Unverified50% confidenceFactExact time
PEP 484 provides tools such as typing.Literal, typing.Final and typing.TypeGuard to describe special values.
1
Sources
50%
Confidence
Long-term
Relevance
10/22/2026
First Seen
Sources
Python 3.15 New Feature: Is the sentinel Type Better Than None?
youtubeNeuralNine10/22/2026
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