


from typing import Any







class  snake_case__:







						'''simple docstring'''




						def __init__( self      ,  __lowercase							)    ->			Union[str, Any]:
										lowerCAmelCase_       :					Optional[int]			 = data
										lowerCAmelCase_       :					str			 = None




						def __repr__( self							)    ->			str:
										return f"""Node({self.data})"""







class  snake_case__:







						'''simple docstring'''




						def __init__( self							)    ->			int:
										lowerCAmelCase_       :					Optional[Any]			 = None




						def __iter__( self							)    ->			Any:
										lowerCAmelCase_       :					Any			 = self.head
										while node:
														yield node.data
														lowerCAmelCase_       :					int			 = node.next




						def __len__( self							)    ->			int:
										return sum(1 for _ in self							)




						def __repr__( self							)    ->			str:
										return "->".join([str(UpperCamelCase__							) for item in self]							)




						def __getitem__( self      ,  __lowercase							)    ->			Any:




										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      ,  __lowercase      ,  __lowercase							)    ->			None:




										if not 0 <= index < len(self							):
														raise ValueError('''list index out of range.'''							)
										lowerCAmelCase_       :					List[Any]			 = self.head
										for _ in range(UpperCamelCase__							):
														lowerCAmelCase_       :					Tuple			 = current.next
										lowerCAmelCase_       :					int			 = data




						def   lowercase_       ( self      ,  __lowercase							)    ->			None:
										self.insert_nth(len(self							)      ,  UpperCamelCase__							)




						def   lowercase_       ( self      ,  __lowercase							)    ->			None:
										self.insert_nth(0      ,  UpperCamelCase__							)




						def   lowercase_       ( self      ,  __lowercase      ,  __lowercase							)    ->			None:




										if not 0 <= index <= len(self							):
														raise IndexError('''list index out of range'''							)
										lowerCAmelCase_       :					List[Any]			 = Node(UpperCamelCase__							)
										if self.head is None:
														lowerCAmelCase_       :					Optional[int]			 = new_node
										elif index == 0:
														lowerCAmelCase_       :					Dict			 = self.head  # link new_node to head
														lowerCAmelCase_       :					str			 = new_node
										else:
														lowerCAmelCase_       :					Optional[int]			 = self.head
														for _ in range(index - 1							):
																		lowerCAmelCase_       :					int			 = temp.next
														lowerCAmelCase_       :					Any			 = temp.next
														lowerCAmelCase_       :					Optional[Any]			 = new_node




						def   lowercase_       ( self							)    ->			None:  # print every node data
										print(self							)




						def   lowercase_       ( self							)    ->			Any:
										return self.delete_nth(0							)




						def   lowercase_       ( self							)    ->			Any:  # delete from tail
										return self.delete_nth(len(self							) - 1							)




						def   lowercase_       ( self      ,  __lowercase = 0							)    ->			Any:




										if not 0 <= index <= len(self							) - 1:  # test if index is valid
														raise IndexError('''List index out of range.'''							)
										lowerCAmelCase_       :					Dict			 = self.head  # default first node
										if index == 0:
														lowerCAmelCase_       :					Optional[int]			 = self.head.next
										else:
														lowerCAmelCase_       :					List[Any]			 = self.head
														for _ in range(index - 1							):
																		lowerCAmelCase_       :					Optional[int]			 = temp.next
														lowerCAmelCase_       :					List[str]			 = temp.next
														lowerCAmelCase_       :					Tuple			 = temp.next.next
										return delete_node.data




						def   lowercase_       ( self							)    ->			bool:
										return self.head is None




						def   lowercase_       ( self							)    ->			None:
										lowerCAmelCase_       :					str			 = None
										lowerCAmelCase_       :					Optional[int]			 = self.head

										while current:
														# Store the current node's next node.
														lowerCAmelCase_       :					Any			 = current.next
														# Make the current node's next point backwards
														lowerCAmelCase_       :					Tuple			 = prev
														# Make the previous node be the current node
														lowerCAmelCase_       :					List[str]			 = current
														# Make the current node the next node (to progress iteration)
														lowerCAmelCase_       :					Any			 = next_node
										# Return prev in order to put the head at the end
										lowerCAmelCase_       :					List[str]			 = prev






def 	lowerCAmelCase       (						)->       None:
				lowerCAmelCase_       :					Dict			 = LinkedList()
				assert linked_list.is_empty() is True
				assert str(lowerCAmelCase_       ) == ""

