from machine import Timer, Pin 

def callback_timer (t): 
    global etat_led
    etat_led = not(etat_led)


etat_led = 1
led_1 = Pin(32,Pin.OUT)
led_2 = Pin(33,Pin.OUT)
tim0 = Timer(0)
tim0.init(period=2000, mode=Timer.PERIODIC, callback=callback_timer)
Bouton= Pin(26,Pin.IN,Pin.PULL_UP)


while True: 
    if Bouton.value()==0 : 
        led_2.value(1)
    else : 
        led_2.value(0)

    led_1.value(etat_led)