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Showing content from https://realpython.com/courses/interfaces-object-oriented-design-principles/ below:

Object-Oriented Design Principles – Real Python

Interfaces play an important role in software engineering. As an application grows, updates and changes to the code base become more difficult to manage. More often than not, you wind up having classes that look very similar but are unrelated, which can lead to some confusion. In this video course, you’ll see how you can use a Python interface to help determine what class you should use to tackle the current problem.

In this video course, you’ll be able to:

• Understand how interfaces work and the caveats of Python interface creation
• Comprehend how useful interfaces are in a dynamic language like Python
• Implement an informal Python interface
• Use abc.ABCMeta and @abc.abstractmethod to implement a formal Python interface

What’s Included:

• 7 Lessons
• Video Subtitles and Full Transcripts
• 2 Downloadable Resources
• Accompanying Text-Based Tutorial
• Interactive Quiz to Check Your Progress
• Q&A With Python Experts: Ask a Question
• Certificate of Completion

Downloadable Resources:

• Course Slides (.pdf)
• Sample Code (.zip)

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