Python：创建多线程

#coding=utf-8

import threading
import time

class MyThread(threading.Thread):
    def __init__(self, name, delay):
        threading.Thread.__init__(self)
        self.name = name
        self.delay = delay

    def run(self):
        time.sleep(self.delay)
        print self.name, time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())

th1 = MyThread('th1',2)
th2 = MyThread('th2',1)

th1.start()
th2.start()
print 'main done.'