HTTP/2 301 server: nginx content-type: text/html location: https://docs.python.org/release/2.5.3/ x-clacks-overhead: GNU Terry Pratchett strict-transport-security: max-age=315360000; includeSubDomains; preload via: 1.1 varnish, 1.1 varnish accept-ranges: bytes age: 0 date: Fri, 26 Dec 2025 09:45:27 GMT x-served-by: cache-lga21941-LGA, cache-bom-vanm7210070-BOM x-cache: MISS, MISS x-cache-hits: 0, 0 x-timer: S1766742328.552781,VS0,VE210 content-length: 162 HTTP/2 200 server: nginx content-type: text/html last-modified: Thu, 14 Feb 2019 11:45:56 GMT etag: "5c6554f4-1169" x-clacks-overhead: GNU Terry Pratchett strict-transport-security: max-age=315360000; includeSubDomains; preload content-encoding: gzip via: 1.1 varnish, 1.1 varnish accept-ranges: bytes age: 116811 date: Fri, 26 Dec 2025 09:45:28 GMT x-served-by: cache-lga21963-LGA, cache-bom-vanm7210070-BOM x-cache: HIT, HIT x-cache-hits: 2, 0 x-timer: S1766742328.792185,VS0,VE211 vary: Accept-Encoding content-length: 1344

Tutorial (start here)	What's New in Python (changes since the last major release)
Global Module Index (for quick access to all documentation) Library Reference (keep this under your pillow) Macintosh Module Reference (this too, if you use a Macintosh) Installing Python Modules (for administrators) Distributing Python Modules (for developers and packagers)	Language Reference (for language lawyers) Extending and Embedding (tutorial for C/C++ programmers) Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors)
Documentation Central (for everyone)	Python How-To Guides (special topics)

---

See About the Python Documentation for information on suggesting changes.