Summary

Well done making it this far! This might be the most confusing material of the whole course, so give yourself a pat on the back and don’t be afraid of revisiting these concepts from time to time. After going through this section, you should know that

• you can use standard function syntax to enable your decorator to accept optional arguments;

• decorators that accept arguments can be written in a very flexible way that allows users to use them without even calling the decorator factory; and

• the built-in callable is very useful in distinguishing function arguments from other argument types.

Now, it is time for you to learn about the ways in which decorators can be used with classes!

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