server_chat_py/server.py

import socket

server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind(('127.0.0.1', 9094))
server.listen(1)
print('Server listen on 9090')

while True:
    try:
        client, addr = server.accept()
    except KeyboardInterrupt:
        server.close()
        break
    else:
        print('Client', addr, 'connect')
        client_name = client.recv(1024).decode('utf-8')
        print(client_name, 'has been connect.')
        while True:
            data = client.recv(1024).decode('utf-8')
            if data == 'exit':
                client.close()
            else:
                print(client_name, ' : ', data)