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Essential Design Patterns in Python
Design patterns are proven solutions to common software design problems. They represent best practices developed over years and across various domains of software development. These patterns act as reusable templates, helping developers address recurring challenges while maintaining clarity, scalability, and flexibility in their code.
For example, have you ever wondered how to ensure only one instance of a class exists in your program? Or how to dynamically modify an object’s behavior without altering its structure? Design patterns provide standardized approaches to solve such problems effectively.
In this article, we’ll explore four widely-used design patterns in Python: singleton, factory, decorator and strategy. For each pattern, we’ll cover its definition, practical use cases, Python implementation, and best practices. By the end, you’ll have a solid understanding of how these patterns can improve the elegance, efficiency, and maintainability of your Python applications.
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