test for thread.

thread_test.py

import threading
import time

i = 0

class test(threading.Thread):
  def __init__(self):
    threading.Thread.__init__(self)
    self.daemon = True
  def run(self):
    global i
    for n in range(1000):
      i += 1

if __name__ == '__main__':
  for n in range(100):
    thr = test()
    thr.start()

  time.sleep(10)
  print str(i)