https://www.emqx.com/en/blog/how-to-use-mqtt-in-python
from paho.mqtt import client as mqtt_client
broker = 'broker.emqx.io'
port = 1883
topic = "python/mqtt"
client_id = f'python-mqtt-{random.randint(0, 1000)}'
# username = 'emqx'
# password = 'public'