import socket

# This block starts a server listen for a connection
our_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
our_socket.bind(("0.0.0.0", 5103))
our_socket.listen()

# This is how you exchange data with a client
while True:
    conn_socket, addr = our_socket.accept()
    print("New connection from:  ", addr)
    # instead of send/receive, start a new thread for the client!
    # We didn't do that yet, so the following code doesn't make new threads
    # If you want to, Python has a function called start_new_thread
    try:
        conn_socket.send(b"Good morning!");
        print(conn_socket.recv(100))
        conn_socket.close()
    except Exception as e:
        print("we had some kind of failure:", e)
our_socket.close()