from typing import Any





class 					A							:


   def __init__(self					:						List[str]	,  __UpperCAmelCase					:						Any		)						->    List[str]:
         """simple docstring"""



         UpperCAmelCase__								=  data
         UpperCAmelCase__								=  None





   def __repr__(self					:						List[str]		)						->    str:
         """simple docstring"""



         return f"""Node({self.data})"""





class 					A							:


   def __init__(self					:						Optional[Any]		)						->    Optional[int]:
         """simple docstring"""



         UpperCAmelCase__								=  None


   def __iter__(self					:						int		)						->    Any:
         """simple docstring"""



         UpperCAmelCase__								=  self.head
         while node:
               yield node.data
               UpperCAmelCase__								=  node.next


   def __len__(self					:						Tuple		)						->    int:
         """simple docstring"""



         return sum(1 for _ in self		)


   def __repr__(self					:						Tuple		)						->    str:
         """simple docstring"""



         return "->".join([str(__UpperCAmelCase		) for item in self]		)


   def __getitem__(self					:						List[Any]	,  __UpperCAmelCase					:						int		)						->    Any:
         """simple docstring"""



         if not 0 <= index < len(self		):
               raise ValueError("list index out of range."		)
         for i, node in enumerate(self		):
               if i == index:
                     return node
         return None


   def __setitem__(self					:						Tuple	,  __UpperCAmelCase					:						int	,  __UpperCAmelCase					:						Any		)						->    None:
         """simple docstring"""



         if not 0 <= index < len(self		):
               raise ValueError("list index out of range."		)
         UpperCAmelCase__								=  self.head
         for _ in range(__UpperCAmelCase		):
               UpperCAmelCase__								=  current.next
         UpperCAmelCase__								=  data


   def       lowercase_				(self					:						Any	,  __UpperCAmelCase					:						Any		)						->    None:
         """simple docstring"""



         self.insert_nth(len(self		)	,  __UpperCAmelCase		)


   def       lowercase_				(self					:						Optional[Any]	,  __UpperCAmelCase					:						Any		)						->    None:
         """simple docstring"""



         self.insert_nth(0	,  __UpperCAmelCase		)


   def       lowercase_				(self					:						Any	,  __UpperCAmelCase					:						int	,  __UpperCAmelCase					:						Any		)						->    None:
         """simple docstring"""



         if not 0 <= index <= len(self		):
               raise IndexError("list index out of range"		)
         UpperCAmelCase__								=  Node(__UpperCAmelCase		)
         if self.head is None:
               UpperCAmelCase__								=  new_node
         elif index == 0:
               UpperCAmelCase__								=  self.head  # link new_node to head
               UpperCAmelCase__								=  new_node
         else:
               UpperCAmelCase__								=  self.head
               for _ in range(index - 1		):
                     UpperCAmelCase__								=  temp.next
               UpperCAmelCase__								=  temp.next
               UpperCAmelCase__								=  new_node


   def       lowercase_				(self					:						List[str]		)						->    None:  # print every node data
         """simple docstring"""



         print(self		)


   def       lowercase_				(self					:						List[Any]		)						->    Any:
         """simple docstring"""



         return self.delete_nth(0		)


   def       lowercase_				(self					:						Dict		)						->    Any:  # delete from tail
         """simple docstring"""



         return self.delete_nth(len(self		) - 1		)


   def       lowercase_				(self					:						Dict	,  __UpperCAmelCase					:						int = 0		)						->    Any:
         """simple docstring"""



         if not 0 <= index <= len(self		) - 1:  # test if index is valid
               raise IndexError("List index out of range."		)
         UpperCAmelCase__								=  self.head  # default first node
         if index == 0:
               UpperCAmelCase__								=  self.head.next
         else:
               UpperCAmelCase__								=  self.head
               for _ in range(index - 1		):
                     UpperCAmelCase__								=  temp.next
               UpperCAmelCase__								=  temp.next
               UpperCAmelCase__								=  temp.next.next
         return delete_node.data


   def       lowercase_				(self					:						List[str]		)						->    bool:
         """simple docstring"""



         return self.head is None





   def       lowercase_				(self					:						Tuple		)						->    None:
         """simple docstring"""