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

				linked_list.insert_head(0       )
				linked_list.insert_tail(11       )
				assert str(lowerCAmelCase_       ) == "->".join(str(lowerCAmelCase_       ) 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(lowerCAmelCase_       ) == 9
				assert str(lowerCAmelCase_       ) == "->".join(str(lowerCAmelCase_       ) 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       ):
								lowerCAmelCase_       :					List[Any]			 = -i
				assert all(linked_list[i] == -i for i in range(0       ,      9       )       ) is True

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



def 	lowerCAmelCase       (						)->       None:
				lowerCAmelCase_       :					Any			 = [
				    -9,
				    100,
				    Node(77_345_112       ),
				    "dlrow olleH",
				    7,
				    5_555,
				    0,
				    -192.55555,
				    "Hello, world!",
				    77.9,
				    Node(10       ),
				    None,
				    None,
				    12.20,
				]
				lowerCAmelCase_       :					Optional[Any]			 = LinkedList()

				for i in test_input:
								linked_list.insert_tail(lowerCAmelCase_       )

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

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

				# Delete the tail
				lowerCAmelCase_       :					Optional[Any]			 = linked_list.delete_tail()
				assert result == 12.2
				assert (
				    str(lowerCAmelCase_       ) == "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
				lowerCAmelCase_       :					List[Any]			 = linked_list.delete_nth(10       )
				assert result is None
				assert (
				    str(lowerCAmelCase_       ) == "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(lowerCAmelCase_       )
				    == "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(lowerCAmelCase_       )
				assert (
				    str(lowerCAmelCase_       )
				    == "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(lowerCAmelCase_       )
				    == "None->None->Node(10)->77.9->Hello, world!->-192.55555->0->5555->"
				    "7->dlrow olleH->Node(77345112)->100->Node(Hello again, world!)"
				)



def 	lowerCAmelCase       (						)->       Union[str, Any]:
				from doctest import testmod

				testmod()

				lowerCAmelCase_       :					str			 = 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(lowerCAmelCase_       )
				print('''\nReading/changing Node data using indexing:'''       )
				print(f"""Element at Position 1: {linked_list[1]}"""       )
				lowerCAmelCase_       :					Union[str, Any]			 = input('''Enter New Value: '''       ).strip()
				print('''New list:'''       )
				print(lowerCAmelCase_       )
				print(f"""length of linked_list is : {len(lowerCAmelCase_       )}"""       )


if __name__ == "__main__":
						main()



"""simple docstring"""



import os
from shutil import copyfile
from typing import List, Optional, Tuple

from ...tokenization_utils import AddedToken
from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import is_sentencepiece_available, logging


if is_sentencepiece_available():
  from .tokenization_rembert import RemBertTokenizer
else:
  __snake_case   			=    None

__snake_case   			=    logging.get_logger(__name__)
__snake_case   			=    {"""vocab_file""": """sentencepiece.model""", """tokenizer_file""": """tokenizer.json"""}

__snake_case   			=    {
    """vocab_file""": {
        """google/rembert""": """https://huggingface.co/google/rembert/resolve/main/sentencepiece.model""",
    },
    """tokenizer_file""": {
        """google/rembert""": """https://huggingface.co/google/rembert/resolve/main/tokenizer.json""",
    },
}

