雙擊檔案執行

import multiprocessing
import time

def foo():
    name = multiprocessing.current_process().name
    print ("Starting %s \n" %name)
    time.sleep(3)
    print ("Exiting %s \n" %name)
    time.sleep(5)
    

if __name__ == '__main__':
    background_process = multiprocessing.Process\
                         (name
 
='background_process',\
                          target=foo)
    background_process.daemon = True

    NO_background_process = multiprocessing.Process\
                            (name='NO_background_process',\
                             target=foo)
    
    NO_background_process.daemon = False
    
    background_process.start()
    NO_background_process.start()