Simon Willison’s Weblog

9th October 2007 - Link Blog

String types in Python 3. bytes are now immutable (just like the bytestrings they are replacing) and a new mutable buffer type has been introduced.

Posted 9th October 2007 at 2:08 am

Recent articles

LLM 0.32a0 is a major backwards-compatible refactor - 29th April 2026
Tracking the history of the now-deceased OpenAI Microsoft AGI clause - 27th April 2026
DeepSeek V4 - almost on the frontier, a fraction of the price - 24th April 2026

This is a link post by Simon Willison, posted on 9th October 2007.

buffers 2 bytes 1 bytestrings 2 python 1248 python3 21 strings 5 unicode 35

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