Simon Willison’s Weblog

Python 2.7 Release. Includes three of my favourite features from Python 3: odicts, set literals and set and dictionary comprehensions.

Posted 4th July 2010 at 11:21 pm

Recent articles

My review of Claude's new Code Interpreter, released under a very confusing name - 9th September 2025
Recreating the Apollo AI adoption rate chart with GPT-5, Python and Pyodide - 9th September 2025
GPT-5 Thinking in ChatGPT (aka Research Goblin) is shockingly good at search - 6th September 2025

dictionaries 2 odict 2 python 1185 python3 21 sets 2 recovered 213

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe