Unverified50% confidenceFactExact time
Python 3.8 introduced typing.Protocol, enabling the ability to implicitly satisfy protocols to be recognized by static type checkers such as mypy and pyright.
1
Sources
50%
Confidence
Long-term
Relevance
10/9/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedPython 3.5 introduced Type Hints, which do not affect runtime behavior and can be used with static checking tools such as mypy to catch type errors during development.80% similarUnverifiedThe Python community has in recent years been pushing hard for type annotations and static type checking tools such as mypy and Pyright, moving closer to the engineering rigor of C#.78% similarUnverifiedPython 3.15 has a built-in dedicated sentinel type that supports a readable string representation, preserves identity on copy, supports pickling at module scope, and can be used in type expressions.76% similarUnverifiedPython 的类型注解在运行时可通过 __annotations__ 属性访问，配合 Pydantic 库可实现运行时数据校验74% similarUnverifiedPython's typing.Protocol was introduced in version 3.8 for implementing structural subtyping.74% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/992432API
curl https://kongchang.com/api/v1/knowledge/claims/992432MCP
get_claim(id=992432)