from machine import Pin
from time import sleep

buttonPin = 25
LEDPin = 26
button_state = 0
led_state = 0

led = Pin(LEDPin, Pin.OUT)
push_button = Pin(buttonPin, Pin.IN, Pin.PULL_UP)

while True:
  last_State = button_state
  button_state = push_button.value()
  if button_state == 0 and last_State == 1:
    led_state = not(led_state)
    led.value(led_state)
  sleep(0.1)