Load python dictionary as tree

load_tree.py

class Node:
    def __init__(self, title: str, parent: "Node" = None):
        self.title = title
        self.parent = parent
        self.children = []
        
        # append self as children of a parent
        if parent:
            self.parent.children.append(self)
            
    def __repr__(self):
        return self.title

data = {
   'Location':[
      {
         'Vrindavan':[
            'Temple'
         ]
      }
   ],
   'Persons':[
      'Krishna-lila',
      'Goura-lila'
   ],
   'Story':[
      {
         'Krishna-lila':[
            'Demons',
            'Devotees'
         ]
      },
      'Goura-lila',
      'Prabhupada'
   ]
}

def build_tree(node, root):    
    if isinstance(node, str):
        child_node = Node(node, root)
    if isinstance(node, list):
        for i in node:
            build_tree(i, root)
    if isinstance(node, dict):
        for k, v in node.items():
            child_node = Node(k, root)
            build_tree(v, child_node)

root_node = Node("Root")
build_tree(data, root_node)

def render_tree(node, level = 0):
    print(" " * level * 2, node.title)
    for child in node.children:
        render_tree(child, level+1)

render_tree(root_node)

output.txt

 Root
   Location
     Vrindavan
       Temple
   Persons
     Krishna-lila
     Goura-lila
   Story
     Krishna-lila
       Demons
       Devotees
     Goura-lila
     Prabhupada