Code

sprite = Sprite('Tobi')
quarky = Quarky()
import random

quarky.cleardisplay()

for x in range(1, 8):
  red = random.randrange(0, 255)
  green = random.randrange(0, 255)
  blue = random.randrange(0, 255)
  
  quarky.setled(x, 1, [red, green, blue], 100)

Output