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  • Chris Kang thinks this is interesting:

This example uses the same name for the function passed to classmethod and for the attribute bound to classmethod’s result. This naming is not mandatory, but it’s a good idea, and we recommend that you always use it.

From

Cover of Python in a Nutshell, 3rd Edition

Note

Name of the classmethod and the attribute name that refers to the classmethod should following same name convention.