from machine import Pin
from time import sleep

LED_Pin = 2
BTN_Pin = 14

led = Pin(LED_Pin , Pin.OUT)
btn = Pin(BTN_Pin , Pin.IN , Pin.PULL_UP)

while True:
    if btn.value() == 0: #btn pressed
         led.value(1)
    else:
        led.value(0)
    sleep(0.02)