

def     lowerCAmelCase__							(		SCREAMING_SNAKE_CASE_:							Optional[int] = 1_0_0					)	->					int:




				'''simple docstring'''





				A__						=	0
				A__						=	0
				for i in range(1		,				n + 1					):
								sum_of_squares += i**2
								sum_of_ints += i
				return sum_of_ints**2 - sum_of_squares


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





from __future__ import annotations




def    snake_case_     (  snake_case			,							snake_case     )  ->				list[int]:
       lowercase__:   List[str]  			=   0
       lowercase__:   Dict  			=   len(snake_case     ) - 1

       while i < j:
              if nums[i] + nums[j] == target:
                     return [i, j]
              elif nums[i] + nums[j] < target:
                     lowercase__:   Dict  			=   i + 1
              else:
                     lowercase__:   List[Any]  			=   j - 1

       return []


if __name__ == "__main__":
 import doctest

 doctest.testmod()
 print(F'''{two_pointer([2, 7, 11, 15], 9) = }''')


