gh-129011: Update comments in FileIO to match current code#129012

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hauntsaninja merged 11 commits intopython:mainfrom

cmaloney:fileio_comments

Mar 7, 2025

Commits on Jan 19, 2025

Commits on Jan 21, 2025

Merge remote-tracking branch 'upstream/main' into fileio_comments
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Commits on Mar 7, 2025