code for pocketmoneytronics.co.uk RGB Xmas tree for a Raspberry Pi or a Raspberry Pi Pico written in circuitpython

code.py

import board
import neopixel
from time import sleep
from random import randint

# Update this to match the number of NeoPixel LEDs connected to your board.
num_pixels = 6

pixels = neopixel.NeoPixel(board.GP18, num_pixels)
pixels.brightness = 0.05

for pix in range(num_pixels):
    pixels[pix] = (randint(0, 255), randint(0, 255), randint(0, 255))

while True:
    
    pixels[randint(0,(num_pixels-1))] = (randint(0, 255), randint(0, 255), randint(0, 255))
    pixels.show()
    sleep(0.05)