'''simple docstring'''


from __future__ import annotations


def    _lowerCamelCase       ( lowerCamelCase_   :				list  ):



     """simple docstring"""





     UpperCAmelCase_				:  Union[str, Any]  = sorted(_SCREAMING_SNAKE_CASE  )
     UpperCAmelCase_				:  Optional[Any]  = len(_SCREAMING_SNAKE_CASE  )
     UpperCAmelCase_				:  Tuple  = length >> 1
     return (
         (sorted_list[mid_index] + sorted_list[mid_index - 1]) / 2
         if length % 2 == 0
         else sorted_list[mid_index]
     )


def    _lowerCamelCase       ( ):



     """simple docstring"""





     import doctest

     doctest.testmod()


if __name__ == "__main__":
 main()











def 				UpperCAmelCase__		(					_SCREAMING_SNAKE_CASE :						str					)->str:
      return " ".join(sorted(set(sentence.split()					)					)					)


if __name__ == "__main__":
    import doctest

    doctest.testmod()