import socket

s = socket.socket()
host = socket.gethostname()
port = 12346
s.bind((host, port))
print("Vor listen")
s.listen()

while True:
    (connection, addr) = s.accept()
    print("Verbindung von ", addr)
    msg = "Danke für das Vorbeischauen!"
    connection.send(msg.encode('utf-8'))
    connection.close()