from machine import Pin
import time

Led_rood = Pin(13, Pin.OUT)   
Led_oranje = Pin(12, Pin.OUT) 
Led_groen = Pin(14, Pin.OUT)  

verkeerslicht = [[1,0,0],[0,0,1],[0,1,0]]

while True:
    for licht in verkeerslicht:
        Led_rood.value(licht[0])
        Led_oranje.value(licht[1])
        Led_groen.value(licht[2])
        time.sleep(2)