         UpperCAmelCase__								=  None
         UpperCAmelCase__								=  self.head

         while current:
               # Store the current node's next node.
               UpperCAmelCase__								=  current.next
               # Make the current node's next point backwards
               UpperCAmelCase__								=  prev
               # Make the previous node be the current node
               UpperCAmelCase__								=  current
               # Make the current node the next node (to progress iteration)
               UpperCAmelCase__								=  next_node
         # Return prev in order to put the head at the end
         UpperCAmelCase__								=  prev




def        lowerCAmelCase_			(					)					->    None:







      '''simple docstring'''


      UpperCAmelCase__								=  LinkedList()
      assert linked_list.is_empty() is True
      assert str(__A							) == ""

      try:
            linked_list.delete_head()
            raise AssertionError  # This should not happen.
      except IndexError:
            assert True  # This should happen.

      try:
            linked_list.delete_tail()
            raise AssertionError  # This should not happen.
      except IndexError:
            assert True  # This should happen.

      for i in range(10							):
            assert len(__A							) == i
            linked_list.insert_nth(__A,  i + 1							)
      assert str(__A							) == "->".join(str(__A							) for i in range(1,  11							)							)

      linked_list.insert_head(0							)
      linked_list.insert_tail(11							)
      assert str(__A							) == "->".join(str(__A							) for i in range(0,  12							)							)

      assert linked_list.delete_head() == 0
      assert linked_list.delete_nth(9							) == 10
      assert linked_list.delete_tail() == 11
      assert len(__A							) == 9
      assert str(__A							) == "->".join(str(__A							) for i in range(1,  10							)							)

      assert all(linked_list[i] == i + 1 for i in range(0,  9							)							) is True

      for i in range(0,  9							):
            UpperCAmelCase__								=  -i
      assert all(linked_list[i] == -i for i in range(0,  9							)							) is True

      linked_list.reverse()
      assert str(__A							) == "->".join(str(__A							) for i in range(-8,  1							)							)




def        lowerCAmelCase_			(					)					->    None:







      '''simple docstring'''


      UpperCAmelCase__								=  [
          -9,
          100,
          Node(77_345_112							),
          "dlrow olleH",
          7,
          5_555,
          0,
          -192.55555,
          "Hello, world!",
          77.9,
          Node(10							),
          None,
          None,
          12.20,
      ]
      UpperCAmelCase__								=  LinkedList()

      for i in test_input:
            linked_list.insert_tail(__A							)

      # Check if it's empty or not
      assert linked_list.is_empty() is False
      assert (
          str(__A							) == "-9->100->Node(77345112)->dlrow olleH->7->5555->0->"
          "-192.55555->Hello, world!->77.9->Node(10)->None->None->12.2"
      )

      # Delete the head
      UpperCAmelCase__								=  linked_list.delete_head()
      assert result == -9
      assert (
          str(__A							) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
          "Hello, world!->77.9->Node(10)->None->None->12.2"
      )

      # Delete the tail
      UpperCAmelCase__								=  linked_list.delete_tail()
      assert result == 12.2
      assert (
          str(__A							) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
          "Hello, world!->77.9->Node(10)->None->None"
      )

      # Delete a node in specific location in linked list
      UpperCAmelCase__								=  linked_list.delete_nth(10							)
      assert result is None
      assert (
          str(__A							) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
          "Hello, world!->77.9->Node(10)->None"
      )

      # Add a Node instance to its head
      linked_list.insert_head(Node("Hello again, world!"							)							)
      assert (
          str(__A							)
          == "Node(Hello again, world!)->100->Node(77345112)->dlrow olleH->"
          "7->5555->0->-192.55555->Hello, world!->77.9->Node(10)->None"
      )

      # Add None to its tail
      linked_list.insert_tail(__A							)
      assert (
          str(__A							)
          == "Node(Hello again, world!)->100->Node(77345112)->dlrow olleH->"
          "7->5555->0->-192.55555->Hello, world!->77.9->Node(10)->None->None"
      )

