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from adafruit_circuitplayground.express import cpx

import adafruit_fancyled.adafruit_fancyled as fancy

cpx.pixels.auto_write = False # Update only when we say

cpx.pixels.brightness = 0.15 # make less blinding

palette = [fancy.CRGB(255, 255, 255), # White

fancy.CRGB(0, 0, 255), # Blue

fancy.CRGB(255, 0, 0), # Red

fancy.CRGB(0, 0, 0)] # Black

offset = 0 # Position offset into palette to make it "spin"

while True:

for i in range(10):

color = fancy.palette_lookup(palette, offset + i / 9)

color = fancy.gamma_adjust(color, brightness=0.25)

cpx.pixels[i] = color.pack()

cpx.pixels.show()

offset += 0.033 # Bigger number = faster spin