from machine import Pin
import time

led = Pin(2, Pin.OUT)
button = Pin(14, Pin.IN, Pin.PULL_UP)

state = 0

while True:
    if button.value() == 0:  # button pressed (active low)
        state = not state     # toggle LED state
        led.value(state)
        time.sleep(0.05)      # small pause to avoid too-fast toggling