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Sync python-double-underscore with the updated tutorial - #901
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realpython-bot merged 2 commits intoOct 22, 2026
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…nd Double Underscores in Python Names Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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October 22, 2026 07:07
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Maintenance sync for Single and Double Underscores in Python Names.
What changed
mangling.py: dropped the trailing space inside the"A.__attr = "and"B.__attr = "string literals.print()adds its own separator, so the code printedA.__attr = 0(two spaces) while the tutorial showsA.__attr = 0. The update draft applies the same fix to the article's code block.Links
Verification
mangling.pynow printsA.__attr = 0/B.__attr = 1, matching the article.uvx ruff@0.14.1 format --check python-double-underscore: 7 files already formatteduvx ruff@0.14.1 check python-double-underscore: All checks passed🤖 Generated with Claude Code