import threading
from time import ctime,sleep
import time

def music(name):
    print(‘listening to {name}.{time}‘.format(name=name,time=ctime()))
    sleep(3)
    print(‘end {time}‘.format(time=ctime()))

def blog(title):
    print(‘recording the {title}.{time}‘.format(title=title,time=ctime()))
    sleep(5)
    print(‘end {time}‘.format(time=ctime()))

threads =[]
t1 =threading.Thread(target=music,args=(‘like‘,))
t2 =threading.Thread(target=blog,args=(‘beijing‘,))

threads.append(t1)
threads.append(t2)
if __name__ == ‘__main__‘:

    # t1.setDaemon(True) #註:一定要在start之前設置.它說明在主線程是否結束不考慮
          #  t1線程是否運行結束,故主線程是否結束於t2線程有關
    t2.setDaemon(True) #運行的結果與t1.setDaemon(True)的結果不同的然因是兩個
     #  線程運行結束的時間不同
    for i in threads:  #運行t1和t2線程
        i.start()
    
    #t2.join()
    print(‘all over %s‘ % ctime())

在一個進程中定義多個線程