from led import Led
from time import sleep
from machine import Pin

red_led = Led(4)
blue_led = Led(2)

try:
    while True:
        red_led.turn_on()
        blue_led.turn_off()
        sleep(1)
        red_led.turn_off()
        blue_led.turn_on()
        sleep(1)
except KeyboardInterrupt:
    print("bye...")
    red_led.turn_off()
    blue_led.turn_off()