Threading for a raspberry pi bot

threading_pi_bot.py

#!/usr/bin/env python3

import threading

class led_thread(threading.Thread):
    def run(self):
        print('Doing led stuff')
        #Other stuff

class listener_thread(threading.Thread):
    def run(self):
        print('Listening')
        #Other stuff
        
def main():
    leds=led_thread()
    listener=listener_thread()
    leds.start()
    listener.start()
    leds.join()
    listener.join()
    
main()