






"""simple docstring"""





from typing import Any






class      a						:






    def __init__(       self     :							List[str]       ,						__SCREAMING_SNAKE_CASE     :							Optional[Any]					)     ->		int:
      lowerCamelCase_         =						data
      lowerCamelCase_         =						None






    def __repr__(       self     :							Any					)     ->		Tuple:
      return F'''Node({self.data})'''






class      a						:






    def __init__(       self     :							Any					)     ->		Union[str, Any]:
      lowerCamelCase_         =						None






    def __iter__(       self     :							int					)     ->		Optional[int]:
      lowerCamelCase_         =						self.head
      while node:
        yield node.data
        lowerCamelCase_         =						node.next






    def __len__(       self     :							int					)     ->		Union[str, Any]:
      return sum(1 for _ in self					)






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






    def __getitem__(       self     :							List[Any]       ,						__SCREAMING_SNAKE_CASE     :							Any					)     ->		Optional[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     :							Any       ,						__SCREAMING_SNAKE_CASE     :							Dict       ,						__SCREAMING_SNAKE_CASE     :							Union[str, Any]					)     ->		Any:
      if not 0 <= index < len(self					):
        raise ValueError('list index out of range.'					)
      lowerCamelCase_         =						self.head
      for _ in range(_UpperCAmelCase					):
        lowerCamelCase_         =						current.next
      lowerCamelCase_         =						data






    def    UpperCamelCase       (       self     :							List[Any]       ,						__SCREAMING_SNAKE_CASE     :							str					)     ->		Any:
      self.insert_nth(len(self					)       ,						_UpperCAmelCase					)






    def    UpperCamelCase       (       self     :							Optional[Any]       ,						__SCREAMING_SNAKE_CASE     :							List[str]					)     ->		Union[str, Any]:
      self.insert_nth(0       ,						_UpperCAmelCase					)






    def    UpperCamelCase       (       self     :							Optional[int]       ,						__SCREAMING_SNAKE_CASE     :							Any       ,						__SCREAMING_SNAKE_CASE     :							Tuple					)     ->		Tuple:
      if not 0 <= index <= len(self					):
        raise IndexError('list index out of range'					)
      lowerCamelCase_         =						Node(_UpperCAmelCase					)
      if self.head is None:
        lowerCamelCase_         =						new_node
      elif index == 0:
        lowerCamelCase_         =						self.head  # link new_node to head
        lowerCamelCase_         =						new_node
      else:
        lowerCamelCase_         =						self.head
        for _ in range(index - 1					):
          lowerCamelCase_         =						temp.next
        lowerCamelCase_         =						temp.next
        lowerCamelCase_         =						new_node






    def    UpperCamelCase       (       self     :							Dict					)     ->		Union[str, Any]:  # print every node data
      print(self					)






    def    UpperCamelCase       (       self     :							int					)     ->		List[str]:
      return self.delete_nth(0					)






    def    UpperCamelCase       (       self     :							Optional[int]					)     ->		List[str]:  # delete from tail
      return self.delete_nth(len(self					) - 1					)






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






    def    UpperCamelCase       (       self     :							int					)     ->		List[str]:
      return self.head is None






    def    UpperCamelCase       (       self     :							List[Any]					)     ->		Union[str, Any]:
      lowerCamelCase_         =						None
      lowerCamelCase_         =						self.head

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







def      lowerCamelCase__       (							)      ->				None:
  lowerCamelCase_         =						LinkedList()
  assert linked_list.is_empty() is True
  assert str(__UpperCAmelCase ) == ""

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

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

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







def      lowerCamelCase__       (							)      ->				None:
  lowerCamelCase_         =						[
      -9,
      100,
      Node(77345112 ),
      '''dlrow olleH''',
      7,
      5555,
      0,
      -192.55555,
      '''Hello, world!''',
      77.9,
      Node(10 ),
      None,
      None,
      12.20,
  ]
  lowerCamelCase_         =						LinkedList()

  for i in test_input:
    linked_list.insert_tail(__UpperCAmelCase )

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

  # Delete the tail
  lowerCamelCase_         =						linked_list.delete_tail()
  assert result == 12.2
  assert (
      str(__UpperCAmelCase ) == "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_         =						linked_list.delete_nth(10 )
  assert result is None
  assert (
      str(__UpperCAmelCase ) == "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(__UpperCAmelCase )
      == "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(__UpperCAmelCase )
  assert (
      str(__UpperCAmelCase )
      == "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(__UpperCAmelCase )
      == "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_         =						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(__UpperCAmelCase )
  print('\nReading/changing Node data using indexing:' )
  print(F'''Element at Position 1: {linked_list[1]}''' )
  lowerCamelCase_         =						input('Enter New Value: ' ).strip()
  print('New list:' )
  print(__UpperCAmelCase )
  print(F'''length of linked_list is : {len(__UpperCAmelCase )}''' )


if __name__ == "__main__":
  main()





"""simple docstring"""






from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_sentencepiece_available,
    is_torch_available,
)


__A			   = {
    "configuration_speecht5": [
        "SPEECHT5_PRETRAINED_CONFIG_ARCHIVE_MAP",
        "SPEECHT5_PRETRAINED_HIFIGAN_CONFIG_ARCHIVE_MAP",
        "SpeechT5Config",
        "SpeechT5HifiGanConfig",
    ],
    "feature_extraction_speecht5": ["SpeechT5FeatureExtractor"],
    "processing_speecht5": ["SpeechT5Processor"],
}

try:
       if not is_sentencepiece_available():
              raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
       pass
else:
       __A			   = ["SpeechT5Tokenizer"]

try:
       if not is_torch_available():
              raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
       pass
else:
       __A			   = [
           "SPEECHT5_PRETRAINED_MODEL_ARCHIVE_LIST",
           "SpeechT5ForSpeechToText",
           "SpeechT5ForSpeechToSpeech",
           "SpeechT5ForTextToSpeech",
           "SpeechT5Model",
           "SpeechT5PreTrainedModel",
           "SpeechT5HifiGan",
       ]

if TYPE_CHECKING:
       from .configuration_speechta import (
           SPEECHT5_PRETRAINED_CONFIG_ARCHIVE_MAP,
           SPEECHT5_PRETRAINED_HIFIGAN_CONFIG_ARCHIVE_MAP,
           SpeechTaConfig,
           SpeechTaHifiGanConfig,
       )
       from .feature_extraction_speechta import SpeechTaFeatureExtractor
       from .processing_speechta import SpeechTaProcessor

       try:
              if not is_sentencepiece_available():
                     raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
              pass
       else:
              from .tokenization_speechta import SpeechTaTokenizer

       try:
              if not is_torch_available():
                     raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
              pass
       else:
              from .modeling_speechta import (
                  SPEECHT5_PRETRAINED_MODEL_ARCHIVE_LIST,
                  SpeechTaForSpeechToSpeech,
                  SpeechTaForSpeechToText,
                  SpeechTaForTextToSpeech,
                  SpeechTaHifiGan,
                  SpeechTaModel,
                  SpeechTaPreTrainedModel,
              )

else:
       import sys

       __A			   = _LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)
