from machine import Pin
import time

led=Pin(4,Pin.OUT)

btn1=Pin(14,Pin.IN,Pin.PULL_DOWN) #pulsante PULL-DOWN
btn2=Pin(27,Pin.IN, Pin.PULL_UP) #pulsante PULL-UP

led.off()

def accendiLed(bt1):
    led.on()

def spegniLed(bt2):
    led.off()

btn1.irq(handler=accendiLed, trigger=Pin.IRQ_FALLING)
btn2.irq(handler=spegniLed, trigger=Pin.IRQ_RISING)