from machine import Pin
import time
_init()

LedPin = 0
led = Pin(LedPin, Pin.OUT)

class Button:
    def __init__(self, p, pressSate):
        self.pin = Pin(p, Pin.IN)
        self.pressSate = pressSate
        self.oldState = not pressSate
    
    def onPress(self):
        state = self.pin.value()
        if state != self.oldState:
            self.oldState = state
            if state == self.pressSate:
                return True
        return False


btn = Button(16, 1)

while True:
    if btn.onPress():
        led.on()
        time.sleep(1)
        led.off()