#!/usr/bin/env python

import sys
import time
import threading

class T(threading.Thread):
    def run(self):
        while True:
            time.sleep(1)
            print('hihi')

        print('exiting from thread...')

def main():
    t = T()
    print(t.isDaemon())
    t.start()
    time.sleep(2)
    print('exit...')
    sys.exit()

main()