Class constants in python

In python, I want a class to have some “constants” (practically, variables) which will be common in all subclasses. Is there a way to do it with friendly syntax? Right now I use:

class Animal:
    SIZES=["Huge","Big","Medium","Small"]

class Horse(Animal):
    def printSize(self):
        print(Animal.SIZES[1])

and I’m wondering if there is a better way to do it or a way to do it without then having to write “Animal.” before the sizes. Horse inherits from Animal.

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