Use of @property decorator

[ruy]

Hi there,

I've noticed that when using the @property and @attribute_name.setter decorators all the examples I've found on the net always use an underscore before the variable name, even if in the __init__ they haven't. I tried to not use the underscore before the variable name and it doesn't work. Just wondring why?

Example code (temperature used in __init__ and _temperature in decorated methods)

# Using @property decorator
class Celsius:
    def __init__(self, temperature=0):
        self.temperature = temperature

    def to_fahrenheit(self):
        return (self.temperature * 1.8) + 32

    @property
    def temperature(self):
        print("Getting value...")
        return self._temperature

    @temperature.setter
    def temperature(self, value):
        print("Setting value...")
        if value < -273.15:
            raise ValueError("Temperature below -273 is not possible")
        self._temperature = value

Thanks a lot