Magic bullets don’t exist in software development; instead, you rely on proven practices and methodologies. Among the better software design practices is the application of design patterns.

This design pattern is rather similar to Polymorphism, which I described first. In fact, just like before, we’ll use Python’s abstract-base class library to implement it.

In the software architecture as well as in the application design landscape, design patterns are among the fundamental building blocks. The concept of design patterns was introduced by Christopher ...