Simon Willison’s Weblog

Generator Tricks for Systems Programmers (via) David Beazley’s definitive generators tutorial from 2008, updated for Python 3.7 in October 2018.

Posted 9th April 2019 at 5:13 pm

Recent articles

First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026

david-beazley 7 generators 7 python 1221

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