from machine import Pin
from time import sleep

# Define button pins
button_1 = Pin(16, Pin.IN)  # Button to turn LEDs on
button_2 = Pin(17, Pin.IN)  # Button to turn LEDs off

# Keep track of which LED to turn on or off next
count = 1  # Start with the first LED (pin 10)

while True:
    if button_1.value() == 1:  
        if count <= 10:
            pin_number = 11 - count  
            led = Pin(pin_number, Pin.OUT)  
            led.value(1)  # Turn on the LED
            count += 1  # Move to the next LED
        sleep(0.3)  # Debounce delay
    if button_2.value() == 1:  
        if count > 1:  
            count -= 1  # Decrement count to go back one LED
            pin_number = 11 - count 
            led = Pin(pin_number, Pin.OUT)
            led.value(0)  # Turn off the corresponding LED
        sleep(0.3)  # Debounce delay