python-thread多线程

 #!/usr/bin/python
import threading,time

def Music():
    print "music is playing"
    time.sleep(3)

def Movie():
    print "Movieis playing"
    time.sleep(5)

t1=threading.Thread(target=Movie)
t2=threading.Thread(target=Music)

t1.setDaemon(True)
t1.start()
t2.setDaemon(True)

t2.start()
t1.join()
t2.join()

time.sleep(3)
print "all over!"