BinaryTree class does not have adding-node functions

[quocdat32461997]

In tree.py, the BinaryTree class does not have functions which add nodes or delete nodes. There are only getting data functions only.
If there is no special purposes for leaving the BinaryTree class without adding-node class, I will add adding-node functions the class.

[OmkarPathak]

Yeah, that would be fine.. You can send PR for that! Thank You 😄

[OmkarPathak]

I think we have addressed this issue. So I am closing this 😄