Dan Stromberg drsalists at
Tue Jan 20 01:49:47 CET 2015

On Mon, Jan 19, 2015 at 2:06 PM, Zachary Gilmartin
<zacharygilmartin at> wrote:
> Why aren't there trees in the python standard library?

Trees are kind of specialized datastructures; no one type of tree
solves all tree-related problems suitably well.

I think probably the most common need for a tree is implementing a
cache, but most times you're tempted to sort inside a loop you're
better off with a tree.

I've put some time into python trees; most of them are on pypi and at:


More information about the Python-list mailing list