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Dancing with Python

You're reading from   Dancing with Python Learn to code with Python and Quantum Computing

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Product type Paperback
Published in Aug 2021
Publisher Packt
ISBN-13 9781801077859
Length 744 pages
Edition 1st Edition
Languages
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Author (1):
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Robert S. Sutor Robert S. Sutor
Author Profile Icon Robert S. Sutor
Robert S. Sutor
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Table of Contents (29) Chapters Close

Preface 1. Chapter 1: Doing the Things That Coders Do FREE CHAPTER 2. Part I: Getting to Know Python
3. Chapter 2: Working with Expressions 4. Chapter 3: Collecting Things Together 5. Chapter 4: Stringing You Along 6. Chapter 5: Computing and Calculating 7. Chapter 6: Defining and Using Functions 8. Chapter 7: Organizing Objects into Classes 9. Chapter 8: Working with Files 10. PART II: Algorithms and Circuits
11. Chapter 9: Understanding Gates and Circuits 12. Chapter 10: Optimizing and Testing Your Code 13. Chapter 11: Searching for the Quantum Improvement 14. PART III: Advanced Features and Libraries
15. Chapter 12: Searching and Changing Text 16. Chapter 13: Creating Plots and Charts 17. Chapter 14: Analyzing Data 18. Chapter 15: Learning, Briefly 19. References
20. Other Books You May Enjoy
21. Index
Appendices
1. Appendix A: Tools 2. Appendix B: Staying Current 3. Appendix C: The Complete UniPoly Class
4. Appendix D: The Complete Guitar Class Hierarchy
5. Appendix E: Notices 6. Appendix F: Production Notes

10.5 Defining and using decorators

We’ve used Python decorators several times so far, but it’s time we learned how to code them ourselves. We saw the decorators

  • @abstractmethod in section 7.13.2 to indicate a method from an abstract base class that coders must override
  • @classmethod and @staticmethod in section 7.12 to define class and static methods
  • @property in section 7.5 to define properties from parameter-less class instance methods

Here’s the core idea with decorators: given a function my_function, I want to wrap it with additional code that calls my_function. I’m decorating the outside of my_function with extra capability. For extra credit, I want to use my_function to access my original code with the new decorations.

I’ll begin with a simple function that prints 100.

def one_hundred...
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