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PEP 827 – Type Manipulation PEP 827 – Type Manipulation Author: Michael J. Sullivan <sully at vercel.com>, Daniel W. Park <daniel.park at vercel.com>, Yury Selivanov <yury at vercel.com> Discussions-To: Discourse thread Status: Draft Type: Standards Track Topic: Typing Created: 27-Feb-2026 Python-Version: 3.15 Post-History: 02-Mar-2026 Table of Contents Abstract Motivation Prisma-style ORMs Automa

PEP 750 – Template Strings Author: Jim Baker <jim.baker at python.org>, Guido van Rossum <guido at python.org>, Paul Everitt <pauleveritt at me.com>, Koudai Aono <koxudaxi at gmail.com>, Lysandros Nikolaou <lisandrosnik at gmail.com>, Dave Peck <davepeck at davepeck.org> Discussions-To: Discourse thread Status: Final Type: Standards Track Created: 08-Jul-2024 Python-Version: 3.14 Post-History: 09-

PEP 686 – Make UTF-8 mode default PEP 686 – Make UTF-8 mode default Author: Inada Naoki <songofacandy at gmail.com> Discussions-To: Discourse thread Status: Final Type: Standards Track Created: 18-Mar-2022 Python-Version: 3.15 Post-History: 18-Mar-2022, 31-Mar-2022 Resolution: Discourse message Table of Contents Abstract Motivation Specification Enable UTF-8 mode by default locale.getencoding() Fi

PEP 636 – Structural Pattern Matching: Tutorial Author: Daniel F Moisset <dfmoisset at gmail.com> Sponsor: Guido van Rossum <guido at python.org> BDFL-Delegate: Discussions-To: Python-Dev list Status: Final Type: Informational Created: 12-Sep-2020 Python-Version: 3.10 Post-History: 22-Oct-2020, 08-Feb-2021 Resolution: Python-Committers message Table of Contents Abstract Tutorial Matching sequences

PEP 20 – The Zen of Python Author: Tim Peters <tim.peters at gmail.com> Status: Active Type: Informational Created: 19-Aug-2004 Post-History: 22-Aug-2004 Table of Contents Abstract The Zen of Python Easter Egg References Copyright Abstract Long time Pythoneer Tim Peters succinctly channels the BDFL’s guiding principles for Python’s design into 20 aphorisms, only 19 of which have been written down.

PEP 703 – Making the Global Interpreter Lock Optional in CPython Author: Sam Gross <colesbury at gmail.com> Sponsor: Łukasz Langa <lukasz at python.org> Discussions-To: Discourse thread Status: Accepted Type: Standards Track Created: 09-Jan-2023 Python-Version: 3.13 Post-History: 09-Jan-2023, 04-May-2023 Resolution: 24-Oct-2023 Table of Contents Abstract Motivation The GIL Makes Many Types of Para

PEP 8 – Style Guide for Python Code PEP 8 – Style Guide for Python Code Author: Guido van Rossum <guido at python.org>, Barry Warsaw <barry at python.org>, Alyssa Coghlan <ncoghlan at gmail.com> Status: Active Type: Process Created: 05-Jul-2001 Post-History: 05-Jul-2001, 01-Aug-2013 Table of Contents Introduction A Foolish Consistency is the Hobgoblin of Little Minds Code Lay-out Indentation Tabs

PEP 249 – Python Database API Specification v2.0 PEP 249 – Python Database API Specification v2.0 Author: Marc-André Lemburg <mal at lemburg.com> Discussions-To: Db-SIG list Status: Final Type: Informational Created: 12-Apr-1999 Post-History: Replaces: 248 Table of Contents Introduction Module Interface Constructors Globals Exceptions Connection Objects Connection methods Cursor Objects Cursor att

PEP 594 – Removing dead batteries from the standard library Author: Christian Heimes <christian at python.org>, Brett Cannon <brett at python.org> Discussions-To: Discourse thread Status: Final Type: Standards Track Created: 20-May-2019 Python-Version: 3.11 Post-History: 21-May-2019, 04-Feb-2022 Resolution: Discourse message Table of Contents Abstract Rationale Deprecation schedule 3.11 3.12 3.13