

from typing import Literal

__A	:   int	=					'ABCDEFGHIJKLMNOPQRSTUVWXYZ'




def        __UpperCamelCase     (      _A					:							str      ,  _A					:							str      ,  _A					:							Literal["encrypt", "decrypt"]		)				->Optional[Any]:



							"""simple docstring"""
							lowerCamelCase_								=LETTERS if mode == "decrypt" else key
							lowerCamelCase_								=key if mode == "decrypt" else LETTERS
							lowerCamelCase_								=""
							# loop through each symbol in the message
							for symbol in message:
														if symbol.upper() in chars_a:
																					# encrypt/decrypt the symbol
																					lowerCamelCase_								=chars_a.find(symbol.upper()		)
																					if symbol.isupper():
																												translated += chars_b[sym_index].upper()
																					else:
																												translated += chars_b[sym_index].lower()
														else:
																					# symbol is not in LETTERS, just add it
																					translated += symbol
							return translated




def        __UpperCamelCase     (      _A					:							str      ,  _A					:							str		)				->Union[str, Any]:



							"""simple docstring"""
							return translate_message(__lowerCamelCase      ,  __lowerCamelCase      ,  """encrypt"""		)




def        __UpperCamelCase     (      _A					:							str      ,  _A					:							str		)				->Optional[int]:



							"""simple docstring"""
							return translate_message(__lowerCamelCase      ,  __lowerCamelCase      ,  """decrypt"""		)




def        __UpperCamelCase     (      )				->Any:



							"""simple docstring"""
							lowerCamelCase_								="Hello World"
							lowerCamelCase_								="QWERTYUIOPASDFGHJKLZXCVBNM"
							lowerCamelCase_								="decrypt"  # set to 'encrypt' or 'decrypt'

							if mode == "encrypt":
														lowerCamelCase_								=encrypt_message(__lowerCamelCase      ,  __lowerCamelCase		)
							elif mode == "decrypt":
														lowerCamelCase_								=decrypt_message(__lowerCamelCase      ,  __lowerCamelCase		)
							print(f'Using the key {key}, the {mode}ed message is: {translated}'		)


if __name__ == "__main__":
	import doctest

	doctest.testmod()
	main()





from __future__ import annotations

from collections.abc import Iterable, Iterator
from typing import Any, Generic, TypeVar

_lowerCamelCase         =	TypeVar("""T""", bound=bool)

class    _SCREAMING_SNAKE_CASE						(Generic[T]			):





     def __init__(							self			:				List[Any]  ,	UpperCamelCase			:				T					)->None:
      __SCREAMING_SNAKE_CASE							:     T							=						value
      __SCREAMING_SNAKE_CASE							:     SkewNode[T] | None							=						None
      __SCREAMING_SNAKE_CASE							:     SkewNode[T] | None							=						None





     @property
     def 						__snake_case     (							self			:				Dict					)->T:
      return self._value






     @staticmethod
     def 						__snake_case     (							UpperCamelCase			:				SkewNode[T] | None  ,	UpperCamelCase			:				SkewNode[T] | None					)->SkewNode[T] | None:
      if not roota:
       return roota

      if not roota:
       return roota

      if roota.value > roota.value:
       __SCREAMING_SNAKE_CASE,		__SCREAMING_SNAKE_CASE							:     List[Any]							=						roota, roota

      __SCREAMING_SNAKE_CASE							:     int							=						roota
      __SCREAMING_SNAKE_CASE							:     str							=						roota.right
      __SCREAMING_SNAKE_CASE							:     int							=						roota.left
      __SCREAMING_SNAKE_CASE							:     Optional[int]							=						SkewNode.merge(UpperCamelCase  ,	UpperCamelCase					)

      return result






class    _SCREAMING_SNAKE_CASE						(Generic[T]			):





     def __init__(							self			:				str  ,	UpperCamelCase			:				Iterable[T] | None = ()					)->None:
      __SCREAMING_SNAKE_CASE							:     SkewNode[T] | None							=						None
      if data:
       for item in data:
        self.insert(UpperCamelCase					)





     def __bool__(							self			:				str					)->bool:
      return self._root is not None





     def __iter__(							self			:				Any					)->Iterator[T]:
      __SCREAMING_SNAKE_CASE							:     list[Any]							=						[]
      while self:
       result.append(self.pop()					)

      # Pushing items back to the heap not to clear it.
      for item in result:
       self.insert(UpperCamelCase					)

      return iter(UpperCamelCase					)





     def 						__snake_case     (							self			:				List[Any]  ,	UpperCamelCase			:				T					)->None:
      __SCREAMING_SNAKE_CASE							:     str							=						SkewNode.merge(self._root  ,	SkewNode(UpperCamelCase					)					)





     def 						__snake_case     (							self			:				List[Any]					)->T | None:
      __SCREAMING_SNAKE_CASE							:     Any							=						self.top()
      __SCREAMING_SNAKE_CASE							:     List[Any]							=						(
          SkewNode.merge(self._root.left  ,	self._root.right					) if self._root else None
      )

      return result





     def 						__snake_case     (							self			:				Optional[int]					)->T:
      if not self._root:
       raise IndexError("Can't get top element for the empty heap."					)
      return self._root.value






     def 						__snake_case     (							self			:				Dict					)->None:
      __SCREAMING_SNAKE_CASE							:     Optional[Any]							=						None


if __name__ == "__main__":
      import doctest

      doctest.testmod()






