# Using dataclasses.dataclass with frozen=True, define class Point with fields x: int and y: int

Canonical URL: <https://datadriven.io/problems/using-dataclassesdataclass-with-frozentrue-define-class-p-60877bc6>

Domain: Python · Difficulty: medium

## Problem

Using dataclasses.dataclass with frozen=True, define class Point with fields x: int and y: int. Create p = Point(3, 4) and print p. A set containing p should be hashable because the class is frozen; print len({p, Point(3, 4), Point(5, 6)}).

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