1.server

import socketfrom threading import Threaddef my_socketserver(conn, addr):    conn.send(b'hello')    msg = conn.recv(1024).decode('utf-8')    print(msg)    conn.close()if __name__ == '__main__':    sk = socket.socket()    sk.bind(('127.0.0.1', 8080))    sk.listen()    while True:        conn, addr = sk.accept()        t = Thread(target=my_socketserver, args=(conn, addr)).start()

　　2.client

import socketsk = socket.socket()sk.connect(('127.0.0.1', 8080))msg = sk.recv(1024)print(msg)inp = input('>>>').encode('utf-8')sk.send(inp)sk.close()