


'''simple docstring'''






# Lint as: python3
import itertools
import os
import re


__A   :    str											= re.compile(R"([A-Z]+)([A-Z][a-z])")
__A   :    Optional[int]											= re.compile(R"([a-z\d])([A-Z])")

__A   :    List[str]											= re.compile(R"(?<!_)_(?!_)")
__A   :    Optional[Any]											= re.compile(R"(_{2,})")

__A   :    List[str]											= R"^\w+(\.\w+)*$"

__A   :    int											= R"<>:/\|?*"







def 							UpperCamelCase_     (       A__   :  Union[str, Any]   ):
  '''simple docstring'''





  lowerCAmelCase_     : List[str]     =  _uppercase_uppercase_re.sub(R"""\1_\2"""				,       A__   )
  lowerCAmelCase_     : Tuple     =  _lowercase_uppercase_re.sub(R"""\1_\2"""				,       A__   )
  return name.lower()







def 							UpperCamelCase_     (       A__   :  Optional[Any]   ):
  '''simple docstring'''





  lowerCAmelCase_     : Dict     =  _single_underscore_re.split(A__   )
  lowerCAmelCase_     : List[str]     =  [_multiple_underscores_re.split(A__   ) for n in name]
  return "".join(n.capitalize() for n in itertools.chain.from_iterable(A__   ) if n != """"""   )







def 							UpperCamelCase_     (       A__   :  Union[str, Any]   ):
  '''simple docstring'''





  if os.path.basename(A__   ) != name:
    raise ValueError(f'Should be a dataset name, not a path: {name}'   )
  return camelcase_to_snakecase(A__   )







def 							UpperCamelCase_     (       A__   :  Union[str, Any]				,       A__   :  Dict   ):
  '''simple docstring'''





  if os.path.basename(A__   ) != name:
    raise ValueError(f'Should be a dataset name, not a path: {name}'   )
  if not re.match(_split_re				,       A__   ):
    raise ValueError(f'Split name should match \'{_split_re}\'\' but got \'{split}\'.'   )
  return f'{filename_prefix_for_name(A__   )}-{split}'







def 							UpperCamelCase_     (       A__   :  Union[str, Any]				,       A__   :  Optional[Any]				,       A__   :  Optional[int]				,       A__   :  Tuple=None   ):
  '''simple docstring'''





  lowerCAmelCase_     : List[Any]     =  filename_prefix_for_split(A__				,       A__   )
  if filetype_suffix:
    prefix += f'.{filetype_suffix}'
  lowerCAmelCase_     : Any     =  os.path.join(A__				,       A__   )
  return f'{filepath}*'







def 							UpperCamelCase_     (       A__   :  Optional[int]				,       A__   :  Union[str, Any]				,       A__   :  List[Any]				,       A__   :  Optional[Any]=None				,       A__   :  str=None   ):
  '''simple docstring'''





  lowerCAmelCase_     : List[Any]     =  filename_prefix_for_split(A__				,       A__   )
  lowerCAmelCase_     : Any     =  os.path.join(A__				,       A__   )

  if shard_lengths:
    lowerCAmelCase_     : Any     =  len(A__   )
    lowerCAmelCase_     : str     =  [f'{prefix}-{shard_id:05d}-of-{num_shards:05d}' for shard_id in range(A__   )]
    if filetype_suffix:
      lowerCAmelCase_     : Dict     =  [filename + f'.{filetype_suffix}' for filename in filenames]
    return filenames
  else:
    lowerCAmelCase_     : int     =  prefix
    if filetype_suffix:
      filename += f'.{filetype_suffix}'
    return [filename]







'''simple docstring'''






from collections.abc import Iterator, MutableMapping
from dataclasses import dataclass
from typing import Generic, TypeVar

__A   :    Union[str, Any]											= TypeVar("KEY")
__A   :    Union[str, Any]											= TypeVar("VAL")






@dataclass(frozen=_SCREAMING_SNAKE_CASE      ,slots=_SCREAMING_SNAKE_CASE)
class   __snake_case			(  Generic[KEY, VAL]):







    """simple docstring"""



    lowercase  					=   42
    lowercase  					=   42







class   __snake_case			(  _Item):







    """simple docstring"""



    def __init__(  self       :    int						)  ->    None:
      super().__init__(lowerCamelCase       ,		lowerCamelCase						)





    def __bool__(  self       :    Tuple						)  ->    bool:
      return False







__A   :    Any											= _DeletedItem()






class   __snake_case			(  MutableMapping[KEY, VAL]):







