from machine import Pin
import time

led = Pin(22, Pin.OUT)

btn1 = Pin(21, Pin.IN, Pin.PULL_UP)
btn2 = Pin(18, Pin.IN, Pin.PULL_UP)

cont = 0

while True:
    led.value(0)

    if btn1.value() == 0:
        if btn1.value() == 0:
            print (cont)
            cont = cont + 1
        if cont == 2:
            led.value(1)

time.sleep(0.1)