Simon Willison’s Weblog

Python never copies implicitly

13th August 2003

10 Python pitfalls by Hans Novak (via Simon Brunning) is essential reading for anyone with more than a passing interest in Python. Python never copies implicitly. If only that were true of PHP.

Posted 13th August 2003 at 11:30 am · Follow me on Mastodon, Bluesky, Twitter or subscribe to my newsletter

More recent articles

V&A East Storehouse and Operation Mincemeat in London - 27th August 2025
The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025

This is Python never copies implicitly by Simon Willison, posted on 13th August 2003.

Next: Note to self

Previous: Artificial Diamonds

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

Previously hosted at http://simon.incutio.com/archive/2003/08/13/pythonPitfalls