send_fb_message.py

def send_fb_message(to, message):
    post_message_url = 'https://graph.facebook.com/v2.6/me/messages?access_token={token}'.format(token=config.FB_TOKEN)
    response_message = json.dumps({"recipient":{"id": to}, 
                                   "message":{"text":message}})
    req = requests.post(post_message_url, 
                        headers={"Content-Type": "application/json"}, 
                        data=response_message)
    print("[{}] Reply to {}: {}", req.status_code, to, message)