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Naturally, there’s much more to the decorator and metaclass stories than I’ve shown here. Although they are a general mechanism, decorators and metaclasses are advanced features of interest primarily to tool writers, not application programmers, so we’ll defer additional coverage until the final part of this book:

 

Chapter 37 shows how to code properties using function decorator syntax.Chapter 38 has much more on decorators, including more comprehensive examples.Chapter 39 covers metaclasses, and more on the class and instance management story.

Although these chapters cover advanced topics, they’ll also provide us with a chance to see Python at work in more substantial examples than much of the rest of the book was able to provide.