: Common tasks like exiting or accessing help no longer require function calls; you can simply type exit , quit , or help .
: New keyboard shortcuts include F1 for help, F2 for history browsing, and F3 for a dedicated "paste mode". 2. Smarter Error Messages python 313 release notes verified
Python 3.13 introduces two major "Phase I" experimental features designed to unlock future performance gains. : Common tasks like exiting or accessing help
Building on improvements from Python 3.12, this release provides even more contextual guidance: Smarter Error Messages Python 3
This version allows users to run Python without the Global Interpreter Lock (GIL), enabling true parallel execution across multiple CPU cores for multithreaded tasks. What's New In Python 3.13 — Python 3.14.4 documentation
: If a local script shadows a standard library module (e.g., a file named random.py ), the interpreter will explicitly suggest renaming the file.
Python 3.13, officially released on , marks a significant milestone in the language's evolution, introducing transformative experimental features and major quality-of-life improvements for developers. This version focuses on performance foundations, such as the removal of the Global Interpreter Lock (GIL) and the introduction of a Just-In-Time (JIT) compiler, while also providing a modern interactive experience. Key Highlights: A Reimagined Developer Experience 1. A Brand New Interactive Interpreter (REPL)