from machine import Pin
from time import sleep
import time

led=Pin(2,Pin.OUT)
turn_off=Pin(4,Pin.IN,Pin.PULL_UP)
turn_on=Pin(16,Pin.IN,Pin.PULL_UP)

while True:
    if turn_on.value()==0:
        led.value(1)
    if turn_off.value()==0:
        led.value(0)
    sleep(0.1)