The Real Python Podcast Exploring the New Features of Python 3.13
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Oct 11, 2024 
Geir Arne Hjelle, a regular contributor on Python features, and Christopher Trudeau, a video course creator, dive into the exciting new aspects of Python 3.13. They unpack the enhanced REPL experience, showcasing improved error messages and multi-line editing. The duo discusses the implications of optional Global Interpreter Lock (GIL) and Just-in-Time (JIT) compilation. They highlight advancements in static typing, making code clearer and safer. Listeners will gain insights on when to adopt the new version and integrate these features into their projects.
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Improved REPL for Beginners
- Python's built-in REPL was limited, pushing advanced users towards alternatives like IPython.
- The new REPL offers a better experience, especially for beginners, with features like multi-line editing.
Key Features of the New REPL
- Multi-line editing is a key feature of the new REPL, enabling editing of code blocks as single units.
- Pasting code into the REPL is now properly supported, improving tasks like defining classes.
REPL History and Less
- Christopher Bailey observes that the history feature in the new REPL triggers less.
- They discuss the potential use of 'less' on different platforms for navigating history.