Unverified50% confidenceFactExact time

在 CPython 实现中，对象的身份就是其在内存中的地址，即 id() 的返回值

1

Sources

50%

Confidence

Long-term

Relevance

8/13/2026

First Seen

Sources

Python 3.15 Sentinel Objects Explained: How PEP 661 Solves the None Ambiguity Problem

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