




'''simple docstring'''







from __future__ import annotations

import math
import random
from typing import Any







class 					_a :





     '''simple docstring'''



     def __init__(				self							)      ->				None:
          snake_case			:      list[Any]        =			[]
          snake_case			:      int        =			0
          snake_case			:      int        =			0







     def 			snake_case_      (				self							)      ->				bool:
          return self.head == self.tail







     def 			snake_case_      (				self							,__a							)      ->				None:
          self.data.append(__a							)
          snake_case			:      Tuple        =			self.tail + 1







     def 			snake_case_      (				self							)      ->				Any:
          snake_case			:      Tuple        =			self.data[self.head]
          snake_case			:      Dict        =			self.head + 1
          return ret







     def 			snake_case_      (				self							)      ->				int:
          return self.tail - self.head







     def 			snake_case_      (				self							)      ->				None:
          print(self.data							)
          print("""**************"""							)
          print(self.data[self.head : self.tail]							)







class 					_a :





     '''simple docstring'''



     def __init__(				self							,__a							)      ->				None:
          snake_case			:      List[Any]        =			data
          snake_case			:      MyNode | None        =			None
          snake_case			:      MyNode | None        =			None
          snake_case			:      int        =			1







     def 			snake_case_      (				self							)      ->				Any:
          return self.data







     def 			snake_case_      (				self							)      ->				MyNode | None:
          return self.left







     def 			snake_case_      (				self							)      ->				MyNode | None:
          return self.right







     def 			snake_case_      (				self							)      ->				int:
          return self.height







     def 			snake_case_      (				self							,__a							)      ->				None:
          snake_case			:      Any        =			data







     def 			snake_case_      (				self							,__a							)      ->				None:
          snake_case			:      Union[str, Any]        =			node







     def 			snake_case_      (				self							,__a							)      ->				None:
          snake_case			:      str        =			node







     def 			snake_case_      (				self							,__a							)      ->				None:
          snake_case			:      Tuple        =			height



def        lowerCamelCase__				(      __lowercase				):
     if node is None:
          return 0
     return node.get_height()



def        lowerCamelCase__				(      __lowercase     ,   __lowercase				):
     if a > b:
          return a
     return b



def        lowerCamelCase__				(      __lowercase				):
     print("""left rotation node:"""     ,   node.get_data()				)
     snake_case			:      Union[str, Any]        =			node.get_left()
     assert ret is not None
     node.set_left(ret.get_right()				)
     ret.set_right(__lowercase				)
     snake_case			:      Dict        =			my_max(get_height(node.get_right()				)     ,   get_height(node.get_left()				)				) + 1
     node.set_height(__lowercase				)
     snake_case			:      int        =			my_max(get_height(ret.get_right()				)     ,   get_height(ret.get_left()				)				) + 1
     ret.set_height(__lowercase				)
     return ret



def        lowerCamelCase__				(      __lowercase				):
     print("""right rotation node:"""     ,   node.get_data()				)
     snake_case			:      Optional[int]        =			node.get_right()
     assert ret is not None
     node.set_right(ret.get_left()				)
     ret.set_left(__lowercase				)
     snake_case			:      Any        =			my_max(get_height(node.get_right()				)     ,   get_height(node.get_left()				)				) + 1
     node.set_height(__lowercase				)
     snake_case			:      Dict        =			my_max(get_height(ret.get_right()				)     ,   get_height(ret.get_left()				)				) + 1
     ret.set_height(__lowercase				)
     return ret



def        lowerCamelCase__				(      __lowercase				):
     snake_case			:      str        =			node.get_left()
     assert left_child is not None
     node.set_left(left_rotation(__lowercase				)				)
     return right_rotation(__lowercase				)



def        lowerCamelCase__				(      __lowercase				):
     snake_case			:      Tuple        =			node.get_right()
     assert right_child is not None
     node.set_right(right_rotation(__lowercase				)				)
     return left_rotation(__lowercase				)



