"""Expand on your Circle class by enabling the comparison of Circle objects using operators such as <, >, >=, <=, ==, and !=, where one Circle is considered "larger" than another if it is in fact larger (i.e., has greater area) the other Circle. The following code: Should generate this output:

You're comparing the type of the class object, which are all of type 'type'. If you just want to compare the classes, compare them directly: In addition to the other answers : Python uses the concept of metaclasses, which are basically "classes of classes".

Aug 2, 2011 · To make classes comparable, you only need to implement __lt__ and decorate the class with functools.total_ordering. You should also provide an __eq__ method if possible. This provides the rest of the comparison operators so you don't have to write any of them yourself.

Aug 24, 2023 · When working with instances of a class, programmers often make comparisons between objects. If you have two instances of the same class, are they “equal”? What criteria is used to determine if they’re equal or not? Is one object “greater than” or “less than” another?

Mar 31, 2022 · Pretty often you’d want to make instances of a user-defined class comparable. Suppose you need to test that your function returns the correct value. If that value happens to be an object of some...

Learn about __eq__ , __lq__ and __le__ methods for comparison within Python classes.

Learn how to easily compare two classes in Python by their types or class names with clear examples and best practices.

May 16, 2024 · Customizing comparison methods like this allows for more flexible control over how objects are compared in Python. It also provides the ability to define custom behavior for the >= operator within the context of your class.

You’d like to be able to compare instances of your class using the standard comparison operators (e.g., >=, !=, <=, etc.), but without having to write a lot of special methods. Python classes can support comparison by implementing a special method for each comparison operator.

When writing custom classes it is often important to allow equivalence by means of the == and != operators. In Python, this is made possible by implementing the __eq__ and __ne__ special methods, respectively. The easiest way I've found to do this is the following method: def __init__(self, item): self.item = item. def __eq__(self, other):