from machine import Pin
from time import sleep

led4 = Pin(4, Pin.OUT)
led5 = Pin(5, Pin.OUT)
led6 = Pin(6, Pin.OUT)
led7 = Pin(7, Pin.OUT)
led8 = Pin(8, Pin.OUT)
led9 = Pin(9, Pin.OUT)
led10 = Pin(10, Pin.OUT)
led11 = Pin(11, Pin.OUT)
led12 = Pin(12, Pin.OUT)
led13 = Pin(13, Pin.OUT)

leds = [Pin(i, Pin.OUT) for i in range(6, 16)]

def seq1():
    for i in range(10):
        leds[i].value(1)
        sleep(1)
        leds[i].value(0)
    for i in range(8, -1, -1):
        leds[i].value(1)
        sleep(1)
        leds[i].value(0)

def seq2():
    pares = [(0,9),(1,8),(2,7),(3,6),(4,5)]
    for a,b in pares:
        leds[a].value(1)
        leds[b].value(1)
        sleep(1)
        leds[a].value(0)
        leds[b].value(0)
    for a,b in pares[-2::-1]:
        leds[a].value(1)
        leds[b].value(1)
        sleep(1)
        leds[a].value(0)
        leds[b].value(0)

def seq3():
    pares = [(0,5),(1,6),(2,7),(3,8)]
    for a,b in pares:
        leds[a].value(1)
        leds[b].value(1)
        sleep(1)
        leds[a].value(0)
        leds[b].value(0)
    for a,b in pares[::-1]:
        leds[a].value(1)
        leds[b].value(1)
        sleep(1)
        leds[a].value(0)
        leds[b].value(0)

def seq4():
    orden1 = [0,2,4,6,8]
    orden2 = [9,7,5,2,1]
    for i in orden1:
        leds[i].value(1)
        sleep(1)
        leds[i].value(0)
    for i in orden2:
        leds[i].value(1)
        sleep(1)
        leds[i].value(0)

while True:
    a = not pb1.value()
    b = not pb2.value()

    if a == 0 and b == 0:
        seq1()
    elif a == 0 and b == 1:
        seq2()
    elif a == 1 and b == 0:
        seq3()
    else:
        seq4()