
'''simple docstring'''







def 				_snake_case (		lowercase			,    lowercase						)       ->       set:
				assert isinstance(lowercase			,    lowercase						), F"""The input value of [set_a={set_a}] is not a set"""
				assert isinstance(lowercase			,    lowercase						), 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 				_snake_case (		lowercase						)       ->       int:
				if not isinstance(lowercase			,    lowercase						):
								__a       :     Union[str, Any]								=	F"""Input value of [number={number}] must be an integer"""
								raise TypeError(lowercase						)
				if number < 1:
								raise ValueError("""Input must be a positive integer"""						)
				return number * (2 * number - 1)


if __name__ == "__main__":
					import doctest

					doctest.testmod()