from machine import Pin,Timer
from time import sleep

led_green=Pin(22,Pin.OUT)
led_red=Pin(23,Pin.OUT)
led_blue=Pin(21,Pin.OUT)
button_pin34=Pin(34,Pin.IN,Pin.PULL_UP)

def handler_2(tim2):
  led_red.value(not led_red.value)
    
tim2=Timer(2)
switch=0
while True:
  if button_pin34.value()==0:
    sleep(0.1)

    if button_pin34.value()==1:
      switch=switch+1

    if switch==1:
      led_red.value(1)
      tim2.init(period=1500,mode=Timer.PERIODIC,callback=handler_2)
      sleep(0.2)

    elif switch==2:
      led_green.value(1)  
      tim2.init(period=1000,mode=Timer.PERIODIC,callback=handler_2)
      sleep(1)
      led_red.value(0)

    elif switch==3:
      led_blue.value(1)
      tim2.init(period=500,mode=Timer.PERIODIC,callback=handler_2)
      sleep(0.5)
      led_red.value(0)
      led_green.value(0)
    else: 
      switch=0
      tim2.deinit()
      led_red.value(0)
      #led_green.value(0)
      led_blue.value(0)
      sleep(.1)

  switch_status="The value of switch is {} and button is {}"
  print(switch_status.format(switch,button_pin34()),end="\r")