from machine import Pin
import time

led_pin = Pin(19, Pin.OUT)
push1 = Pin(2, Pin.IN, Pin.PULL_UP)
push2 = Pin(15, Pin.IN, Pin.PULL_UP)

led_state = False
push1_last_state = 1
push2_last_state = 1

while True:
    push1_state = push1.value()
    push2_state = push2.value()

    if push1_state == 0 and push1_last_state == 1:
        led_state = not led_state
        led_pin.value(led_state)

    if push2_state == 0 and push2_last_state == 1:
        led_state = not led_state
        led_pin.value(led_state)

    push1_last_state = push1_state
    push2_last_state = push2_state
    time.sleep(0.5)