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- #coding=utf-8
- import threading
- from time import sleep,ctime
- def sing():
- for i in range(3):
- print("正在唱歌...%d"%i)
- sleep(1)
- def dance():
- for i in range(3):
- print("正在跳舞...%d"%i)
- sleep(1)
- if __name__ == '__main__':
- print('---开始---:%s'%ctime())
- t1 = threading.Thread(target=sing)
- t2 = threading.Thread(target=dance)
- t1.start()
- t2.start()
- while True:
- length = len(threading.enumerate())
- print('当前运行的线程数为:%d'%length)
- if length<=1:
- break
- sleep(0.5)
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