from machine import Pin
import time

led = Pin(18,Pin.OUT)
button = Pin(4,Pin.IN)
print(button.value())

'''
while True:
    if button.value() == 1: 
        led.on
    else:
        led.off
'''
def handle_interrup(pin):
    led.value(not led.value())
    print(pin.value())
button.irq(trigger=Pin.IRQ_FALLING, handler=handle_interrup)