import machine

tim = machine.Timer(-1)

led = machine.Pin(23, machine.Pin.OUT)
swBlink = machine.Pin(22, machine.Pin.IN, machine.Pin.PULL_UP)
swOn = machine.Pin(21, machine.Pin.IN, machine.Pin.PULL_UP)

led_state = False

def toggle_led(t):
    global led_state

    led_state = not led_state #convert the state of LED
    led.value(led_state)

def led_blink(irq):
    tim.init(period=250, callback = toggle_led)

def led_on(irq):
    tim.deinit()
    led.on()

swBlink.irq(trigger = machine.Pin.IRQ_FALLING, handler = led_blink)
swOn.irq(trigger = machine.Pin.IRQ_FALLING, handler = led_on)