Two - One to put it most of the way in, and one to give it an interesting twist at the end.
I don't care. You pick
A: Three. One to screw it in and two more to hold down the editor.
You're still thinking procedurally! A properly designed light bulb object would inherit a change method from a generic light bulb class!"
Just one she hokds the blub and the world revolves around her.
Take the 's' out of "sub" and the 'f' out of "way"
They are four ways you can lose your house!
That's the end of me!"
It's raining Ken, hallelujah....
Two: one to get it 95% done, and the second to give it the twist at the end.