#!/usr/bin/python  
#-*-coding:utf-8-*-  
  
import threading  
#用于线程执行的函数  
def counter(n):  
    cnt = 0;  
    for i in xrange(n):  
        for j in xrange(i):  
            cnt += j;  
    print cnt;              
              
if __name__ == '__main__':  
    #初始化一个线程对象，传入函数counter，及其参数1000  
    th = threading.Thread(target=counter, args=(1000,));  
    #启动线程  
    th.start();  
    #主线程阻塞等待子线程结束  
    th.join();  


#//python/5616