def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  float )   ->       float:

				if edge <= 0 or not isinstance(UpperCAmelCase__  ,      UpperCAmelCase__ ):
								raise ValueError("Length must be a positive." )
				return 3 * ((25 + 10 * (5 ** (1 / 2))) ** (1 / 2)) * (edge**2)

def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  float )   ->       float:

				if edge <= 0 or not isinstance(UpperCAmelCase__  ,      UpperCAmelCase__ ):
								raise ValueError("Length must be a positive." )
				return ((15 + (7 * (5 ** (1 / 2)))) / 4) * (edge**3)


if __name__ == "__main__":
					import doctest

					doctest.testmod()





def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  str  ,      lowerCAmelCase:  str )   ->       int:
				if len(lowerCAmelCase ) != len(lowerCAmelCase ):
								raise ValueError("String lengths must match!" )

				_UpperCAmelCase       :		List[Any] 		=    0

				for chara, chara in zip(lowerCAmelCase  ,      lowerCAmelCase ):
								if chara != chara:
												count += 1

				return count


if __name__ == "__main__":
					import doctest

					doctest.testmod()


