import socket

 # 创建tcp socket的套接字

 sk = socket.socket()

 # bind

 sk.bind(('127.0.0.1',8080))

 # 监听

 sk.listen(5)

 # 等待连接

 while 1:

     conn, addr = sk.accept()

     while 1:

         msg_s = input('>>>')

         conn.send(msg_s.encode('utf-8'))

         if msg_s == 'q':

             break

         msg_r = conn.recv(1024).decode('utf-8')

         if msg_r == 'q':

             break

         print(msg_r)

     conn.close()

 sk.close()

 import socket

 sk = socket.socket()

 sk.connect(('127.0.0.1',8080))

 while 1:

     msg_r = sk.recv(1024).decode('utf-8')

     if msg_r == 'q':

         break

     print(msg_r)

     msg_s = input('>>>')

     sk.send(msg_s.encode('utf-8'))

     if msg_s == 'q':

         break

 sk.close()