

from __future__ import annotations

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






class 				A_					:
     _lowercase     :	Union[str, Any]        =      ("""_front""", """_back""", """_len""")






     @dataclass
     class 				A_					:
          _lowercase     :	Any        =      None
          _lowercase     :	Deque._Node | None        =      None
          _lowercase     :	Deque._Node | None        =      None







     class 				A_					:
          _lowercase     :	Union[str, Any]        =      ("""_cur""",)


          def __init__(				self     :						Dict     ,    UpperCAmelCase     :						Any   )				->      Optional[Any]:
           __lowerCAmelCase:  List[Any]        = cur


          def __iter__(				self     :						int   )				->      Any:
           return self


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

           if self._cur is None:
            # finished iterating
            raise StopIteration
           __lowerCAmelCase:  int        = self._cur.val
           __lowerCAmelCase:  Union[str, Any]        = self._cur.next_node

           return val







     def __init__(				self     :						Any     ,    UpperCAmelCase     :						List[Any] = None   )				->      Tuple:
      __lowerCAmelCase:  List[str]        = None
      __lowerCAmelCase:  str        = None
      __lowerCAmelCase:  str        = 0

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


     def     UpperCAmelCase    (				self     :						Optional[int]     ,    UpperCAmelCase     :						int   )				->      Tuple:
      __lowerCAmelCase:  List[str]        = self._Node(UpperCAmelCase     ,    UpperCAmelCase     ,    UpperCAmelCase   )
      if self.is_empty():
       # front = back
       __lowerCAmelCase:  str        = node
       __lowerCAmelCase:  Union[str, Any]        = 1
      else:
       # connect nodes
       __lowerCAmelCase:  Optional[int]        = node
       __lowerCAmelCase:  Optional[int]        = self._back
       __lowerCAmelCase:  Tuple        = 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     :						List[str]     ,    UpperCAmelCase     :						Optional[int]   )				->      Dict:
      __lowerCAmelCase:  List[Any]        = self._Node(UpperCAmelCase     ,    UpperCAmelCase     ,    UpperCAmelCase   )
      if self.is_empty():
       # front = back
       __lowerCAmelCase:  Tuple        = node
       __lowerCAmelCase:  Optional[int]        = 1
      else:
       # connect nodes
       __lowerCAmelCase:  Optional[Any]        = self._front
       __lowerCAmelCase:  Optional[int]        = node
       __lowerCAmelCase:  List[Any]        = 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     :						Optional[int]     ,    UpperCAmelCase     :						Any   )				->      Union[str, Any]:

      for val in iterable:
       self.append(UpperCAmelCase   )


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

      for val in iterable:
       self.appendleft(UpperCAmelCase   )


     def     UpperCAmelCase    (				self     :						List[Any]   )				->      Union[str, Any]:
      assert not self.is_empty(), "Deque is empty."

      __lowerCAmelCase:  Optional[int]        = self._back
      __lowerCAmelCase:  int        = self._back.prev_node  # set new back
      # drop the last node - python will deallocate memory automatically
      __lowerCAmelCase:  Optional[Any]        = None

      self._len -= 1

      return topop.val


     def     UpperCAmelCase    (				self     :						Dict   )				->      str:
      assert not self.is_empty(), "Deque is empty."

      __lowerCAmelCase:  Tuple        = self._front
      __lowerCAmelCase:  List[str]        = self._front.next_node  # set new front and drop the first node
      __lowerCAmelCase:  Any        = None

      self._len -= 1

      return topop.val


     def     UpperCAmelCase    (				self     :						int   )				->      Any:
      return self._front is None


     def __len__(				self     :						str   )				->      Tuple:
      return self._len


     def __eq__(				self     :						Optional[Any]     ,    UpperCAmelCase     :						List[str]   )				->      Tuple:

      if not isinstance(UpperCAmelCase     ,    UpperCAmelCase   ):
       return NotImplemented

      __lowerCAmelCase:  Tuple        = self._front
      __lowerCAmelCase:  int        = other._front

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

      while me is not None and oth is not None:
       # compare every value
       if me.val != oth.val:
        return False
       __lowerCAmelCase:  Optional[Any]        = me.next_node
       __lowerCAmelCase:  Dict        = oth.next_node

      return True


     def __iter__(				self     :						Optional[Any]   )				->      str:
      return Deque._Iterator(self._front   )


     def __repr__(				self     :						Union[str, Any]   )				->      List[str]:
      __lowerCAmelCase:  Optional[int]        = []
      __lowerCAmelCase:  int        = self._front
      while aux is not None:
       # append the values in a list to display
       values_list.append(aux.val   )
       __lowerCAmelCase:  str        = aux.next_node

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


if __name__ == "__main__":
  import doctest

  doctest.testmod()






"""simple docstring"""
import os
from string import ascii_letters

SCREAMING_SNAKE_CASE__       =	ascii_letters + " \t\n"





def  lowerCAmelCase__     (      )       ->					dict[str, None]:





						"""simple docstring"""






						snake_case             =      os.path.split(os.path.realpath(_UpperCamelCase       )       )
						snake_case             =      {}
						with open(path[0] + '/dictionary.txt'       ) as dictionary_file:
												for word in dictionary_file.read().split('\n'       ):
																		snake_case             =      None
						return english_words


SCREAMING_SNAKE_CASE__       =	load_dictionary()





def  lowerCAmelCase__     (      _UpperCamelCase							:					str       )       ->					float:





						"""simple docstring"""






						snake_case             =      message.upper()
						snake_case             =      remove_non_letters(_UpperCamelCase       )
						snake_case             =      message.split()
						snake_case             =      len([word for word in possible_words if word in ENGLISH_WORDS]       )
						return float(_UpperCamelCase       ) / len(_UpperCamelCase       )





def  lowerCAmelCase__     (      _UpperCamelCase							:					str       )       ->					str:





						"""simple docstring"""






						return "".join(symbol for symbol in message if symbol in LETTERS_AND_SPACE       )





def  lowerCAmelCase__     (      _UpperCamelCase							:					str			,      _UpperCamelCase							:					int = 2_0			,      _UpperCamelCase							:					int = 8_5       )       ->					bool:





						"""simple docstring"""






						snake_case             =      get_english_count(_UpperCamelCase       ) * 1_0_0 >= word_percentage
						snake_case             =      len(remove_non_letters(_UpperCamelCase       )       )
						snake_case             =      (float(_UpperCamelCase       ) / len(_UpperCamelCase       )) * 1_0_0
						snake_case             =      message_letters_percentage >= letter_percentage
						return words_match and letters_match


if __name__ == "__main__":
					import doctest

					doctest.testmod()


