This PEP contains the index of all Python Enhancement Proposals, known as PEPs. PEP numbers are assigned by the PEP editors, and once assigned are never changed. The version …

Jul 5, 2001 · This document gives coding conventions for the Python code comprising the standard library in the main Python distribution. Please see the companion informational PEP …

Jun 13, 2000 · A PEP is a design document providing information to the Python community, or describing a new feature for Python or its processes or environment. The PEP should provide …

This PEP aims to provide a standard syntax for type annotations, opening up Python code to easier static analysis and refactoring, potential runtime type checking, and (perhaps, in some …

Feb 28, 2018 · Python already has a rule that subexpressions are generally evaluated from left to right. However, assignment expressions make these side effects more visible, and we propose …

Release PEPs Introduction This is the index of all Python Enhancement Proposals (PEPs) labelled under the ‘Release’ topic. This is a sub-index of PEP 0, the PEP index. A PEP is …

May 13, 2005 · This PEP adds a new statement “with” to the Python language to make it possible to factor out standard uses of try/finally statements.

Packaging PEPs Introduction This is the index of all Python Enhancement Proposals (PEPs) labelled under the ‘Packaging’ topic. This is a sub-index of PEP 0, the PEP index. Packaging …

Aug 19, 2004 · 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.

Nov 15, 2022 · This document proposes to lift some of the restrictions originally formulated in PEP 498 and to provide a formalized grammar for f-strings that can be integrated into the parser …