from machine import Pin
from time import sleep

btn_pin = Pin(2,Pin.IN)
btn_pin = Pin(15,Pin.OUT)
while True:
    btn_state = btn_pin.value()
    print(btn_state)

    if btn_state == 1:
        led_pin.value(1)
    else:
        led_pin.value(0)
    sleep(0.3)