One to generate a "ChangeLightBulb" event to the socket.
Six. One to change it, one to take pictures and four to make t-shirts for the event.
A what?
No one knows. No one ever watches the choir director.
Two. One to screw in the bulb and another to talk about how complicated it was.
Because they use a strongly typed language.
Because they don't C#.
If you know the number, you don't know where the socket is.
Stay grounded.
A fission-chips shop.