Property Setter

class Temperature:
    def __init__(self, celsius: float):
        self.celsius = celsius

    @property
    def celsius(self) -> float:
        return self._celsius

    @celsius.setter
    def celsius(self, value: float) -> None:
        if value < -273.15:
            raise ValueError('below absolute zero')
        self._celsius = value

t = Temperature(25)
print(t.celsius)