Can somebody give me a python code for this?

[John]

I solved it myself.
Don't bother.

"John" <ruan at jcmills.com> wrote in message 
news:eqd8hr$44dn$1 at netnews.upenn.edu...
> Given an array of elements, look at it as a binary tree. Start at the last 
> interior node, and downheap it. Then downheap the previous interior node, 
> and continue in this fashion, up to the root.
>