import paho.mqtt.client as mqtt

def on_message(client, userdata, msg):
    print(f"Received `{msg.payload.decode()}` from `{msg.topic}` topic")

client = mqtt.Client('demo_unimib_subabcdeede')
client.connect('test.mosquitto.org')
client.on_message = on_message
client.subscribe('skenz_room1/#')
client.loop_forever()