



"""simple docstring"""





from __future__ import annotations
class  lowercase__  :







       '''simple docstring'''


       def __init__(				self     :    List[str]						,							_UpperCAmelCase     :    int       )					->		None:


             '''simple docstring'''




             UpperCAmelCase_     					=				data
             UpperCAmelCase_     					=				None
             UpperCAmelCase_     					=				None



def   a__      ( lowerCAmelCase__ ):  # In Order traversal of the tree
      if tree:
            display(tree.left )
            print(tree.data )
            display(tree.right )
def   a__      ( lowerCAmelCase__ ):
      return 1 + max(depth_of_tree(tree.left )      ,     depth_of_tree(tree.right ) ) if tree else 0
def   a__      ( lowerCAmelCase__ ):
      if not tree:
            return True
      if tree.left and tree.right:
            return is_full_binary_tree(tree.left ) and is_full_binary_tree(tree.right )
      else:
            return not tree.left and not tree.right
def   a__      ( ):  # Main function for testing.
      UpperCAmelCase_     					=				Node(1 )
      UpperCAmelCase_     					=				Node(2 )
      UpperCAmelCase_     					=				Node(3 )
      UpperCAmelCase_     					=				Node(4 )
      UpperCAmelCase_     					=				Node(5 )
      UpperCAmelCase_     					=				Node(6 )
      UpperCAmelCase_     					=				Node(7 )
      UpperCAmelCase_     					=				Node(8 )
      UpperCAmelCase_     					=				Node(9 )

      print(is_full_binary_tree(lowerCAmelCase__ ) )
      print(depth_of_tree(lowerCAmelCase__ ) )
      print("Tree is: " )
      display(lowerCAmelCase__ )


if __name__ == "__main__":
  main()






"""simple docstring"""

from __future__ import annotations

from collections.abc import Iterator
class   _UpperCAmelCase				:




      def __init__(				self ,							lowercase_				)    ->       None:
          UpperCAmelCase          =       value
          UpperCAmelCase          =       None
          UpperCAmelCase          =       None

class   _UpperCAmelCase				:




      def __init__(				self ,							lowercase_				)    ->       None:
          UpperCAmelCase          =       tree




      def      a_   (				self ,							lowercase_				)    ->       int:
          if node is None:
              return 0
          return node.value + (
              self.depth_first_search(node.left				) + self.depth_first_search(node.right				)
          )




      def __iter__(				self				)    ->       Iterator[int]:
          yield self.depth_first_search(self.tree				)


if __name__ == "__main__":
   import doctest

   doctest.testmod()



