import machine 
import time

LED_PIN=0 
BUTTON_PIN = 14

led  = machine.Pin (LED_PIN, machine.Pin. OUT)
button = machine. Pin(BUTTON_PIN, machine.Pin.IN, machine.Pin.PULL_UP)

while True:
    if not button.value():
        led.on()
        print("LED ON!")
        time.sleep(0.5)
    else:
        led.off()
        print("LED OFF!")
        time.sleep(0.5)