from enum import Enum class UnitArea(str, Enum): """ The valid types of area units. """ # noqa: E501 """# Square centimeters """ # noqa: E501 CM2 = 'cm2' """# Square decimeters """ # noqa: E501 DM2 = 'dm2' """# Square feet """ # noqa: E501 FT2 = 'ft2' """# Square inches """ # noqa: E501 IN2 = 'in2' """# Square kilometers """ # noqa: E501 KM2 = 'km2' """# Square meters """ # noqa: E501 M2 = 'm2' """# Square millimeters """ # noqa: E501 MM2 = 'mm2' """# Square yards """ # noqa: E501 YD2 = 'yd2' def __str__(self) -> str: return str(self.value)