from machine import Pin
import time

# Define LEDs and button
leds = [Pin(i, Pin.OUT) for i in [1, 2, 3, 28, 27]]
button = Pin(21, Pin.IN)
current_led = 0

def light_up(index):
    # Turn on only the LED at the specified index, turn off others
    for i, led in enumerate(leds):
        led.value(i == index)

while True:
    if button.value() == 1:  # Button pressed
        current_led = (current_led + 1) % len(leds)
        light_up(current_led)
        time.sleep(0.75)

'''def lightup(on):
    for i in range(5):
        if i==on:
            led[i].value(1)
        else:
            led[i].value(0)
while True:
    if pbutton.value() == 1:
        if current_led==-1:
            current_led=0
        else:
            current_led = (current_led + 1) % 5
        lightup(current_led)
        time.sleep(0.75)'''