Common Pitfalls and Best Practices in Python Programming

AI can now generate exquisite images.

Further Reading & Original Articles
If you are interested in the original Chinese versions of this article, you can find them here:

• Common Python Anti-Patterns
• Python Comprehensions and the Walrus Operator

This article was translated from Chinese to English with the help of GPT. If you’d like to follow more of my technical insights, feel free to visit my blog: Jed’s Software Blog 🚀

This article delves into several common pitfalls that one may encounter in Python programming and provides concrete best practices and suggestions for improvement. It mainly covers the following four areas:

1. Issues with Using Mutable Objects as Default Values in Functions
2. Considerations When Using the all() Function to Check the State of Mutable Objects
3. Usage and Readability Concerns of Comprehensions (List Comprehensions)
4. Pitfalls with Parentheses in Assignment Expressions (Walrus Operator)

1. Using Mutable Objects as Default Values in Functions

In Python, do not directly use mutable objects (such as lists, dictionaries, etc.) as default parameters for functions. These default…