def        lowerCamelCase__				(      __lowercase     ,   __lowercase				):
     if node is None:
          return MyNode(__lowercase				)
     if data < node.get_data():
          node.set_left(insert_node(node.get_left()     ,   __lowercase				)				)
          if (
              get_height(node.get_left()				) - get_height(node.get_right()				) == 2
          ):  # an unbalance detected
               snake_case			:      Optional[Any]        =			node.get_left()
               assert left_child is not None
               if (
                   data < left_child.get_data()
               ):  # new node is the left child of the left child
                    snake_case			:      Optional[int]        =			right_rotation(__lowercase				)
               else:
                    snake_case			:      Optional[Any]        =			lr_rotation(__lowercase				)
     else:
          node.set_right(insert_node(node.get_right()     ,   __lowercase				)				)
          if get_height(node.get_right()				) - get_height(node.get_left()				) == 2:
               snake_case			:      Optional[int]        =			node.get_right()
               assert right_child is not None
               if data < right_child.get_data():
                    snake_case			:      Optional[Any]        =			rl_rotation(__lowercase				)
               else:
                    snake_case			:      Union[str, Any]        =			left_rotation(__lowercase				)
     snake_case			:      Optional[Any]        =			my_max(get_height(node.get_right()				)     ,   get_height(node.get_left()				)				) + 1
     node.set_height(__lowercase				)
     return node



def        lowerCamelCase__				(      __lowercase				):
     while True:
          snake_case			:      int        =			root.get_right()
          if right_child is None:
               break
          snake_case			:      str        =			right_child
     return root.get_data()



def        lowerCamelCase__				(      __lowercase				):
     while True:
          snake_case			:      Optional[int]        =			root.get_left()
          if left_child is None:
               break
          snake_case			:      Dict        =			left_child
     return root.get_data()



def        lowerCamelCase__				(      __lowercase     ,   __lowercase				):
     snake_case			:      List[Any]        =			root.get_left()
     snake_case			:      Union[str, Any]        =			root.get_right()
     if root.get_data() == data:
          if left_child is not None and right_child is not None:
               snake_case			:      List[str]        =			get_left_most(__lowercase				)
               root.set_data(__lowercase				)
               root.set_right(del_node(__lowercase     ,   __lowercase				)				)
          elif left_child is not None:
               snake_case			:      List[str]        =			left_child
          elif right_child is not None:
               snake_case			:      List[Any]        =			right_child
          else:
               return None
     elif root.get_data() > data:
          if left_child is None:
               print("""No such data"""				)
               return root
          else:
               root.set_left(del_node(__lowercase     ,   __lowercase				)				)
     else:  # root.get_data() < data
          if right_child is None:
               return root
          else:
               root.set_right(del_node(__lowercase     ,   __lowercase				)				)

     if get_height(__lowercase				) - get_height(__lowercase				) == 2:
          assert right_child is not None
          if get_height(right_child.get_right()				) > get_height(right_child.get_left()				):
               snake_case			:      Any        =			left_rotation(__lowercase				)
          else:
               snake_case			:      Dict        =			rl_rotation(__lowercase				)
     elif get_height(__lowercase				) - get_height(__lowercase				) == -2:
          assert left_child is not None
          if get_height(left_child.get_left()				) > get_height(left_child.get_right()				):
               snake_case			:      Optional[int]        =			right_rotation(__lowercase				)
          else:
               snake_case			:      str        =			lr_rotation(__lowercase				)
     snake_case			:      Any        =			my_max(get_height(root.get_right()				)     ,   get_height(root.get_left()				)				) + 1
     root.set_height(__lowercase				)
     return root







class 					_a :





     '''simple docstring'''



     def __init__(				self							)      ->				None:
          snake_case			:      MyNode | None        =			None







     def 			snake_case_      (				self							)      ->				int:
          return get_height(self.root							)







     def 			snake_case_      (				self							,__a							)      ->				None:
          print("""insert:""" + str(__a							)							)
          snake_case			:      List[Any]        =			insert_node(self.root							,__a							)







     def 			snake_case_      (				self							,__a							)      ->				None:
          print("""delete:""" + str(__a							)							)
          if self.root is None:
               print("""Tree is empty!"""							)
               return
          snake_case			:      List[Any]        =			del_node(self.root							,__a							)







