Server (Receiver) Code

import socket

def start_server(host='127.0.0.1', port=12345):
    """Starts a TCP server that listens for incoming messages."""
    server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    server_socket.bind((host, port))
    server_socket.listen(5)
    
    print(f"Server listening on {host}:{port}...")
    
    while True:
        client_socket, client_address = server_socket.accept()
        print(f"Connected to {client_address}")
        
        while True:
            data = client_socket.recv(1024).decode()
            if not data or data.lower() == 'exit':
                print(f"Connection closed by {client_address}")
                break
            
            print(f"Received: {data}")
            response = f"Server received: {data}"
            client_socket.send(response.encode())
        
        client_socket.close()
    
    server_socket.close()

if __name__ == "__main__":
    start_server()