#MENDOZA MATEO DIEGO 
#602-B

from machine import Pin
import time

led1 = Pin(0, Pin.OUT)
led2 = Pin(1, Pin.OUT)
led3 = Pin(2, Pin.OUT)
led4 = Pin(3, Pin.OUT)
led5 = Pin(4, Pin.OUT)
led6 = Pin(5, Pin.OUT)
led7 = Pin(6, Pin.OUT)
led8 = Pin(7, Pin.OUT)
led9 = Pin(8, Pin.OUT)
led10 = Pin(9, Pin.OUT)

bizq = Pin(21, Pin.IN, Pin.PULL_UP)
bder = Pin(20, Pin.IN, Pin.PULL_UP)

LEDS = [led1,led2,led3,led4,led5,led6,led7,led8,led9,led10]


def desplazarizq():
    global i
    if i==0:
        LEDS[i].off()
        i=0
        LEDS[i].on()
    if i != 0:
        LEDS[i].off()
        i -= 1
        LEDS[i].on()

def desplazarder():
    global i
    if i==9:
        LEDS[i].off()
        i=9
        LEDS[i].on()
    if i != 9:
        LEDS[i].off()
        i += 1
        LEDS[i].on()
 


led1.on()
i=0
while True:
    time.sleep_ms(150)
    if bizq.value() == 0:
        desplazarizq()
    time.sleep_ms(150)
    if bder.value() == 0:
        desplazarder()