      # Reverse the linked list
      linked_list.reverse()
      assert (
          str(__A							)
          == "None->None->Node(10)->77.9->Hello, world!->-192.55555->0->5555->"
          "7->dlrow olleH->Node(77345112)->100->Node(Hello again, world!)"
      )




def        lowerCAmelCase_			(					)					->    Tuple:







      '''simple docstring'''


      from doctest import testmod

      testmod()

      UpperCAmelCase__								=  LinkedList()
      linked_list.insert_head(input("Inserting 1st at head "							).strip()							)
      linked_list.insert_head(input("Inserting 2nd at head "							).strip()							)
      print("\nPrint list:"							)
      linked_list.print_list()
      linked_list.insert_tail(input("\nInserting 1st at tail "							).strip()							)
      linked_list.insert_tail(input("Inserting 2nd at tail "							).strip()							)
      print("\nPrint list:"							)
      linked_list.print_list()
      print("\nDelete head"							)
      linked_list.delete_head()
      print("Delete tail"							)
      linked_list.delete_tail()
      print("\nPrint list:"							)
      linked_list.print_list()
      print("\nReverse linked list"							)
      linked_list.reverse()
      print("\nPrint list:"							)
      linked_list.print_list()
      print("\nString representation of linked list:"							)
      print(__A							)
      print("\nReading/changing Node data using indexing:"							)
      print(f"""Element at Position 1: {linked_list[1]}"""							)
      UpperCAmelCase__								=  input("Enter New Value: "							).strip()
      print("New list:"							)
      print(__A							)
      print(f"""length of linked_list is : {len(__A							)}"""							)


if __name__ == "__main__":
      main()




# Copyright 2023 The HuggingFace Inc. team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import torch

from ..models.auto import AutoModelForSequenceClassification, AutoTokenizer
from .base import PipelineTool





class 					A							(    UpperCAmelCase_					):
   __UpperCAmelCase			:			List[Any]              =      'facebook/bart-large-mnli'
   __UpperCAmelCase			:			Optional[Any]              =      (
       'This is a tool that classifies an English text using provided labels. It takes two inputs: `text`, which '
       'should be the text to classify, and `labels`, which should be the list of labels to use for classification. '
       'It returns the most likely label in the list of provided `labels` for the input text.'
   )
   __UpperCAmelCase			:			Optional[int]              =      'text_classifier'
   __UpperCAmelCase			:			int              =      AutoTokenizer
   __UpperCAmelCase			:			Dict              =      AutoModelForSequenceClassification

   __UpperCAmelCase			:			int              =      ['text', ['text']]
   __UpperCAmelCase			:			Optional[int]              =      ['text']


   def       lowercase_				(self					:						List[Any]		)						->    List[str]:
         """simple docstring"""



         super().setup()
         UpperCAmelCase__								=  self.model.config
         UpperCAmelCase__								=  -1
         for idx, label in config.idalabel.items():
               if label.lower().startswith("entail"		):
                     UpperCAmelCase__								=  int(__UpperCAmelCase		)
         if self.entailment_id == -1:
               raise ValueError("Could not determine the entailment ID from the model config, please pass it at init."		)


   def       lowercase_				(self					:						Union[str, Any]	,  __UpperCAmelCase					:						Dict	,  __UpperCAmelCase					:						int		)						->    Optional[int]:
         """simple docstring"""



         UpperCAmelCase__								=  labels
         return self.pre_processor(
             [text] * len(__UpperCAmelCase		)	,  [f"""This example is {label}""" for label in labels]	,  return_tensors="pt"	,  padding="max_length"	,  )





   def       lowercase_				(self					:						Dict	,  __UpperCAmelCase					:						Tuple		)						->    int:
         """simple docstring"""



         UpperCAmelCase__								=  outputs.logits
         UpperCAmelCase__								=  torch.argmax(logits[:, 2]		).item()
         return self._labels[label_id]



