Python Dataclasses: A Complete Guide to Boilerplate‑Free Objects

September 27, 2025

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A dataclass in Python is a way to store and organize related values in a structured, reusable way. But don’t we already have dictionaries, variables and classes to do that in Python? Why do we need a dataclass?

Introduction

Here’s the difference:

A variable holds a single value (person = “Jessica”).
A dictionary holds multiple related values in a key-value format (person = {"name": "Jessica", "age": 30, "email": "jessica@example.com"}) and is good for ad hoc or single-use data.
A class defines a blueprint for objects that can hold…

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The New Stack

Python Dataclasses: A Complete Guide to Boilerplate‑Free Objects

September 27, 2025

, Published By The New Stack

Tech

Introduction

Here’s the difference:

A variable holds a single value (person = “Jessica”).
A dictionary holds multiple related values in a key-value format (person = {"name": "Jessica", "age": 30, "email": "jessica@example.com"}) and is good for ad hoc or single-use data.
A class defines a blueprint for objects that can hold…

Source link