code: def brightness(level=100, group=0):
      
      if level not in range(0,101):
          raise Exception("Brightness must be value between 0 and 100")
      b = int(floor(level / 10.0)) #lights have 10 levels of brightness
      commands = list(darkest(group))
      for i in range(0, b):
          commands.append(COMMANDS['BRIGHTER'])
      return tuple(commands)
docs: Assumes level is out of 100