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Sync python-mutable-immutable with the updated tutorial - #867
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martin-martin merged 2 commits intoOct 12, 2026
Merged
martin-martin merged 2 commits into
martin-martin merged 2 commits into
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… Mutable vs Immutable Types Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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October 12, 2026 10:10
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Maintenance sync for Python's Mutable vs Immutable Types: What's the Difference?.
What changed
point.py: theCoordinate.__set__()descriptor now quotes the attribute name in its error message (can't set attribute 'x'), matching the article's code block and the REPL output it shows.The rest of the folder already matches the article. This cycle's article edits (Python 3.14 output drift:
15 / 3→5.0, the extended__slots__AttributeErrormessage, the 3.14 unhashable-key message,__static_attributes__in the class__dict__) only touch REPL output, so none of them need code changes here.Links
Verification
Point/Immutablein a REPL:can't set attribute 'x',can't set attribute 'unit'.uvx ruff@0.14.1 format --checkanduvx ruff@0.14.1 check: both pass.🤖 Generated with Claude Code