from machine import Pin,Timer

import time

Tools = [

  Pin(33,Pin.OUT),

  Pin(21,Pin.OUT),

  Pin(23,Pin.OUT),

  Pin(14,Pin.IN,Pin.PULL_DOWN)

 ]

red = Tools[0].value

yellow = Tools[1].value

green = Tools[2].value

btn = Tools[3].value

while True:

     green(1)

     if btn() == 1:

         green(0)

         yellow(1)

         now = time.ticks_ms()

         while time.ticks_diff(time.ticks_ms(),now) < 2000:

            pass

         yellow(0)

         red(1)

         now = time.ticks_ms()
       
         while time.ticks_diff(time.ticks_ms(),now) < 6000:

            pass

         red(0)

         green(1)