from machine import Pin
from utime import sleep

led0 = Pin(5, Pin.OUT)
led1 = Pin(9, Pin.OUT)
led2 = Pin(13, Pin.OUT)
Pled0 = Pin(28, Pin.OUT)
Pled1 = Pin(22, Pin.OUT)
Pled2 = Pin(18, Pin.OUT)

def traffic_lights():
  led0.toggle()
  Pled0.toggle()
  sleep(1)
  led0.off()
  Pled0.off()
  led1.toggle()
  Pled1.toggle()
  sleep(0.5)
  led1.off()
  Pled1.off()
  led2.toggle()
  Pled2.toggle()
  sleep(1)
  led2.off()
  Pled2.off()
  led1.toggle()
  Pled1.toggle()
  sleep(0.5)
  led1.off()
  Pled1.off()


while True:
  traffic_lights()