python小程序之并发连接

 import threading
 import  socket
 import time
 def conn():
     cli = socket.socket()
     cli.connect(("58.68.232.139",80))
     while True:
         data = input(">>>").strip()
         if len(data)  == 0:continue
         cli.send(data.encode())
         reciv = cli.recv(1024)
         print(reciv)
 for i in range(2000):
     t =threading.Thread(target=conn)
     t.setDaemon(True)
     t.start()
 time.sleep(15)
 print("--main--")