from machine import Pin
from time import sleep

led = Pin(19,Pin.OUT)
btn = Pin(18,Pin.IN, Pin.PULL_UP)

while True:
    valor = btn.value()
    print("Valor Botão: " ,valor)
    if valor == 0:
        print("Botão Pressionado!")
        led.value(0)
        while (btn.value() == 0):
            sleep(0.2)
    led.value(1)
    sleep(0.2)