"""simple docstring"""







# Lint as: python3

import hashlib
from typing import Union


def 	a__   (		UpperCAmelCase__							:      List[Any]      )->						Optional[int]:




						if isinstance(_a		,      _a      ):
												# Data already in bytes, returns as it as
												return hash_data
						elif isinstance(_a		,      _a      ):
												# We keep the data as it as for it ot be later encoded to UTF-8
												# However replace `\\` with `/` for Windows compatibility
												UpperCAmelCase__       						=		hash_data.replace("""\\"""		,      """/"""      )
						elif isinstance(_a		,      _a      ):
												UpperCAmelCase__       						=		str(_a      )
						else:
												# If data is not of the required type, raise error
												raise InvalidKeyError(_a      )

						return hash_data.encode("""utf-8"""      )


class       _lowercase		( lowercase_	):

				def __init__(  self							:     Optional[int]							,     _lowercase							:     Optional[Any]  ):


										'''simple docstring'''
										UpperCAmelCase__       						=		"""\nFAILURE TO GENERATE DATASET: Invalid key type detected"""
										UpperCAmelCase__       						=		f'\nFound Key {hash_data} of type {type(a__  )}'
										UpperCAmelCase__       						=		"""\nKeys should be either str, int or bytes type"""
										super().__init__(f'{self.prefix}{self.err_msg}{self.suffix}'  )


class       _lowercase		( lowercase_	):

				def __init__(  self							:     Dict							,     _lowercase							:     List[Any]							,     _lowercase							:     List[str]							,     _lowercase							:     int=""  ):


										'''simple docstring'''
										UpperCAmelCase__       						=		key
										UpperCAmelCase__       						=		duplicate_key_indices
										UpperCAmelCase__       						=		fix_msg
										UpperCAmelCase__       						=		"""Found multiple examples generated with the same key"""
										if len(a__  ) <= 2_0:
																UpperCAmelCase__       						=		f'\nThe examples at index {", ".join(a__  )} have the key {key}'
										else:
																UpperCAmelCase__       						=		f'\nThe examples at index {", ".join(duplicate_key_indices[:2_0]  )}... ({len(a__  ) - 2_0} more) have the key {key}'
										UpperCAmelCase__       						=		"""\n""" + fix_msg if fix_msg else """"""
										super().__init__(f'{self.prefix}{self.err_msg}{self.suffix}'  )


class       _lowercase		:

				def __init__(  self							:     int							,     _lowercase							:     Union[str, Any]  ):


										'''simple docstring'''
										UpperCAmelCase__       						=		hashlib.mda(_as_bytes(a__  )  )

				def 							A			(  self							:     Optional[Any]							,     _lowercase							:     List[Any]  ):


										'''simple docstring'''
										UpperCAmelCase__       						=		self._split_mda.copy()
										UpperCAmelCase__       						=		_as_bytes(a__  )
										mda.update(a__  )
										# Convert to integer with hexadecimal conversion
										return int(mda.hexdigest()							,     1_6  )



from __future__ import annotations

from collections.abc import Iterable
from dataclasses import dataclass
from typing import Any

class 		__magic_name__				:


  """simple docstring"""





  _UpperCamelCase						 = ("_front", "_back", "_len")

  @dataclass
  class 		__magic_name__				:


    """simple docstring"""





    _UpperCamelCase						 = None
    _UpperCamelCase						 = None
    _UpperCamelCase						 = None







  class 		__magic_name__				:


    """simple docstring"""





    _UpperCamelCase						 = ("_cur",)


    def __init__(					self	,		a__		):
      _lowerCamelCase      =						cur


    def __iter__(					self		):
      return self


    def     _UpperCAmelCase  (					self		):
      if self._cur is None:
        # finished iterating
        raise StopIteration
      _lowerCamelCase      =						self._cur.val
      _lowerCamelCase      =						self._cur.next_node

      return val







  def __init__(					self	,		a__ = None		):
    _lowerCamelCase      =						None
    _lowerCamelCase      =						None
    _lowerCamelCase      =						0

    if iterable is not None:
      # append every value to the deque
      for val in iterable:
        self.append(a__		)


  def     _UpperCAmelCase  (					self	,		a__		):
    _lowerCamelCase      =						self._Node(a__	,		a__	,		a__		)
    if self.is_empty():
      # front = back
      _lowerCamelCase      =						_lowerCamelCase      =						node
      _lowerCamelCase      =						1
    else:
      # connect nodes
      _lowerCamelCase      =						node
      _lowerCamelCase      =						self._back
      _lowerCamelCase      =						node  # assign new back to the new node

      self._len += 1

      # make sure there were no errors
      assert not self.is_empty(), "Error on appending value."


  def     _UpperCAmelCase  (					self	,		a__		):
    _lowerCamelCase      =						self._Node(a__	,		a__	,		a__		)
    if self.is_empty():
      # front = back
      _lowerCamelCase      =						_lowerCamelCase      =						node
      _lowerCamelCase      =						1
    else:
      # connect nodes
      _lowerCamelCase      =						self._front
      _lowerCamelCase      =						node
      _lowerCamelCase      =						node  # assign new front to the new node

      self._len += 1

      # make sure there were no errors
      assert not self.is_empty(), "Error on appending value."


  def     _UpperCAmelCase  (					self	,		a__		):
    for val in iterable:
      self.append(a__		)


  def     _UpperCAmelCase  (					self	,		a__		):
    for val in iterable:
      self.appendleft(a__		)


  def     _UpperCAmelCase  (					self		):
    assert not self.is_empty(), "Deque is empty."

    _lowerCamelCase      =						self._back
    _lowerCamelCase      =						self._back.prev_node  # set new back
    # drop the last node - python will deallocate memory automatically
    _lowerCamelCase      =						None

    self._len -= 1

    return topop.val


  def     _UpperCAmelCase  (					self		):
    assert not self.is_empty(), "Deque is empty."

    _lowerCamelCase      =						self._front
    _lowerCamelCase      =						self._front.next_node  # set new front and drop the first node
    _lowerCamelCase      =						None

    self._len -= 1

    return topop.val


  def     _UpperCAmelCase  (					self		):
    return self._front is None


  def __len__(					self		):
    return self._len


  def __eq__(					self	,		a__		):

    if not isinstance(a__	,		a__		):
      return NotImplemented

    _lowerCamelCase      =						self._front
    _lowerCamelCase      =						other._front

    # if the length of the dequeues are not the same, they are not equal
    if len(self		) != len(a__		):
      return False

    while me is not None and oth is not None:
      # compare every value
      if me.val != oth.val:
        return False
      _lowerCamelCase      =						me.next_node
      _lowerCamelCase      =						oth.next_node

    return True


  def __iter__(					self		):
    return Deque._Iterator(self._front		)


  def __repr__(					self		):
    _lowerCamelCase      =						[]
    _lowerCamelCase      =						self._front
    while aux is not None:
      # append the values in a list to display
      values_list.append(aux.val		)
      _lowerCamelCase      =						aux.next_node

    return f'''[{', '.join(repr(a__		) for val in values_list		)}]'''


if __name__ == "__main__":
  import doctest

  doctest.testmod()




