Unverified50% confidenceFactExact time
Python's typing.Protocol was introduced in version 3.8 for implementing structural subtyping.
1
Sources
50%
Confidence
Long-term
Relevance
10/4/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedPython 3.10 introduced the match statement (structural pattern matching), and 3.12 introduced simplified generic syntax.75% similarUnverifiedPython 3.15 list comprehensions and dictionary comprehensions support the use of unpacking syntax to flatten nested lists.72% similarUnverifiedIn Python 3.15, TypedDict supports declaring the type of extra items, and a new TypeForm aimed at library authors has been added.70% similarUnverified推荐使用Python 3.10及以上版本运行LangGraph，因其大量使用TypedDict、Annotated等类型注解特性69% similarUnverifiedPython's asyncio is a standard library introduced in Python 3.4.68% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/973835API
curl https://kongchang.com/api/v1/knowledge/claims/973835MCP
get_claim(id=973835)