code: 
  
  import torch
  
  from transformers import PreTrainedModel
  
  from .custom_configuration import CustomConfig, NoSuperInitConfig
  
  
  class    SCREAMING_SNAKE_CASE__      (__snake_case  ):
      __lowerCamelCase		: Tuple														=  CustomConfig
  
  
  
  
  
      def __init__(   self		,     a):
           super().__init__(a)
           lowercase__					:     str   = torch.nn.Linear(config.hidden_size		,     config.hidden_size)
  
  
  
  
  
      def    snake_case_       (   self		,     a):
           return self.linear(a)
  
  
  
  
  
      def    snake_case_       (   self		,     a):
           pass
  
  
  
  class    SCREAMING_SNAKE_CASE__      (__snake_case  ):
      __lowerCamelCase		: Optional[int]														=  NoSuperInitConfig
  
  
  
  
  
      def __init__(   self		,     a):
           super().__init__(a)
           lowercase__					:     Optional[Any]   = torch.nn.Linear(config.attribute		,     config.attribute)
  
  
  
  
  
      def    snake_case_       (   self		,     a):
           return self.linear(a)
  
  
  
  
  
      def    snake_case_       (   self		,     a):
           pass
  
  
style_context: 
  
  from __future__ import annotations
  
  
  class    SCREAMING_SNAKE_CASE__      :
  
  
  
  
  
      def __init__(   self		,     a = 0):
           lowercase__					:     int   = value
           lowercase__					:     Node | None   = None
           lowercase__					:     Node | None   = None
  
  
  
  def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					Node | None			,  SCREAMING_SNAKE_CASE_	:					Node | None    ):
  
  
  
       '''simple docstring'''
  
  
  
  
  
       if treea is None:
            return treea
       if treea is None:
            return treea
  
       lowercase__					:     Optional[Any]   = treea.value + treea.value
       lowercase__					:     Union[str, Any]   = merge_two_binary_trees(treea.left			,  treea.left    )
       lowercase__					:     Optional[Any]   = merge_two_binary_trees(treea.right			,  treea.right    )
       return treea
  
  def 			snake_case__    (					SCREAMING_SNAKE_CASE_	:					Node | None    ):
  
  
  
       '''simple docstring'''
  
  
  
  
  
       if root:
            print(root.value    )
            print_preorder(root.left    )
            print_preorder(root.right    )
  
  
  if __name__ == "__main__":
         snake_case_    						=				Node(1)
         snake_case_    						=				Node(2)
         snake_case_    						=				Node(3)
         snake_case_    						=				Node(4)
  
         snake_case_    						=				Node(2)
         snake_case_    						=				Node(4)
         snake_case_    						=				Node(6)
         snake_case_    						=				Node(9)
         snake_case_    						=				Node(5)
  
         print('''Tree1 is: ''')
         print_preorder(treea)
         print('''Tree2 is: ''')
         print_preorder(treea)
         snake_case_    						=				merge_two_binary_trees(treea, treea)
         print('''Merged Tree is: ''')
         print_preorder(merged_tree)
  
  