I am stunned that no-one has mentioned that properties are bound methods of a descriptor class, Adam Donohue and NeilenMarais get at particularly this concept of their posts -- that getters and setters are functions and can be used to: MaartenMaarten 23k33 gold badges5151 silver badges6969 bronze badges Increase a https://share.evernote.com/note/af6d420e-c0be-17be-4129-1eac6170b1fe