class Program
{
    double level;

    public void BrainPadSetup()
    {
      level = 0;
    }

    public void BrainPadLoop()
    {
        level = BrainPad.LightSensor.ReadLightLevel();
        BrainPad.WriteDebugMessage(level);
        if (level<0.5)
        {
            BrainPad.LightBulb.TurnOn();
        }
        else
        {
           BrainPad.LightBulb.TurnOff();
        }
    }
}