



from __future__ import annotations

from enum import Enum, unique
from typing import TypeVar

# Create a generic variable that can be 'Enum', or any subclass.
lowerCAmelCase__	:  Tuple 		=TypeVar('''T''', bound='''Enum''')

@unique
class      UpperCAmelCase_						(     UpperCamelCase_ ):

      '''simple docstring'''




      UpperCamelCase__    :				Any       						=						80
      UpperCamelCase__    :				int       						=						70
      UpperCamelCase__    :				Optional[Any]       						=						60
      UpperCamelCase__    :				str       						=						50
      UpperCamelCase__    :				Tuple       						=						40
      UpperCamelCase__    :				Any       						=						30
      UpperCamelCase__    :				int       						=						20
      UpperCamelCase__    :				int       						=						10







@unique
class      UpperCAmelCase_						(     UpperCamelCase_ ):

      '''simple docstring'''




      UpperCamelCase__    :				Dict       						=						24
      UpperCamelCase__    :				str       						=						21
      UpperCamelCase__    :				str       						=						18
      UpperCamelCase__    :				Optional[Any]       						=						15
      UpperCamelCase__    :				str       						=						12
      UpperCamelCase__    :				Union[str, Any]       						=						9
      UpperCamelCase__    :				Any       						=						6
      UpperCamelCase__    :				Tuple       						=						3
      UpperCamelCase__    :				Dict       						=						2
      UpperCamelCase__    :				Optional[int]       						=						1
      UpperCamelCase__    :				List[str]       						=						-1
      UpperCamelCase__    :				str       						=						-2
      UpperCamelCase__    :				Any       						=						-3
      UpperCamelCase__    :				Optional[int]       						=						-6
      UpperCamelCase__    :				List[Any]       						=						-9
      UpperCamelCase__    :				Union[str, Any]       						=						-12
      UpperCamelCase__    :				Optional[Any]       						=						-15
      UpperCamelCase__    :				str       						=						-18
      UpperCamelCase__    :				Tuple       						=						-21
      UpperCamelCase__    :				List[str]       						=						-24






      @classmethod
      def  _A			(					cls	):







             '''simple docstring'''

             return {unit.name: unit.value for unit in cls if unit.value > 0}






      @classmethod
      def  _A			(					cls	):







             '''simple docstring'''

             return {unit.name: unit.value for unit in cls if unit.value < 0}







def 			__lowercase     (				a__     )       ->				str:
       __SCREAMING_SNAKE_CASE								=      SIUnit.get_positive() if value > 0 else SIUnit.get_negative()
       for name_prefix, value_prefix in prefixes.items():
              __SCREAMING_SNAKE_CASE								=      value / (10**value_prefix)
              if numerical_part > 1:
                     return f"""{numerical_part!s} {name_prefix}"""
       return str(a__     )






def 			__lowercase     (				a__     )       ->				str:
       for prefix in BinaryUnit:
              __SCREAMING_SNAKE_CASE								=      value / (2**prefix.value)
              if numerical_part > 1:
                     return f"""{numerical_part!s} {prefix.name}"""
       return str(a__     )


if __name__ == "__main__":
   import doctest

   doctest.testmod()











from __future__ import annotations

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

class      UpperCAmelCase_						:

						'''simple docstring'''




						UpperCamelCase__    :				List[str]       						=						('''_front''', '''_back''', '''_len''')

						@dataclass
						class      UpperCAmelCase_						:

												'''simple docstring'''




												UpperCamelCase__    :				Any       						=						None
												UpperCamelCase__    :				Deque._Node | None       						=						None
												UpperCamelCase__    :				Deque._Node | None       						=						None







						class      UpperCAmelCase_						:

												'''simple docstring'''




												UpperCamelCase__    :				Optional[int]       						=						('''_cur''',)






												def __init__(					self   ,							_A	):







																			'''simple docstring'''

																			__SCREAMING_SNAKE_CASE								=      cur






												def __iter__(					self	):







																			'''simple docstring'''

																			return self






												def  _A			(					self	):







																			'''simple docstring'''

																			if self._cur is None:
																										# finished iterating
																										raise StopIteration
																			__SCREAMING_SNAKE_CASE								=      self._cur.val
																			__SCREAMING_SNAKE_CASE								=      self._cur.next_node

																			return val







						def __init__(					self   ,							_A = None	):







													'''simple docstring'''

													__SCREAMING_SNAKE_CASE								=      None
													__SCREAMING_SNAKE_CASE								=      None
													__SCREAMING_SNAKE_CASE								=      0

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






						def  _A			(					self   ,							_A	):







													'''simple docstring'''

													__SCREAMING_SNAKE_CASE								=      self._Node(_A   ,							_A   ,							_A	)
													if self.is_empty():
																				# front = back
																				__SCREAMING_SNAKE_CASE								=      __SCREAMING_SNAKE_CASE								=      node
																				__SCREAMING_SNAKE_CASE								=      1
													else:
																				# connect nodes
																				__SCREAMING_SNAKE_CASE								=      node
																				__SCREAMING_SNAKE_CASE								=      self._back
																				__SCREAMING_SNAKE_CASE								=      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   ,							_A	):







													'''simple docstring'''

													__SCREAMING_SNAKE_CASE								=      self._Node(_A   ,							_A   ,							_A	)
													if self.is_empty():
																				# front = back
																				__SCREAMING_SNAKE_CASE								=      __SCREAMING_SNAKE_CASE								=      node
																				__SCREAMING_SNAKE_CASE								=      1
													else:
																				# connect nodes
																				__SCREAMING_SNAKE_CASE								=      self._front
																				__SCREAMING_SNAKE_CASE								=      node
																				__SCREAMING_SNAKE_CASE								=      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   ,							_A	):







													'''simple docstring'''

													for val in iterable:
																				self.append(_A	)






						def  _A			(					self   ,							_A	):







													'''simple docstring'''

													for val in iterable:
																				self.appendleft(_A	)






						def  _A			(					self	):







													'''simple docstring'''

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

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

													self._len -= 1

													return topop.val






						def  _A			(					self	):







													'''simple docstring'''

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

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

													self._len -= 1

													return topop.val






						def  _A			(					self	):







													'''simple docstring'''

													return self._front is None






						def __len__(					self	):







													'''simple docstring'''

													return self._len






						def __eq__(					self   ,							_A	):







													'''simple docstring'''

													if not isinstance(_A   ,							_A	):
																				return NotImplemented

													__SCREAMING_SNAKE_CASE								=      self._front
													__SCREAMING_SNAKE_CASE								=      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								=      me.next_node
																				__SCREAMING_SNAKE_CASE								=      oth.next_node

													return True






						def __iter__(					self	):







													'''simple docstring'''

													return Deque._Iterator(self._front	)






						def __repr__(					self	):







													'''simple docstring'''

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

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


if __name__ == "__main__":
			import doctest

			doctest.testmod()






