client_socket.py

import socket
import sys
import json


sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
m = {"id": str(randrange(10)), "action": "stop"} # a real dict.
command = json.dumps(m)

print ("Enviando para o servidor:"+command)
sock.connect(('talker', 9999))
sock.sendall(command.encode())