threading02.py

#!/usr/bin/env python

import threading
import time

class test(threading.Thread):
    def __init__(self):
        threading.Thread.__init__(self)
        self.setDaemon(True)
        self.i = 0

    def run(self):
        print "Start."
        while True:
            time.sleep(10)
            self.i += 1
            print self.i * 10

if __name__ == "__main__":
    t = test()
    t.start()
    time.sleep(30)