import time
from threading import Thread
from multiprocessing import Process

#守護程序:主程序程式碼執行執行結束,守護程序隨之結束

#守護執行緒:守護執行緒會等待所有非守護執行緒執行結束才結束

def f1():
    time.sleep(2)
    print('1號執行緒')

def f2():
    time.sleep(3)
    print('2號執行緒')
if __name__ == '__main__':
    # t1 = Thread(target=f1,)
    # t2 = Thread(target=f2,)
 

    # t1.daemon = True
    # t2.daemon = True
    # t1.start()
    # t2.start()
    # print('主執行緒結束')
    t1 = Process(target=f1, )
    t2 = Process(target=f2, )
    # t1.daemon = True
    # # t2.daemon = True
    t1.start()
    t2.start()

    print('主程序結束')