from machine import Pin
import time

led_pins = [2, 3, 4, 5, 6]
leds = [Pin(pin, Pin.OUT) for pin in led_pins]
button = Pin(15, Pin.IN, Pin.PULL_UP)
pattern = [1, 1, 1, 0, 0]

last_state = 0

def shift_pattern():
    global pattern
    pattern = [pattern[-1]] + pattern[:-1]  

def update_leds(state):
    for i in range(5):
        if pattern[i] == 1:
            leds[i].value(state)
        else:
            leds[i].value(0)

while True:
    current = button.value()

    if current == 1 and last_state == 0:
        shift_pattern()
        time.sleep(0.2)  

    last_state = current

    # ON
    update_leds(1)
    time.sleep(0.2)

    # OFF
    update_leds(0)
    time.sleep(0.2)