



"""simple docstring"""





def 						__UpperCAmelCase       (							snake_case_	:	Optional[Any] )				->						Tuple:






   """simple docstring"""


   assert column_title.isupper()
   _lowerCAmelCase         =		0
   _lowerCAmelCase         =		len(__A ) - 1
   _lowerCAmelCase         =		0

   while index >= 0:
      _lowerCAmelCase         =		(ord(column_title[index] ) - 64) * pow(26 ,						__A )
      answer += value
      power += 1
      index -= 1

   return answer


if __name__ == "__main__":
  from doctest import testmod

  testmod()




'''simple docstring'''





from __future__ import annotations




def lowerCAmelCase    (__A):



     """simple docstring"""



     return len(set(__A)) == len(__A)


if __name__ == "__main__":
  import doctest

  doctest.testmod()



