1 00:00:04,719 --> 00:00:14,960 So with the code, we made a drawing here so it will have a light bulb turn off when there's 2 00:00:14,960 --> 00:00:15,960 no energy. 3 00:00:15,960 --> 00:00:23,500 And when we turn it on, it will appear the light bulb turn on.