





'''simple docstring'''


def 							UpperCAmelCase_  (						__lowerCamelCase					:					str ):
   return [
       txt[:a] + txt[a].upper() + txt[a + 1 :]
       for a in range(len(__lowerCamelCase ) )
       if txt[a].isalpha()
   ]


if __name__ == "__main__":
 __import__('''doctest''').testmod()









'''simple docstring'''


def 							UpperCAmelCase_  (						__lowerCamelCase					:					int = 1_00 ):
   lowercase_			:Tuple    			= n * (n + 1) * (2 * n + 1) / 6
   lowercase_			:List[str]    			= (n * (n + 1) / 2) ** 2
   return int(square_of_sum - sum_of_squares )


if __name__ == "__main__":
 print(F'''{solution() = }''')


