debug switch pattern.py

import time
import board
import neopixel

from digitalio import DigitalInOut, Direction, Pull

switch = DigitalInOut(board.D3)
switch.direction = Direction.INPUT
switch.pull = Pull.UP

pixel_pin = board.D2
num_pixels = 16
pixels = neopixel.NeoPixel(pixel_pin, num_pixels, brightness=0.7, auto_write=False)

on = 0

RED = (255, 0, 0)
YELLOW = (255, 150, 0)
GREEN = (0, 255, 0)
CYAN = (0, 255, 255)
BLUE = (0, 0, 255)
PURPLE = (180, 0, 255)
WHITE = (255, 255, 255)
OFF = (0, 0, 0)

while True:
    if (switch.value == 0 and on == 0):
        print(on)
        pixels[1] = YELLOW
        pixels[2] = BLUE
        pixels[3] = GREEN
        pixels[4] = CYAN
        pixels[5] = YELLOW
        pixels[6] = BLUE
        pixels[7] = GREEN
        pixels[8] = CYAN
        pixels[9] = YELLOW
        pixels[10] = BLUE
        pixels[11] = GREEN
        pixels[12] = CYAN
        pixels[13] = YELLOW
        pixels[14] = BLUE
        pixels[15] = GREEN
        pixels[0] = CYAN
        pixels.show()
        on = 1
    
    if (switch.value == 1 and on == 1):
        print(on)
        for i in range(0, 16, 1):
            pixels[i] = OFF
        pixels.show()
        on = 0  # ← Now properly indented inside the if block
    
    time.sleep(0.2)
    print(on)