Socket

#server.py
import socket

ip_port = ('127.0.0.1',9999)
sk = socket.socket()
sk.bind(ip_port)
sk.listen(5)

while True:
    print('server waiting connecting....')
    conn,addr = sk.accept()
    client_data = conn.recv(1024)
    print(str(client_data,'utf8'))
    conn.sendall(bytes('不要回答，不要回答，不要回答！','utf8'))

sk.close()

#---------------------------------------------------------- 
#client.py 

import socket 
ip_port = ('127.0.0.1',9999) 
sk = socket.socket() 
sk.connect(ip_port) 
sk.sendall(bytes('请求占领地球','utf8')) 
server_data = sk.recv(1024) 

print(str(server_data,'utf8')) 
sk.close()

#server.py
import socket

ip_port = ('127.0.0.1', 9999)

sk = socket.socket()
sk.bind(ip_port)
sk.listen(5)

while True:
    print('server waiting....')
    conn, addr = sk.accept()
    while True:
        client_data = conn.recv(1024)
        print(str(client_data,'utf8'))
        user = input('>>>:')
        conn.sendall(bytes(user,'utf8'))

sk.close()


#client.py
import socket

ip_port = ('127.0.0.1', 9999)

sk = socket.socket()
sk.connect(ip_port)

while True:
    user = input('>>>:').strip()
    sk.sendall(bytes(user,'utf8'))
    server_reply = sk.recv(1024)
    print(str(server_reply,'utf8'))

sk.close()