spnsss.py 594 B

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  1. #coding=utf-8
  2. import threading
  3. from time import sleep,ctime
  4. def sing():
  5. for i in range(3):
  6. print("正在唱歌...%d"%i)
  7. sleep(1)
  8. def dance():
  9. for i in range(3):
  10. print("正在跳舞...%d"%i)
  11. sleep(1)
  12. if __name__ == '__main__':
  13. print('---开始---:%s'%ctime())
  14. t1 = threading.Thread(target=sing)
  15. t2 = threading.Thread(target=dance)
  16. t1.start()
  17. t2.start()
  18. while True:
  19. length = len(threading.enumerate())
  20. print('当前运行的线程数为:%d'%length)
  21. if length<=1:
  22. break
  23. sleep(0.5)