
from collections.abc import Iterable
from typing import Any




class 				_lowerCamelCase :





     """simple docstring"""







     def __init__(							self						,						__SCREAMING_SNAKE_CASE = None  )  ->   str:




           """simple docstring"""







           UpperCamelCase__    :   Dict					=				value
           UpperCamelCase__    :   Node | None					=				None  # Added in order to delete a node easier
           UpperCamelCase__    :   Node | None					=				None
           UpperCamelCase__    :   Node | None					=				None






     def __repr__(							self  )  ->   str:




           """simple docstring"""







           from pprint import pformat

           if self.left is None and self.right is None:
                 return str(self.value  )
           return pformat({F'''{self.value}''': (self.left, self.right)}						,						indent=1  )




class 				_lowerCamelCase :





     """simple docstring"""







     def __init__(							self						,						__SCREAMING_SNAKE_CASE = None  )  ->   Any:




           """simple docstring"""







           UpperCamelCase__    :   Dict					=				root






     def __str__(							self  )  ->   str:




           """simple docstring"""







           return str(self.root  )






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE						,						__SCREAMING_SNAKE_CASE  )  ->   None:




           """simple docstring"""







           if new_children is not None:  # reset its kids
                 UpperCamelCase__    :   List[str]					=				node.parent
           if node.parent is not None:  # reset its parent
                 if self.is_right(__SCREAMING_SNAKE_CASE  ):  # If it is the right children
                       UpperCamelCase__    :   Dict					=				new_children
                 else:
                       UpperCamelCase__    :   Any					=				new_children
           else:
                 UpperCamelCase__    :   List[str]					=				new_children






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE  )  ->   bool:




           """simple docstring"""







           if node.parent and node.parent.right:
                 return node == node.parent.right
           return False






     def    __SCREAMING_SNAKE_CASE			(							self  )  ->   bool:




           """simple docstring"""







           return self.root is None






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE  )  ->   None:




           """simple docstring"""







           UpperCamelCase__    :   List[Any]					=				Node(__SCREAMING_SNAKE_CASE  )  # create a new Node
           if self.empty():  # if Tree is empty
                 UpperCamelCase__    :   Dict					=				new_node  # set its root
           else:  # Tree is not empty
                 UpperCamelCase__    :   Optional[Any]					=				self.root  # from root
                 if parent_node is None:
                       return
                 while True:  # While we don't get to a leaf
                       if value < parent_node.value:  # We go left
                             if parent_node.left is None:
                                   UpperCamelCase__    :   List[Any]					=				new_node  # We insert the new node in a leaf
                                   break
                             else:
                                   UpperCamelCase__    :   Union[str, Any]					=				parent_node.left
                       else:
                             if parent_node.right is None:
                                   UpperCamelCase__    :   Optional[int]					=				new_node
                                   break
                             else:
                                   UpperCamelCase__    :   Optional[Any]					=				parent_node.right
                 UpperCamelCase__    :   List[str]					=				parent_node






     def    __SCREAMING_SNAKE_CASE			(							self						,						*__SCREAMING_SNAKE_CASE  )  ->   None:




           """simple docstring"""







           for value in values:
                 self.__insert(__SCREAMING_SNAKE_CASE  )






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE  )  ->   Node | None:




           """simple docstring"""







           if self.empty():
                 raise IndexError('''Warning: Tree is empty! please use another.'''  )
           else:
                 UpperCamelCase__    :   Tuple					=				self.root
                 # use lazy evaluation here to avoid NoneType Attribute error
                 while node is not None and node.value is not value:
                       UpperCamelCase__    :   Union[str, Any]					=				node.left if value < node.value else node.right
                 return node






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE = None  )  ->   Node | None:




           """simple docstring"""







           if node is None:
                 if self.root is None:
                       return None
                 UpperCamelCase__    :   str					=				self.root

           if not self.empty():
                 while node.right is not None:
                       UpperCamelCase__    :   int					=				node.right
           return node






