import time
from machine import Pin 
from utime import sleep
time.sleep(0.1) 

ledr = Pin(2, Pin.OUT)
ledg = Pin(6, Pin.OUT)
ledy = Pin(10, Pin.OUT)


while True:
    ledr.high()
    sleep(20)
    ledr.low()

    ledg.high()
    sleep(10)
    ledg.low()

    ledy.high()
    sleep(2)
    ledy.low()