Python sentinel objects, type hints, and PEP 661

PEP 661 proposes adding a utility for defining sentinel values in the Python standard library. In this article, you’ll get a PEP 661 summary, learn what sentinel objects are (with real-world examples), how to use them with type hints, and a bit about why … Read more

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<p>This article introduces Python programming for beginners. If you are learning Python, this is a good starting resource.</p> <p>All of this article uses the Python interactive shell, it covers the a... (more…)

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