import board
import digitalio
import time

#DEFINE LOS LEDS
led_pin_1 = board.GP0
led_pin_2 = board.GP1

#CONFIGURA LOS LEDS COMO SALIDAS DIGITALES
led_1 = digitalio.DigitalInOut(led_pin_1)
led_1.direction = digitalio.Direction.OUTPUT
led_2 = digitalio.DigitalInOut(led_pin_2)
led_2.direction = digitalio.Direction.OUTPUT

#FUNCION QUE ACTUALIZA EL VALOR DEL CONTADOR BINARIO DE 2 BITS
def update_leds(counter):
    led_1.value = counter & 0b01
    led_2.value = (counter >> 1) & 0b01

counter = 0

while True:
    update_leds(counter)
    time.sleep(1)
    counter = (counter + 1)%4