

import unittest
from dataclasses import dataclass
from typing import Optional

from transformers.utils import ModelOutput





@dataclass
class    __UpperCAmelCase	(			lowercase__		):
   UpperCamelCase  	=	4_2
   UpperCamelCase  	=	None
   UpperCamelCase  	=	None






class    __UpperCAmelCase	(			unittest.TestCase		):



   def 			__magic_name__       (				self				:	str		):
     UpperCAmelCase			:				List[str]										=					ModelOutputTest(a=3_0		)
     self.assertEqual(x.a,						3_0		)
     self.assertIsNone(x.b		)
     self.assertIsNone(x.c		)
     with self.assertRaises(__A		):
       UpperCAmelCase			:				Any										=					x.d



   def 			__magic_name__       (				self				:	List[Any]		):
     UpperCAmelCase			:				Tuple										=					ModelOutputTest(a=3_0,						b=1_0		)
     self.assertEqual(x[0],						3_0		)
     self.assertEqual(x[1],						1_0		)
     self.assertEqual(x[:2],						(3_0, 1_0)		)
     self.assertEqual(x[:],						(3_0, 1_0)		)

     UpperCAmelCase			:				Optional[Any]										=					ModelOutputTest(a=3_0,						c=1_0		)
     self.assertEqual(x[0],						3_0		)
     self.assertEqual(x[1],						1_0		)
     self.assertEqual(x[:2],						(3_0, 1_0)		)
     self.assertEqual(x[:],						(3_0, 1_0)		)



   def 			__magic_name__       (				self				:	Tuple		):
     UpperCAmelCase			:				Union[str, Any]										=					ModelOutputTest(a=3_0,						b=1_0		)
     self.assertEqual(x['''a'''],						3_0		)
     self.assertEqual(x['''b'''],						1_0		)
     with self.assertRaises(__A		):
       UpperCAmelCase			:				Dict										=					x["c"]

     UpperCAmelCase			:				Optional[Any]										=					ModelOutputTest(a=3_0,						c=1_0		)
     self.assertEqual(x['''a'''],						3_0		)
     self.assertEqual(x['''c'''],						1_0		)
     with self.assertRaises(__A		):
       UpperCAmelCase			:				int										=					x["b"]



   def 			__magic_name__       (				self				:	str		):
     UpperCAmelCase			:				Dict										=					ModelOutputTest(a=3_0		)
     self.assertEqual(list(x.keys()		),						['''a''']		)
     self.assertEqual(list(x.values()		),						[3_0]		)
     self.assertEqual(list(x.items()		),						[('''a''', 3_0)]		)
     self.assertEqual(list(__A		),						['''a''']		)

     UpperCAmelCase			:				List[str]										=					ModelOutputTest(a=3_0,						b=1_0		)
     self.assertEqual(list(x.keys()		),						['''a''', '''b''']		)
     self.assertEqual(list(x.values()		),						[3_0, 1_0]		)
     self.assertEqual(list(x.items()		),						[('''a''', 3_0), ('''b''', 1_0)]		)
     self.assertEqual(list(__A		),						['''a''', '''b''']		)

     UpperCAmelCase			:				Any										=					ModelOutputTest(a=3_0,						c=1_0		)
     self.assertEqual(list(x.keys()		),						['''a''', '''c''']		)
     self.assertEqual(list(x.values()		),						[3_0, 1_0]		)
     self.assertEqual(list(x.items()		),						[('''a''', 3_0), ('''c''', 1_0)]		)
     self.assertEqual(list(__A		),						['''a''', '''c''']		)

     with self.assertRaises(__A		):
       UpperCAmelCase			:				int										=					x.update({'''d''': 2_0}		)
     with self.assertRaises(__A		):
       del x["a"]
     with self.assertRaises(__A		):
       UpperCAmelCase			:				Optional[Any]										=					x.pop('''a'''		)
     with self.assertRaises(__A		):
       UpperCAmelCase			:				Tuple										=					x.setdefault('''d''',						3_2		)



   def 			__magic_name__       (				self				:	Optional[int]		):
     UpperCAmelCase			:				Union[str, Any]										=					ModelOutputTest(a=3_0		)
     UpperCAmelCase			:				Tuple										=					1_0
     self.assertEqual(x.a,						1_0		)
     self.assertEqual(x['''a'''],						1_0		)



   def 			__magic_name__       (				self				:	List[str]		):
     UpperCAmelCase			:				Optional[int]										=					ModelOutputTest(a=3_0		)
     UpperCAmelCase			:				Optional[Any]										=					1_0
     self.assertEqual(x.a,						1_0		)
     self.assertEqual(x['''a'''],						1_0		)



   def 			__magic_name__       (				self				:	Optional[int]		):
     UpperCAmelCase			:				List[Any]										=					ModelOutputTest({'''a''': 3_0, '''b''': 1_0}		)
     self.assertEqual(list(x.keys()		),						['''a''', '''b''']		)
     self.assertEqual(x.a,						3_0		)
     self.assertEqual(x.b,						1_0		)





   def 			__magic_name__       (				self				:	List[Any]		):
     UpperCAmelCase			:				Dict										=					ModelOutputTest([('''a''', 3_0), ('''b''', 1_0)]		)
     self.assertEqual(list(x.keys()		),						['''a''', '''b''']		)
     self.assertEqual(x.a,						3_0		)
     self.assertEqual(x.b,						1_0		)

     with self.assertRaises(__A		):
       UpperCAmelCase			:				str										=					ModelOutputTest([('''a''', 3_0), (1_0, 1_0)]		)

