socketserver模块【socketserver 基于socket完成的，可以模仿并发可以多用户同时访问】

server 服务端

import time
import socketserver

class Myserver(socketserver.BaseRequestHandler):
    def handle(self):
        conn = self.request
        while True:
            try:
                content = conn.recv(1024).decode('utf-8')
                conn.send(content.upper().encode('utf-8'))
                time.sleep(0.5)
            except ConnectionResetError:
                break
server = socketserver.ThreadingTCPServer(('127.0.0.1',9001),Myserver)
server.serve_forever()

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client客户端

import socket

sk = socket.socket()
sk.connect(('127.0.0.1',9001))

while True:
    sk.send(b'hello')
    content = sk.recv(1024).decode('utf-8')
    print(content)

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