        lock.release()#??? ????
    _thread.exit()