from machine import Pin
from time import sleep

red1 = Pin(2, Pin.OUT)
yellow1 = Pin(4, Pin.OUT)
green1 = Pin(5, Pin.OUT)

red2 = Pin(13, Pin.OUT)
yellow2 = Pin(12, Pin.OUT)
green2 = Pin(14, Pin.OUT)

def GO_1_STOP_2():
  red1.off()
  yellow2.off()
  green1.on()
  red2.on()
  sleep(4)

def WAIT_1_STOP_2():
  yellow1.on()
  # red2.on()
  green1.off()
  sleep(2)

def STOP_1_GO_2():
  red1.on()
  green2.on()
  yellow1.off()
  red2.off()
  sleep(4)

def WAIT_2_STOP_1():
  # red1.on()
  yellow2.on()
  green2.off()
  sleep(2)

while True:
  GO_1_STOP_2()
  WAIT_1_STOP_2()
  STOP_1_GO_2()
  WAIT_2_STOP_1()