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE = None  )  ->   Node | None:




           """simple docstring"""







           if node is None:
                 UpperCamelCase__    :   Tuple					=				self.root
           if self.root is None:
                 return None
           if not self.empty():
                 UpperCamelCase__    :   Union[str, Any]					=				self.root
                 while node.left is not None:
                       UpperCamelCase__    :   Tuple					=				node.left
           return node






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE  )  ->   None:




           """simple docstring"""







           UpperCamelCase__    :   Dict					=				self.search(__SCREAMING_SNAKE_CASE  )  # Look for the node with that label
           if node is not None:
                 if node.left is None and node.right is None:  # If it has no children
                       self.__reassign_nodes(__SCREAMING_SNAKE_CASE						,						__SCREAMING_SNAKE_CASE  )
                 elif node.left is None:  # Has only right children
                       self.__reassign_nodes(__SCREAMING_SNAKE_CASE						,						node.right  )
                 elif node.right is None:  # Has only left children
                       self.__reassign_nodes(__SCREAMING_SNAKE_CASE						,						node.left  )
                 else:
                       UpperCamelCase__    :   int					=				self.get_max(
                           node.left  )  # Gets the max value of the left branch
                       self.remove(tmp_node.value  )  # type: ignore
                       UpperCamelCase__    :   Union[str, Any]					=				(
                           tmp_node.value  # type: ignore
                       )  # Assigns the value to the node to delete and keep tree structure






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE  )  ->   Iterable:




           """simple docstring"""







           if node is not None:
                 yield node  # Preorder Traversal
                 yield from self.preorder_traverse(node.left  )
                 yield from self.preorder_traverse(node.right  )






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE=None  )  ->   Any:




           """simple docstring"""







           if traversal_function is None:
                 return self.preorder_traverse(self.root  )
           else:
                 return traversal_function(self.root  )






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE						,						__SCREAMING_SNAKE_CASE  )  ->   None:




           """simple docstring"""







           if node:
                 self.inorder(__SCREAMING_SNAKE_CASE						,						node.left  )
                 arr.append(node.value  )
                 self.inorder(__SCREAMING_SNAKE_CASE						,						node.right  )






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE						,						__SCREAMING_SNAKE_CASE  )  ->   int:




           """simple docstring"""







           UpperCamelCase__    :   list[int]					=				[]
           self.inorder(__SCREAMING_SNAKE_CASE						,						__SCREAMING_SNAKE_CASE  )  # append all values to list using inorder traversal
           return arr[k - 1]


def 							SCREAMING_SNAKE_CASE_      (			UpperCamelCase__		):
      UpperCamelCase__    :   Union[str, Any]					=				[]
      if curr_node is not None:
            UpperCamelCase__    :   Optional[int]					=				postorder(curr_node.left		) + postorder(curr_node.right		) + [curr_node]
      return node_list


def 							SCREAMING_SNAKE_CASE_      (			):
      UpperCamelCase__    :   List[str]					=				(8, 3, 6, 1, 1_0, 1_4, 1_3, 4, 7)
      UpperCamelCase__    :   List[str]					=				BinarySearchTree()
      for i in testlist:
            t.insert(_lowerCamelCase		)

      # Prints all the elements of the list in order traversal
      print(_lowerCamelCase		)

      if t.search(6		) is not None:
            print('''The value 6 exists'''		)
      else:
            print('''The value 6 doesn\'t exist'''		)

      if t.search(-1		) is not None:
            print('''The value -1 exists'''		)
      else:
            print('''The value -1 doesn\'t exist'''		)

      if not t.empty():
            print('''Max Value: ''' ,		t.get_max().value		)  # type: ignore
            print('''Min Value: ''' ,		t.get_min().value		)  # type: ignore

      for i in testlist:
            t.remove(_lowerCamelCase		)
            print(_lowerCamelCase		)


if __name__ == "__main__":
    import doctest

    doctest.testmod(verbose=True)




import torch

from transformers import AutoModel




class 				_lowerCamelCase (      torch.nn.Module ):





