print("Hello, ESP32!")

from machine import Pin
import time

# Define the pin numbers for the 8 LEDs
led_pins = [2, 4, 17, 5, 18, 19, 21, 23]
button = Pin(14, Pin.IN)

# Initialize the LED pins
leds = [Pin(pin, Pin.OUT) for pin in led_pins]

def running_lights(direction, delay):
    for i in range(len(leds)):
        # Turn on the current LED
        leds[i].on()
        time.sleep_ms(delay)
        # Turn off the current LED
        leds[i].off()

    if direction == 'left':
        leds.reverse()

# Set the initial direction and delay
current_direction = 'left'
delay_ms = 250

# Run the running lights
while True:
    running_lights(current_direction, delay_ms)
    time.sleep(0.5)  # Wait for a short duration before changing direction
    current_direction = 'right' if current_direction == 'left' else 'left'