1. import threading
    2. import time
    3. g_list = list()
    5. def add_list():
    6.     for item in range(5):
    7.         g_list.append(item)
    8.         print(item)
    9.         time.sleep(0.2)
    10.         pass
    11.     pass
    13. def read_list():
    14.     print(g_list)
    15.     pass
    17. if __name__ == '__main__':
    18.     add_thread = threading.Thread(target=add_list)
    19.     add_thread.start()
    20.     # 当前进程等待add_thread进程执行完之后，才能够往下执行
    21.     add_thread.join()
    22.     read_thread = threading.Thread(target=read_list)
    23.     read_thread.start()