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OOP & classes

Classes, instances, methods, dataclasses, and object-oriented design in Python.

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OOP & classes easy

How to Implement Rich Comparison Ordering in Python Classes

This code demonstrates how to implement rich comparison operators (like <, <=, >, >=, ==, !=) in a Python class by defining __lt__ and __eq__, enabling sorting and ordering of custom objects.

rich comparison sorting operators
Python 
class Task:
    def __init__(self, priority, name):
        self.priority = priority
        self.name = name

    def __lt__(self, other):
        if not isinstance(other, Task):
            return NotImplemented
        return self.priority < other.priority

    def __eq__(self, other):
        if not isinstance(oth…
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