Online Treelib Compiler

Code, compile, and run Treelib programs online. Write your code in this editor and click the "Run" button to execute it.

Code
from treelib import Node, Tree
from treelib.exceptions import DuplicatedNodeIdError
from collections.abc import Sized as root

tree = Tree()

def add_to_tree(node, parent=None):
    tree.create_node(node.__name__, id(node), parent=parent)
    subclasses = node.__subclasses__()
    for sc in subclasses:
        try:
            add_to_tree(sc, parent=id(node))
        except DuplicatedNodeIdError:
            pass

add_to_tree(root)
tree.show()