


import random
from typing import Any




def  a   (lowerCAmelCase__   ):
   for _ in range(len(lowerCAmelCase__   )   ):
      __a					=  random.randint(0		,				len(lowerCAmelCase__   ) - 1   )
      __a					=  random.randint(0		,				len(lowerCAmelCase__   ) - 1   )
      __a	,    __a					=  data[b], data[a]
   return data


if __name__ == "__main__":
  SCREAMING_SNAKE_CASE							    =							[0, 1, 2, 3, 4, 5, 6, 7]
  SCREAMING_SNAKE_CASE							    =							['python', 'says', 'hello', '!']
  print('Fisher-Yates Shuffle:')
  print('List', integers, strings)
  print('FY Shuffle', fisher_yates_shuffle(integers), fisher_yates_shuffle(strings))







'''simple docstring'''

def _SCREAMING_SNAKE_CASE (A = 1_000			)			->			int:






       """simple docstring"""







       return sum(2 * a * ((a - 1) // 2) for a in range(3    ,					n + 1			)			)


if __name__ == "__main__":
 print(solution())




