要使用Python创建一个多人聊天室，可以借助Socket模块来实现网络通信功能。以下是一个简单的示例代码：

创建服务器端代码：

import socketimport threading# 服务器端IP和端口SERVER_HOST = '0.0.0.0'SERVER_PORT = 8888# 用于存储客户端连接clients = []def handle_client(client_socket):while True:try:message = client_socket.recv(1024).decode()print(message)broadcast(message, client_socket)except:clients.remove(client_socket)client_socket.close()breakdef broadcast(message, client_socket):for client in clients:if client != client_socket:try:client.send(message.encode())except:client.close()clients.remove(client)# 创建服务器Socketserver_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)server_socket.bind((SERVER_HOST, SERVER_PORT))server_socket.listen(5)print(f"Server is running on {SERVER_HOST}:{SERVER_PORT}")while True:client_socket, client_address = server_socket.accept()clients.append(client_socket)print(f"{client_address} connected")client_thread = threading.Thread(target=handle_client, args=(client_socket,))client_thread.start()

创建客户端代码：

import socketimport threading# 服务器端IP和端口SERVER_HOST = '127.0.0.1'SERVER_PORT = 8888def receive_messages(client_socket):while True:try:message = client_socket.recv(1024).decode()print(message)except:break# 创建客户端Socketclient_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)client_socket.connect((SERVER_HOST, SERVER_PORT))print("Connected to the server")receive_thread = threading.Thread(target=receive_messages, args=(client_socket,))receive_thread.start()while True:message = input()client_socket.send(message.encode())

通过运行以上代码，就可以创建一个简单的多人聊天室。用户可以通过客户端连接到服务器，并发送消息给其他所有用户。在服务器端，所有接入的客户端都会被存储起来，并在接收到消息时广播给所有客户端。