


class 							lowercase__:






      '''simple docstring'''







      def __init__(		self   ,			__SCREAMING_SNAKE_CASE)					->						Optional[int]:







         """simple docstring"""







         UpperCamelCase__ :			List[Any] 						=data
         UpperCamelCase__ :			Any 						=None
         UpperCamelCase__ :			Optional[int] 						=None




      def __str__(		self)					->						Optional[int]:







         """simple docstring"""







         return F'''{self.data}'''




class 							lowercase__:






      '''simple docstring'''







      def __init__(		self)					->						List[str]:







         """simple docstring"""







         UpperCamelCase__ :			Optional[int] 						=None
         UpperCamelCase__ :			Optional[Any] 						=None




      def __iter__(		self)					->						List[Any]:







         """simple docstring"""







         UpperCamelCase__ :			List[Any] 						=self.head
         while node:
            yield node.data
            UpperCamelCase__ :			int 						=node.next




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







         """simple docstring"""







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




      def __len__(		self)					->						Any:







         """simple docstring"""







         return sum(1 for _ in self)




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







         """simple docstring"""







         self.insert_at_nth(0   ,			__SCREAMING_SNAKE_CASE)




      def    UpperCAmelCase							(		self   ,			__SCREAMING_SNAKE_CASE)					->						Optional[int]:







         """simple docstring"""







         self.insert_at_nth(len(self)   ,			__SCREAMING_SNAKE_CASE)




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







         """simple docstring"""







         UpperCamelCase__ :			Any 						=len(self)

         if not 0 <= index <= length:
            raise IndexError("list index out of range")
         UpperCamelCase__ :			List[Any] 						=Node(__SCREAMING_SNAKE_CASE)
         if self.head is None:
            UpperCamelCase__ :			Optional[int] 						=new_node
         elif index == 0:
            UpperCamelCase__ :			Dict 						=new_node
            UpperCamelCase__ :			Optional[int] 						=self.head
            UpperCamelCase__ :			Union[str, Any] 						=new_node
         elif index == length:
            UpperCamelCase__ :			str 						=new_node
            UpperCamelCase__ :			int 						=self.tail
            UpperCamelCase__ :			List[Any] 						=new_node
         else:
            UpperCamelCase__ :			int 						=self.head
            for _ in range(0   ,			__SCREAMING_SNAKE_CASE):
               UpperCamelCase__ :			Union[str, Any] 						=temp.next
            UpperCamelCase__ :			int 						=new_node
            UpperCamelCase__ :			Optional[int] 						=temp.previous
            UpperCamelCase__ :			Tuple 						=temp
            UpperCamelCase__ :			Tuple 						=new_node




      def    UpperCAmelCase							(		self)					->						List[str]:







         """simple docstring"""







         return self.delete_at_nth(0)




      def    UpperCAmelCase							(		self)					->						str:







         """simple docstring"""







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




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







         """simple docstring"""







         UpperCamelCase__ :			List[str] 						=len(self)

         if not 0 <= index <= length - 1:
            raise IndexError("list index out of range")
         UpperCamelCase__ :			int 						=self.head  # default first node
         if length == 1:
            UpperCamelCase__ :			List[Any] 						=None
         elif index == 0:
            UpperCamelCase__ :			List[Any] 						=self.head.next
            UpperCamelCase__ :			Optional[int] 						=None
         elif index == length - 1:
            UpperCamelCase__ :			Tuple 						=self.tail
            UpperCamelCase__ :			int 						=self.tail.previous
            UpperCamelCase__ :			List[Any] 						=None
         else:
            UpperCamelCase__ :			str 						=self.head
            for _ in range(0   ,			__SCREAMING_SNAKE_CASE):
               UpperCamelCase__ :			int 						=temp.next
            UpperCamelCase__ :			str 						=temp
            UpperCamelCase__ :			List[Any] 						=temp.previous
            UpperCamelCase__ :			Dict 						=temp.next
         return delete_node.data




      def    UpperCAmelCase							(		self   ,			__SCREAMING_SNAKE_CASE)					->						str:







         """simple docstring"""







         UpperCamelCase__ :			Tuple 						=self.head

         while current.data != data:  # Find the position to delete
            if current.next:
               UpperCamelCase__ :			List[Any] 						=current.next
            else:  # We have reached the end an no value matches
               raise ValueError("No data matching given value")

         if current == self.head:
            self.delete_head()

         elif current == self.tail:
            self.delete_tail()

         else:  # Before: 1 <--> 2(current) <--> 3
            UpperCamelCase__ :			List[Any] 						=current.next  # 1 --> 3
            UpperCamelCase__ :			Any 						=current.previous  # 1 <--> 3
         return data




      def    UpperCAmelCase							(		self)					->						Dict:







         """simple docstring"""







         return len(self) == 0




def 	_lowerCamelCase  (		)			->			None:

   '''simple docstring'''






   UpperCamelCase__ :			Optional[Any] 						=DoublyLinkedList()
   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(1_0      ):
      assert len(A_      ) == i
      linked_list.insert_at_nth(A_							,  i + 1      )
   assert str(A_      ) == "->".join(str(A_      ) for i in range(1							,  1_1      )      )

   linked_list.insert_at_head(0      )
   linked_list.insert_at_tail(1_1      )
   assert str(A_      ) == "->".join(str(A_      ) for i in range(0							,  1_2      )      )

   assert linked_list.delete_head() == 0
   assert linked_list.delete_at_nth(9      ) == 1_0
   assert linked_list.delete_tail() == 1_1
   assert len(A_      ) == 9
   assert str(A_      ) == "->".join(str(A_      ) for i in range(1							,  1_0      )      )


if __name__ == "__main__":
     from doctest import testmod

     testmod()





from arguments import TokenizerTrainingArguments
from datasets import load_dataset
from tqdm import tqdm

from transformers import AutoTokenizer, HfArgumentParser
from transformers.models.gpta.tokenization_gpta import bytes_to_unicode
def 	_lowerCamelCase  (		A_  :	List[Any]=1_0      )			->			List[str]:

   '''simple docstring'''






   for _ in tqdm(range(0							,  args.n_examples							,  A_      )      ):
      yield [next(A_      )[args.text_column] for _ in range(A_      )]


# Configuration
__UpperCAmelCase      			=  HfArgumentParser(TokenizerTrainingArguments)
__UpperCAmelCase      			=  parser.parse_args()

# Base tokenizer
__UpperCAmelCase      			=  AutoTokenizer.from_pretrained(args.base_tokenizer)
__UpperCAmelCase      			=  list(bytes_to_unicode().values())

# Load dataset
__UpperCAmelCase      			=  load_dataset(args.dataset_name, split="""train""", streaming=True)
__UpperCAmelCase      			=  iter(dataset)


# Training and saving
__UpperCAmelCase      			=  tokenizer.train_new_from_iterator(
    batch_iterator(), vocab_size=args.vocab_size, initial_alphabet=base_vocab
)
new_tokenizer.save_pretrained(args.tokenizer_name, push_to_hub=args.push_to_hub)

