python多线程练习

import threading
from time import sleep,ctime 

def print1():
    for i in range(10):
        print(i,end='')
        print('  0123456789  %s' % ctime())
        sleep(4)

def print2():
    for i in range(10):
        print(i,end='')
        print('  哈哈        %s' % ctime())
        sleep(3)



t1 = threading.Thread(target=print1)#t1 = threading.Thread(target=music,args=('参数',))
t2 = threading.Thread(target=print2)
threads = [t1,t2]
        
for t in threads:
    t.setDaemon(True)#父进程结束，就杀死子进程
    t.start()
                
for t in threads:#等待进程结束
    t.join()
print('OK!')