import machine
from machine import Pin
import time
pulsador = Pin (2,Pin.IN,Pin.PULL_UP)
contador = 0

while True:
    while pulsador.value():
        continue
    time.sleep_ms(3)
    contador += 1
    print("Contador= "+str(contador))
    while not pulsador.value():
        continue
    time.sleep_ms(3)