If you are starting a new project today, target . Your future self will thank you for the speed and clarity. Want to test it yourself? Install via pyenv or the official Python Docker image python:3.11-slim .
Before 3.11, if you ran multiple tasks and two failed with different errors, Python would raise the first exception and swallow the second. You would lose debugging information. python 3.11
Released in October 2022, Python 3.11 stands as a landmark update for the language. While the world has since moved to 3.12 and 3.13, 3.11 remains the bedrock for many production systems due to its maturity and significant, measurable improvements over Python 3.10. This update focused heavily on two core pillars: execution speed and error clarity . If you are starting a new project today, target
import tomllib with open("config.toml", "rb") as f: config = tomllib.load(f) print(config["tool"]["poetry"]["name"]) Install via pyenv or the official Python Docker
Python 3.11 fixes this. When an error occurs, the interpreter now points an arrow ( ^ ) at the specific expression that failed, not just the line number.
If you are starting a new project today, target . Your future self will thank you for the speed and clarity. Want to test it yourself? Install via pyenv or the official Python Docker image python:3.11-slim .
Before 3.11, if you ran multiple tasks and two failed with different errors, Python would raise the first exception and swallow the second. You would lose debugging information.
Released in October 2022, Python 3.11 stands as a landmark update for the language. While the world has since moved to 3.12 and 3.13, 3.11 remains the bedrock for many production systems due to its maturity and significant, measurable improvements over Python 3.10. This update focused heavily on two core pillars: execution speed and error clarity .
import tomllib with open("config.toml", "rb") as f: config = tomllib.load(f) print(config["tool"]["poetry"]["name"])
Python 3.11 fixes this. When an error occurs, the interpreter now points an arrow ( ^ ) at the specific expression that failed, not just the line number.
