

def       __snake_case						( __UpperCamelCase	: int = 100    ):



      """simple docstring"""

      A_						  =				n * (n + 1) * (2 * n + 1) / 6
      A_						  =				(n * (n + 1) / 2) ** 2
      return int(square_of_sum - sum_of_squares    )


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





'''simple docstring'''
import numpy as np





def 			lowerCamelCase(							SCREAMING_SNAKE_CASE_     )		->		np.array:
			return 1 / (1 + np.exp(-vector     ))





def 			lowerCamelCase(							SCREAMING_SNAKE_CASE_     )		->		np.array:
			return vector * sigmoid(1.702 * vector     )


if __name__ == "__main__":
							import doctest

							doctest.testmod()




