Web Reference: 1 day ago · Source code: Lib/_collections_abc.py This module provides abstract base classes that can be used to test whether a class provides a particular interface; for example, whether it is hashable or whether it is a mapping. An issubclass() or isinstance() test for an interface works in one of three ways. Feb 29, 2016 · collections.abc provides a series of Abstract Base Classes for a container. This module provides abstract base classes that can be used to test whether a class provides a particular interface; for example, whether it is hashable or whether it is a mapping. In this tutorial, you'll learn the basic characteristics and operations of Python mappings. You'll explore the abstract base classes Mapping and MutableMapping and create a custom mapping.
YouTube Excerpt: Learn your ABCs! That's Abstract Base Classes, by the way.
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