from machine import Pin
from utime import sleep_ms

led1 = Pin(18, Pin.OUT)
led2 = Pin(17, Pin.OUT)
led3 = Pin(16, Pin.OUT)
button1 = Pin(13, Pin.IN)
button2 = Pin(14, Pin.IN)
button3 = Pin(15, Pin.IN)

leds_botoes = {
    button1 : led1,
    button2 : led2,
    button3 : led3
}
ultimo_estado_botao = 0

while True:
    # Botões pull up e down
    for botao in [button1, button2]:
        if botao.value() == 1:
            leds_botoes[botao].on()
        else:
            leds_botoes[botao].off()

    # Botão switch
    if button3.value() == 1 and ultimo_estado_botao == 0:
        led3.toggle()

    ultimo_estado_botao = button3.value()

    sleep_ms(20)