import machine
import time

luz = machine.Pin(1, machine.Pin.OUT)
luz2 = machine.Pin(20, machine.Pin.OUT)
luz3 = machine.Pin(18, machine.Pin.OUT)

btn_1 = machine.Pin(21, machine.Pin.IN, machine.Pin.PULL_UP)

while True:
    if btn_1.value() == 0:
        luz.value(1)
    else
        luz.value(0)


"""
    luz.value(1) # aqui liga o LED vermelho
    time.sleep(1)

    luz.value(0) # aqui desliga o LED vermelho
    time.sleep(1)

    luz2.value(1) # aqui liga o LED azul
    time.sleep(1)

    luz2.value(0) # aqui desliga o LED azul
    time.sleep(1)

    luz3.value(1) # aqui liga o LED laranja
    time.sleep(1)

    luz3.value(0) # aqui desliga o LED laranja
    time.sleep(1)
"""