"""simple docstring"""






def SCREAMING_SNAKE_CASE__    (     __UpperCAmelCase ,					__UpperCAmelCase				)						->						set:
   assert isinstance(__UpperCAmelCase ,					__UpperCAmelCase				), F"""The input value of [set_a={set_a}] is not a set"""
   assert isinstance(__UpperCAmelCase ,					__UpperCAmelCase				), F"""The input value of [set_b={set_b}] is not a set"""

   return {a + b for a in set_a for b in set_b}


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

       testmod()

"""simple docstring"""






def SCREAMING_SNAKE_CASE__    (     __UpperCAmelCase				)						->						int:
   if not isinstance(__UpperCAmelCase ,					__UpperCAmelCase				):
      lowercase__:     Optional[int]      =   F"""Input value of [number={number}] must be an integer"""
      raise TypeError(__UpperCAmelCase				)
   if number < 1:
      raise ValueError('''Input must be a positive integer'''				)
   return number * (2 * number - 1)


if __name__ == "__main__":
       import doctest

       doctest.testmod()
