Real Python: Quiz: Python Inner Functions: What Are They Good For?

In this quiz, you’ll test your understanding of thePython Inner Functions: What Are They Good For?tutorial.

By working through this quiz, you’ll revisit how inner functions work with enclosing scopes, when to usenonlocalto update captured state, how closures retain data across calls, and how decorators wrap a callable to extend behavior.

You’ll apply these ideas to organize helpers, reuse state, and write clear, maintainable functions in real projects.

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https://realpython.com/quizzes/inner-functions-what-are-they-good-for/