     """simple docstring"""







     def __init__(							self						,						__SCREAMING_SNAKE_CASE="sayef/fsner-bert-base-uncased"  )  ->   Optional[Any]:




           """simple docstring"""







           super(__SCREAMING_SNAKE_CASE						,						self  ).__init__()

           UpperCamelCase__    :   Tuple					=				AutoModel.from_pretrained(__SCREAMING_SNAKE_CASE						,						return_dict=__SCREAMING_SNAKE_CASE  )
           UpperCamelCase__    :   Tuple					=				torch.nn.CosineSimilarity(3						,						1e-08  )
           UpperCamelCase__    :   List[Any]					=				torch.nn.Softmax(dim=1  )






     def    __SCREAMING_SNAKE_CASE			(							self						,						**__SCREAMING_SNAKE_CASE  )  ->   Union[str, Any]:




           """simple docstring"""







           return self.bert(**__SCREAMING_SNAKE_CASE  ).last_hidden_state






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE  )  ->   Dict:




           """simple docstring"""







           return token_embeddings.sum(2						,						keepdim=__SCREAMING_SNAKE_CASE  )






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE						,						__SCREAMING_SNAKE_CASE						,						__SCREAMING_SNAKE_CASE=1  )  ->   str:




           """simple docstring"""







           return self.softmax(T * self.cos(__SCREAMING_SNAKE_CASE						,						__SCREAMING_SNAKE_CASE  )  )






     def    __SCREAMING_SNAKE_CASE			(							self						,						__SCREAMING_SNAKE_CASE						,						__SCREAMING_SNAKE_CASE  )  ->   List[str]:




           """simple docstring"""







           UpperCamelCase__    :   Union[str, Any]					=				W_supports['''sizes'''].tolist()
           UpperCamelCase__    :   Tuple					=				W_supports['''start_token_id'''].item()
           UpperCamelCase__    :   int					=				W_supports['''end_token_id'''].item()

           del W_supports["sizes"]
           del W_supports["start_token_id"]
           del W_supports["end_token_id"]

           UpperCamelCase__    :   Optional[int]					=				self.BERT(**__SCREAMING_SNAKE_CASE  )
           UpperCamelCase__    :   Dict					=				self.BERT(**__SCREAMING_SNAKE_CASE  )

           UpperCamelCase__    :   int					=				None
           UpperCamelCase__    :   Dict					=				None

           UpperCamelCase__    :   Any					=				W_supports['''input_ids'''] == start_token_id
           UpperCamelCase__    :   Optional[int]					=				W_supports['''input_ids'''] == end_token_id

           for i, size in enumerate(__SCREAMING_SNAKE_CASE  ):
                 if i == 0:
                       UpperCamelCase__    :   int					=				0
                 else:
                       UpperCamelCase__    :   Optional[int]					=				support_sizes[i - 1]

                 UpperCamelCase__    :   List[Any]					=				S[s : s + size][start_token_masks[s : s + size]]
                 UpperCamelCase__    :   Optional[Any]					=				S[s : s + size][end_token_masks[s : s + size]]

                 UpperCamelCase__    :   Tuple					=				torch.matmul(q[i]						,						s_start.T  ).sum(1  ).softmax(0  )
                 UpperCamelCase__    :   Optional[Any]					=				torch.matmul(q[i]						,						s_end.T  ).sum(1  ).softmax(0  )

                 if p_starts is not None:
                       UpperCamelCase__    :   Union[str, Any]					=				torch.vstack((p_starts, p_start)  )
                       UpperCamelCase__    :   str					=				torch.vstack((p_ends, p_end)  )
                 else:
                       UpperCamelCase__    :   List[Any]					=				p_start
                       UpperCamelCase__    :   List[str]					=				p_end

           return p_starts, p_ends


