Learn to Use @dataclass (Python 3.7)

Sat, 17 Aug 2024 14:22:14 +0800

Intro

I like Python’s tuple, which allows us to quickly bundle together values of different types as a single entity and manage them in an intuitive and easy-to-use way. However, I find that once the tuple has many fields, I’m forced to add a comment to indicate the meaning of each field. For example,

Walrus Operator (Python 3.8)

Sat, 29 Oct 2022 23:36:12 +0800

Intro

Today, I would like to share a neat introduced in Python3.8 - the walrus operator. It sparked quite a bit of discussion before ultimately being accepted. 🤔️

The power of the walrus operator lies in turning an assignment statement into an assignment expression. You may be wondering: what exactly is the difference between a statement and an expression?

Expression vs Statement

In programming languages, you may encounter many different constructs. Broadly, they can be divided into two categories - expressions and statements. An expression is evaluated and produces a value, whereas a statement performs an action and does not return anything.

Programming Language Feature - Tag - MartinLwx's Blog

Learn to Use @dataclass (Python 3.7)

Intro

Walrus Operator (Python 3.8)

Intro

Expression vs Statement