Tree implementation in python: simple to use for you.

sudo easy_install -U treelib

For installation, APIs and examples, see https://treelib.readthedocs.io/en/latest/

Before version 1.3.0: GPL
After that: Apache

Brett Alistair Kromkamp ([email protected]): Basic framework finished.
Xiaming Chen ([email protected]): For reasearch utility, I finish main parts and make the library freely public.
Holger Bast ([email protected]): Replaces list with dict for nodes indexing and improves the performance to a large extend.
Ilya Kuprik ([email protected]): Added ZIGZAG tree-walk mode to function tree_expand()