     def __str__(				self							,)      ->				str:  # a level traversale, gives a more intuitive look on the tree
          snake_case			:      Optional[Any]        =			""""""
          snake_case			:      List[str]        =			MyQueue()
          q.push(self.root							)
          snake_case			:      Dict        =			self.get_height()
          if layer == 0:
               return output
          snake_case			:      Dict        =			0
          while not q.is_empty():
               snake_case			:      List[Any]        =			q.pop()
               snake_case			:      Dict        =			""" """ * int(math.pow(2							,layer - 1							)							)
               output += space
               if node is None:
                    output += "*"
                    q.push(__a							)
                    q.push(__a							)
               else:
                    output += str(node.get_data()							)
                    q.push(node.get_left()							)
                    q.push(node.get_right()							)
               output += space
               snake_case			:      Any        =			cnt + 1
               for i in range(100							):
                    if cnt == math.pow(2							,__a							) - 1:
                         snake_case			:      Union[str, Any]        =			layer - 1
                         if layer == 0:
                              output += "\n*************************************"
                              return output
                         output += "\n"
                         break
          output += "\n*************************************"
          return output



def        lowerCamelCase__				(      ):
     import doctest

     doctest.testmod()


if __name__ == "__main__":
      _test()
      lowercase      :   int      =       AVLtree()
      lowercase      :   List[Any]      =       list(range(10))
      random.shuffle(lst)
      for i in lst:
            t.insert(i)
            print(str(t))
      random.shuffle(lst)
      for i in lst:
            t.del_node(i)
            print(str(t))









'''simple docstring'''







from ...configuration_utils import PretrainedConfig
from ...utils import logging


lowercase      :   Optional[int]      =       logging.get_logger(__name__)

lowercase      :   Optional[Any]      =       {
    """google/pegasus-large""": """https://huggingface.co/google/pegasus-large/resolve/main/config.json""",
    # See all PEGASUS models at https://huggingface.co/models?filter=pegasus
}







class 					_a (a__	):





     '''simple docstring'''



     lowerCAmelCase_  :     Any          =					"""pegasus"""
     lowerCAmelCase_  :     Dict          =					["""past_key_values"""]
     lowerCAmelCase_  :     str          =					{"""num_attention_heads""": """encoder_attention_heads""", """hidden_size""": """d_model"""}







     def __init__(				self							,__a=50_265							,__a=1_024							,__a=12							,__a=4_096							,__a=16							,__a=12							,__a=4_096							,__a=16							,__a=0.0							,__a=0.0							,__a=True							,__a=True							,__a="gelu"							,__a=1_024							,__a=0.1							,__a=0.0							,__a=0.0							,__a=0.02							,__a=0							,__a=False							,__a=0							,__a=1							,__a=1							,**__a							,)      ->				int:
          snake_case			:      List[Any]        =			vocab_size
          snake_case			:      Optional[Any]        =			max_position_embeddings
          snake_case			:      List[Any]        =			d_model
          snake_case			:      str        =			encoder_ffn_dim
          snake_case			:      List[Any]        =			encoder_layers
          snake_case			:      Optional[Any]        =			encoder_attention_heads
          snake_case			:      Union[str, Any]        =			decoder_ffn_dim
          snake_case			:      Tuple        =			decoder_layers
          snake_case			:      Union[str, Any]        =			decoder_attention_heads
          snake_case			:      Union[str, Any]        =			dropout
          snake_case			:      int        =			attention_dropout
          snake_case			:      int        =			activation_dropout
          snake_case			:      Optional[Any]        =			activation_function
          snake_case			:      Tuple        =			init_std
          snake_case			:      Union[str, Any]        =			encoder_layerdrop
          snake_case			:      int        =			decoder_layerdrop
          snake_case			:      Dict        =			use_cache
          snake_case			:      Dict        =			encoder_layers
          snake_case			:      List[Any]        =			scale_embedding  # scale factor will be sqrt(d_model) if True
          super().__init__(
              pad_token_id=__a							,eos_token_id=__a							,is_encoder_decoder=__a							,decoder_start_token_id=__a							,forced_eos_token_id=__a							,**__a							,)







     @property
     def 			snake_case_      (				self							)      ->				int:
          return self.encoder_attention_heads







     @property
     def 			snake_case_      (				self							)      ->				int:
          return self.d_model



