import socket

s = socket.socket()
host = socket.gethostname()
port = 12345
s.connect((host, port))

while True:
    msg = input("Etwas eingeben! ")
    s.send(msg.encode('utf-8'))
    if(msg != "STOP"):
        break
    bytes = s.recv(1024)
    print(bytes.decode('utf-8'))

s.close()