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48. Dataclasses

The dataclasses module provides a decorator and functions for generating special methods in classes automatically.

Example​

from dataclasses import dataclass

@dataclass
class Point:
    x: int
    y: int

p = Point(1, 2)
print(p)

Benefits​

  • Reduces boilerplate
  • Auto-generates __init__, __repr__, __eq__

Wrap-Up​

Use dataclasses for simple classes storing data.