from machine import Pin
import time


btn_in = Pin(32, Pin.IN)
btn_out = Pin(35, Pin.IN)


led1 = Pin(22, Pin.OUT)
led2 = Pin(21, Pin.OUT)
led3 = Pin(19, Pin.OUT)
led4 = Pin(18, Pin.OUT)
led5 = Pin(5,  Pin.OUT)
led6 = Pin(17, Pin.OUT)
led7 = Pin(4,  Pin.OUT)
led8 = Pin(2,  Pin.OUT)


leds = [led1, led2, led3, led4, led5, led6, led7, led8]

for led in leds:
    led.value(0)

x = 0 

prev_in = 0
prev_out = 0

while True:
    current_in = btn_in.value()
    current_out = btn_out.value()

    if current_in == 1 and prev_in == 0:
        if x < len(leds):
            leds[x].value(1)
            x += 1
            print("number of car",x)
        else:
            print("All LEDs are already ON")
        time.sleep(0.2)

    if current_out == 1 and prev_out == 0:
        if x > 0:
            x -= 1
            leds[x].value(0)
            print("number of car",x)
        else:
            print("All LEDs are already OFF")
        time.sleep(0.2)

    prev_in = current_in
    prev_out = current_out