Design and Guidance: Object-Oriented Programming in Python

Writing good object-oriented code is about more than just how to write the
syntax. Knowing when and when not to use it, as well as guiding principles
behind object-oriented design will help you write better code.

In this course, you’ll learn about:

• The objected-oriented approach in Python vs other languages
• Cases in which you shouldn’t use classes in Python
• Alternatives to inheritance in structuring your code
• The SOLID principles for improving your code

SOLID is an acronym for five principles that you should use when thinking about
object-oriented code. The principles are:

• The Single-Responsibility Principle (SRP)
• The Open-Closed Principle (OCP)
• The Liskov Substitution Principle (LSP)
• The Interface Segregation Principle (ISP)
• The Dependency Inversion Principle (DIP)

This course is the third in a three-part series. Part one is an introduction
to class syntax, where you learn how to write a class and use its attributes and
methods. Part two is about inheritance and class internals.

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