     UpperCAmelCase			:				Optional[int]										=					ModelOutputTest(a=(3_0, 3_0)		)
     self.assertEqual(list(x.keys()		),						['''a''']		)
     self.assertEqual(x.a,						(3_0, 3_0)		)












from __future__ import annotations

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



class  _a  :






							"""simple docstring"""

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



							@dataclass
							class  _a  :






														"""simple docstring"""

														snake_case_							=    None
														snake_case_							=    None
														snake_case_							=    None







							class  _a  :






														"""simple docstring"""

														snake_case_							=    ("_cur",)

														def __init__(   self					:  Tuple				,						a					:  Deque._Node | None     )						->None:
																				SCREAMING_SNAKE_CASE__  :					Union[str, Any] =       cur

														def __iter__(   self					:  Dict     )						->Deque._Iterator:
																				return self






														def   A_	(   self					:  int     )						->Any:
																				if self._cur is None:
																										# finished iterating
																										raise StopIteration
																				SCREAMING_SNAKE_CASE__  :					Tuple =       self._cur.val
																				SCREAMING_SNAKE_CASE__  :					int =       self._cur.next_node

																				return val







							def __init__(   self					:  str				,						a					:  Iterable[Any] | None = None     )						->None:
													SCREAMING_SNAKE_CASE__  :					Any =       None
													SCREAMING_SNAKE_CASE__  :					Any =       None
													SCREAMING_SNAKE_CASE__  :					int =       0

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

							def   A_	(   self					:  Tuple				,						a					:  Any     )						->None:
													SCREAMING_SNAKE_CASE__  :					Optional[Any] =       self._Node(a				,						a				,						a     )
													if self.is_empty():
																			# front = back
																			SCREAMING_SNAKE_CASE__  :					int =       node
																			SCREAMING_SNAKE_CASE__  :					Dict =       1
													else:
																			# connect nodes
																			SCREAMING_SNAKE_CASE__  :					Optional[int] =       node
																			SCREAMING_SNAKE_CASE__  :					Any =       self._back
																			SCREAMING_SNAKE_CASE__  :					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   A_	(   self					:  List[str]				,						a					:  Any     )						->None:
													SCREAMING_SNAKE_CASE__  :					List[Any] =       self._Node(a				,						a				,						a     )
													if self.is_empty():
																			# front = back
																			SCREAMING_SNAKE_CASE__  :					str =       node
																			SCREAMING_SNAKE_CASE__  :					Dict =       1
													else:
																			# connect nodes
																			SCREAMING_SNAKE_CASE__  :					Any =       self._front
																			SCREAMING_SNAKE_CASE__  :					Tuple =       node
																			SCREAMING_SNAKE_CASE__  :					int =       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   A_	(   self					:  Dict				,						a					:  Iterable[Any]     )						->None:
													for val in iterable:
																			self.append(a     )

							def   A_	(   self					:  Tuple				,						a					:  Iterable[Any]     )						->None:
													for val in iterable:
																			self.appendleft(a     )

							def   A_	(   self					:  Any     )						->Any:
													assert not self.is_empty(), "Deque is empty."

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

													self._len -= 1

													return topop.val

							def   A_	(   self					:  Any     )						->Any:
													assert not self.is_empty(), "Deque is empty."

													SCREAMING_SNAKE_CASE__  :					Any =       self._front
													SCREAMING_SNAKE_CASE__  :					Dict =       self._front.next_node  # set new front and drop the first node
													SCREAMING_SNAKE_CASE__  :					Dict =       None

													self._len -= 1

													return topop.val

							def   A_	(   self					:  str     )						->bool:
													return self._front is None

							def __len__(   self					:  List[str]     )						->int:
													return self._len

							def __eq__(   self					:  List[Any]				,						a					:  object     )						->bool:

													if not isinstance(a				,						a     ):
																			return NotImplemented

													SCREAMING_SNAKE_CASE__  :					List[Any] =       self._front
													SCREAMING_SNAKE_CASE__  :					Union[str, Any] =       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
																			SCREAMING_SNAKE_CASE__  :					Any =       me.next_node
																			SCREAMING_SNAKE_CASE__  :					Any =       oth.next_node

													return True

							def __iter__(   self					:  Any     )						->Deque._Iterator:
													return Deque._Iterator(self._front     )






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

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


if __name__ == "__main__":
				import doctest

				doctest.testmod()