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The Python programming language

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# Bug report ### Bug description: When using the `**` operator with a Fraction as a base and an object that implements `__rpow__` as an exponent the fraction gets wrongfully...

type-bug

# Feature or enhancement Some of our internal headers (e.g., [`pycore_ceval.h`](https://github.com/python/cpython/blob/b6228b521b4692b2de1c1c12f4aa5623f8319084/Include/internal/pycore_ceval.h#L3-L14)) contain `#include` directives inside the `extern "C" {` blocks. This can cause problems if system headers are included within...

type-feature
topic-C-API

BPO | [45991](https://bugs.python.org/issue45991) --- | :--- Nosy | @barneygale, @slateny *Note: these values reflect the state of the issue at the time it was migrated and might not reflect the...

type-feature
docs
3.11
easy
3.10
3.9

---- :books: Documentation preview :books:: https://cpython-previews--109843.org.readthedocs.build/

docs
awaiting core review
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# Bug report Discovered during 3.13b1 release (we decided not to block the release over it, so this is just a known issue in b1): While interacting with the config...

type-bug
OS-windows
topic-tkinter
topic-IDLE
release-blocker

* Issue: gh-117283 ---- 📚 Documentation preview 📚: https://cpython-previews--117916.org.readthedocs.build/

docs
awaiting review
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Added missing keybindings for Ctrl+← and Ctrl+→ in `reader.py`. These should map to `ctrl left` and `ctrl right` but, as Tomas mentioned in #119035, those are treated as invalid characters...

awaiting review

# Bug report ### Bug description: When I type this to older Python REPLs: ```pycon >>> text = "I can travel the words." ``` And I press Ctrl+←, my cursor...

type-bug
3.13
3.14
topic-repl

* expand on What's New entry for PEP 667 (including porting notes) * review (and update) all mentions of `locals` and `f_locals` in documentation * define "optimised scope" as a...

docs
awaiting core review
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3.13
3.14
needs backport to 3.13

* Issue: gh-107784 ---- :books: Documentation preview :books:: https://cpython-previews--112548.org.readthedocs.build/

docs
awaiting core review
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topic-subinterpreters