Packt Publishing

"Explicit is better than implicit."

In this example, we factored the __init__() method into the superclass so that a common initialization in the superclass, Card, applies to all the three subclasses NumberCard, AceCard, and FaceCard.

A small domain of static objects may be part of implementing a Strategy or State design pattern.
In some cases, we may have a pool of constant objects created in an initialization or configuration file, or we might create constant objects based on command-line parameters.