__snake_case   			=    {
    """google/rembert""": 256,
}

__snake_case   			=    """▁"""







class _lowerCAmelCase				(      snake_case_	):
   __UpperCAmelCase :       List[str]							  =  VOCAB_FILES_NAMES
   __UpperCAmelCase :       Union[str, Any]							  =  PRETRAINED_VOCAB_FILES_MAP
   __UpperCAmelCase :       str							  =  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
   __UpperCAmelCase :       str							  =  RemBertTokenizer







   def __init__(	self						,	UpperCamelCase__=None						,	UpperCamelCase__=None						,	UpperCamelCase__=True						,	UpperCamelCase__=True						,	UpperCamelCase__=False						,	UpperCamelCase__="[CLS]"						,	UpperCamelCase__="[SEP]"						,	UpperCamelCase__="<unk>"						,	UpperCamelCase__="[SEP]"						,	UpperCamelCase__="<pad>"						,	UpperCamelCase__="[CLS]"						,	UpperCamelCase__="[MASK]"						,	**UpperCamelCase__						,	)	->		Tuple:

       '''simple docstring'''




       snake_case    :      Dict      					=    AddedToken(UpperCamelCase__						,	lstrip=UpperCamelCase__						,	rstrip=UpperCamelCase__						) if isinstance(UpperCamelCase__						,	UpperCamelCase__						) else mask_token

       super().__init__(
           UpperCamelCase__						,	tokenizer_file=UpperCamelCase__						,	do_lower_case=UpperCamelCase__						,	remove_space=UpperCamelCase__						,	keep_accents=UpperCamelCase__						,	bos_token=UpperCamelCase__						,	eos_token=UpperCamelCase__						,	unk_token=UpperCamelCase__						,	sep_token=UpperCamelCase__						,	pad_token=UpperCamelCase__						,	cls_token=UpperCamelCase__						,	mask_token=UpperCamelCase__						,	**UpperCamelCase__						,	)

       snake_case    :      int      					=    do_lower_case
       snake_case    :      Union[str, Any]      					=    remove_space
       snake_case    :      Optional[int]      					=    keep_accents
       snake_case    :      Any      					=    vocab_file
       snake_case    :      Any      					=    False if not self.vocab_file else True







   def  lowerCamelCase		(	self						,	UpperCamelCase__						,	UpperCamelCase__ = None						)	->		List[int]:

       '''simple docstring'''




       snake_case    :      Optional[Any]      					=    [self.sep_token_id]
       snake_case    :      Optional[int]      					=    [self.cls_token_id]
       if token_ids_a is None:
           return cls + token_ids_a + sep
       return cls + token_ids_a + sep + token_ids_a + sep







   def  lowerCamelCase		(	self						,	UpperCamelCase__						,	UpperCamelCase__ = None						,	UpperCamelCase__ = False						)	->		List[int]:

       '''simple docstring'''




       if already_has_special_tokens:
           if token_ids_a is not None:
               raise ValueError(
                   "You should not supply a second sequence if the provided sequence of "
                   "ids is already formatted with special tokens for the model."						)
           return [1 if x in [self.sep_token_id, self.cls_token_id] else 0 for x in token_ids_a]

       if token_ids_a is not None:
           return [1] + ([0] * len(UpperCamelCase__						)) + [1] + ([0] * len(UpperCamelCase__						)) + [1]
       return [1] + ([0] * len(UpperCamelCase__						)) + [1]







   def  lowerCamelCase		(	self						,	UpperCamelCase__						,	UpperCamelCase__ = None						)	->		List[int]:

       '''simple docstring'''




       snake_case    :      Union[str, Any]      					=    [self.sep_token_id]
       snake_case    :      Optional[int]      					=    [self.cls_token_id]

       if token_ids_a is None:
           return len(cls + token_ids_a + sep						) * [0]
       return len(cls + token_ids_a + sep						) * [0] + len(token_ids_a + sep						) * [1]







   def  lowerCamelCase		(	self						,	UpperCamelCase__						,	UpperCamelCase__ = None						)	->		Tuple[str]:

       '''simple docstring'''




       if not os.path.isdir(UpperCamelCase__						):
           logger.error("Vocabulary path ({}) should be a directory".format(UpperCamelCase__						)						)
           return
       snake_case    :      str      					=    os.path.join(
           UpperCamelCase__						,	(filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["vocab_file"]						)

       if os.path.abspath(self.vocab_file						) != os.path.abspath(UpperCamelCase__						):
           copyfile(self.vocab_file						,	UpperCamelCase__						)

       return (out_vocab_file,)





