python多线程

# _*_ coding:utf8 _*_
from threading import Thread
import time

def run(n):    
    for tc in xrange(1,60):
        print str(n)+'的'+str(tc)+'线程一直在执行时间:'+str(time.time())+"\n"        
        time.sleep(1)
    pass

def startthread():
    t1 = Thread(target=run,args=(1,))
    t2 = Thread(target=run,args=(2,))
    t3 = Thread(target=run,args=(3,))
    t4 = Thread(target=run,args=(4,))
    t5 = Thread(target=run,args=(5,))
    t1.start()
    t2.start()
    t3.start()
    t4.start()
    t5.start()
    pass

if __name__ == '__main__':
    startthread()
    pass