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Chapter Summary
This chapter presented a handful of advanced class-related topics, including subclassing built-in types, new-style classes, static methods, and decorators. Most of these are optional extensions to the OOP model in Python, but they may become more useful as you start writing larger object-oriented programs. As mentioned earlier, our discussion of some of the more advanced class tools continues in the final part of this book; be sure to look ahead if you need more details on properties, descriptors, decorators, and metaclasses.
This is the end of the class part of this book, so you’ll find the usual lab exercises at the end of the chapter—be sure to work through them to get some practice coding real classes. In the next chapter, we’ll begin our look at our last core language topic, exceptions. Exceptions are Python’s mechanism for communicating errors and other conditions to your code. This is a relatively lightweight topic, but I’ve saved it for last because exceptions are supposed to be coded as classes today. Before we tackle that final core subject, though, take a look at this chapter’s quiz and the lab exercises.
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