    """simple docstring"""



    def __init__(  self       :    Optional[int]       ,		lowerCamelCase       :    int = 8       ,		lowerCamelCase       :    float = 0.75						)  ->    None:
      lowerCAmelCase_     : str     =  initial_block_size
      lowerCAmelCase_     : list[_Item | None]     =  [None] * initial_block_size
      assert 0.0 < capacity_factor < 1.0
      lowerCAmelCase_     : Optional[Any]     =  capacity_factor
      lowerCAmelCase_     : List[Any]     =  0

    def __lowercase  (  self       :    List[Any]       ,		lowerCamelCase       :    KEY						)  ->    int:
      return hash(lowerCamelCase						) % len(self._buckets						)

    def __lowercase  (  self       :    Optional[Any]       ,		lowerCamelCase       :    int						)  ->    int:
      return (ind + 1) % len(self._buckets						)

    def __lowercase  (  self       :    Union[str, Any]       ,		lowerCamelCase       :    int       ,		lowerCamelCase       :    KEY       ,		lowerCamelCase       :    VAL						)  ->    bool:
      lowerCAmelCase_     : Union[str, Any]     =  self._buckets[ind]
      if not stored:
        lowerCAmelCase_     : List[Any]     =  _Item(lowerCamelCase       ,		lowerCamelCase						)
        self._len += 1
        return True
      elif stored.key == key:
        lowerCAmelCase_     : List[str]     =  _Item(lowerCamelCase       ,		lowerCamelCase						)
        return True
      else:
        return False

    def __lowercase  (  self       :    Optional[Any]						)  ->    bool:
      lowerCAmelCase_     : str     =  len(self._buckets						) * self._capacity_factor
      return len(self						) >= int(lowerCamelCase						)

    def __lowercase  (  self       :    Dict						)  ->    bool:
      if len(self._buckets						) <= self._initial_block_size:
        return False
      lowerCAmelCase_     : Optional[int]     =  len(self._buckets						) * self._capacity_factor / 2
      return len(self						) < limit

    def __lowercase  (  self       :    Tuple       ,		lowerCamelCase       :    int						)  ->    None:
      lowerCAmelCase_     : Union[str, Any]     =  self._buckets
      lowerCAmelCase_     : str     =  [None] * new_size
      lowerCAmelCase_     : str     =  0
      for item in old_buckets:
        if item:
          self._add_item(item.key       ,		item.val						)

    def __lowercase  (  self       :    Tuple						)  ->    None:
      self._resize(len(self._buckets						) * 2						)

    def __lowercase  (  self       :    Union[str, Any]						)  ->    None:
      self._resize(len(self._buckets						) // 2						)

    def __lowercase  (  self       :    Optional[int]       ,		lowerCamelCase       :    KEY						)  ->    Iterator[int]:
      lowerCAmelCase_     : int     =  self._get_bucket_index(lowerCamelCase						)
      for _ in range(len(self._buckets						)						):
        yield ind
        lowerCAmelCase_     : Dict     =  self._get_next_ind(lowerCamelCase						)

    def __lowercase  (  self       :    Tuple       ,		lowerCamelCase       :    KEY       ,		lowerCamelCase       :    VAL						)  ->    None:
      for ind in self._iterate_buckets(lowerCamelCase						):
        if self._try_set(lowerCamelCase       ,		lowerCamelCase       ,		lowerCamelCase						):
          break

    def __setitem__(  self       :    Tuple       ,		lowerCamelCase       :    KEY       ,		lowerCamelCase       :    VAL						)  ->    None:
      if self._is_full():
        self._size_up()

      self._add_item(lowerCamelCase       ,		lowerCamelCase						)

    def __delitem__(  self       :    Optional[int]       ,		lowerCamelCase       :    KEY						)  ->    None:
      for ind in self._iterate_buckets(lowerCamelCase						):
        lowerCAmelCase_     : int     =  self._buckets[ind]
        if item is None:
          raise KeyError(lowerCamelCase						)
        if item is _deleted:
          continue
        if item.key == key:
          lowerCAmelCase_     : List[Any]     =  _deleted
          self._len -= 1
          break
      if self._is_sparse():
        self._size_down()

    def __getitem__(  self       :    Any       ,		lowerCamelCase       :    KEY						)  ->    VAL:
      for ind in self._iterate_buckets(lowerCamelCase						):
        lowerCAmelCase_     : Dict     =  self._buckets[ind]
        if item is None:
          break
        if item is _deleted:
          continue
        if item.key == key:
          return item.val
      raise KeyError(lowerCamelCase						)

    def __len__(  self       :    Any						)  ->    int:
      return self._len

    def __iter__(  self       :    Optional[Any]						)  ->    Iterator[KEY]:
      yield from (item.key for item in self._buckets if item)





    def __repr__(  self       :    List[Any]						)  ->    str:
      lowerCAmelCase_     : int     =  """ ,""".join(
          F'{item.key}: {item.val}' for item in self._buckets if item						)
      return F'HashMap({val_string})'



