Can you whistle?

[BoomThunda]

I've been watching a lot of Scrubs lately, and now I want to learn how to whistle. I want to learn a 1-handed style, so if any of you can do it, please give me some pointers.

[hobokiller10]

"It's easy, just put your lips together!"

Reminded me of the song, sorry. But yea, I know how to whistle. Not that hard.