clarify scope to emphasize circulation dataset

[chennesy]

Closes #180

Clarify the learner profiles and audience for the lesson by noting that the dataset and exercises focus on library circulation data, though the Python skills are relevant in other library use cases.

[github-actions]

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🤖 This automated message can help you check the rendered files in your submission for clarity. If you have any questions, please feel free to open an issue in {sandpaper}.

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Rendered Changes

🔍 Inspect the changes: https://github.com/LibraryCarpentry/lc-python-intro/compare/md-outputs..md-outputs-PR-183

The following changes were observed in the rendered markdown documents:

 index.md            | 7 +++----
 learner-profiles.md | 2 ++
 libraries.md        | 2 +-
 md5sum.txt          | 6 +++---
 4 files changed, 9 insertions(+), 8 deletions(-)

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If you have source files that require output and figures to be generated (e.g. R Markdown), then it is important to make sure the generated figures and output are reproducible.

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⏱️ Updated at 2026-09-25 22:24:17 +0000

[aays]

Looks great overall! Just one comment above.