Unverified50% confidenceFactExact time
Python 中每个对象都有三个基本属性：身份（identity）、类型（type）和值（value），身份在对象创建后不可更改，在 CPython 中即内存地址（id() 返回值）
1
Sources
50%
Confidence
Long-term
Relevance
8/13/2026
First Seen
Sources
Related Claims
Unverified在 CPython 中，object() 每次调用都会在堆上分配新对象并获得全局唯一的内存地址，两个不同 object() 实例通过 is 比较永远不会返回 True68% similarUnverifiedIn Python, classes (Class) are used to define templates for objects.66% similarUnverifiedIn Python everything is an object; integers, floating-point numbers, and strings are all objects in essence.63% similarVerifiedPython is a dynamically typed language; variable types do not need to be declared in advance but are determined by the value assigned to them.62% similarUnverifiedIn Python, everything is an object — even the integer 42 and the string 'hello' are object instances under the hood.62% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/742668API
curl https://kongchang.com/api/v1/knowledge/claims/742668MCP
get_claim(id=742668)