from machine import Pin
from time import sleep

# Define LED pins from bottom (10) to top (1)
led_pins = range(10, 0, -1)
while True:
    print("Enter battery percentage (0 to 100):")

    percentage = int(input()) 

    if percentage < 0:
        percentage = 0

    if percentage > 100:
        percentage = 100

    led_count = percentage // 10

    if percentage > 0 and led_count == 0:
        led_count = 1
        # Turn OFF all LEDs
        for pin in led_pins:
            led = Pin(pin, Pin.OUT)
            led.value(0)

    # Turn ON LEDs based on percentage
    for i in range(led_count):
        pin_number = 10 - i
        led = Pin(pin_number, Pin.OUT)
        led.value(1)

    print("Battery Level:", percentage, "%")