from enum import Enum class UnitVolumeFormat(str, Enum): CUBIC_METER = 'cubic_meter' CUBIC_CENTIMETER = 'cubic_centimeter' CUBIC_MILLIMETER = 'cubic_millimeter' CUBIC_KILOMETER = 'cubic_kilometer' LITER = 'liter' CUBIC_INCH = 'cubic_inch' CUBIC_FOOT = 'cubic_foot' CUBIC_YARD = 'cubic_yard' CUBIC_MILE = 'cubic_mile' GALLON = 'gallon' QUART = 'quart' PINT = 'pint' CUP = 'cup' FLUID_OUNCE = 'fluid_ounce' BARREL = 'barrel' BUSHEL = 'bushel' CORD = 'cord' CUBIC_FATHOM = 'cubic_fathom' TABLESPOON = 'tablespoon' TEASPOON = 'teaspoon' PINCH = 'pinch' DASH = 'dash' DROP = 'drop' FIFTH = 'fifth' DRAM = 'dram' GILL = 'gill' PECK = 'peck' SACK = 'sack' SHOT = 'shot' STRIKE = 'strike' def __str__(self) -> str: return str(self.value)