The author’s website, Refactoring.Guru, offers a companion experience to the PDF that is highly interactive. The Value of Supporting the Author
Lets you produce families of related objects without specifying their concrete classes.
I can provide a highly tailored code example or point you directly to the best repository for your stack! Share public link
A comprehensive collection of design patterns written in pure Python.
Implement an pattern by simulating a stock market ticker notifying investors.
These patterns deal with object creation mechanisms. They try to create objects in a manner suitable to the situation, preventing direct object instantiation (which can lead to tightly coupled code).
If you are looking for the content without the PDF, you can find the vast majority of the book's material for free directly on the web: