#Morales Martínez Esmeralda
#602-B
from machine import Pin
import time

b1 = Pin(16, Pin.IN, Pin.PULL_UP)  # der
b2 = Pin(17, Pin.IN, Pin.PULL_UP)  # izq


leds = [
    Pin(0, Pin.OUT),
    Pin(1, Pin.OUT), 
    Pin(2, Pin.OUT),
    Pin(3, Pin.OUT), 
    Pin(4, Pin.OUT), 
    Pin(5, Pin.OUT),
    Pin(6, Pin.OUT), 
    Pin(7, Pin.OUT), 
    Pin(8, Pin.OUT),
    Pin(9, Pin.OUT)
]

pos = 0

def actualizar_leds():
    for i in range(10):
        leds[i].value(1 if i == pos else 0)

actualizar_leds()

while True:
    
    if b1.value() == 0:
        if pos < 9:
            pos += 1
            actualizar_leds()
        time.sleep_ms(200)  
    
    if b2.value() == 0:
        if pos > 0:
            pos -= 1
            actualizar_leds()
        time.sleep_ms(200)