[andrewgait]

Resolves #119

[github-actions]

Thank you!

Thank you for your pull request 😃

🤖 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}.

If you have files that automatically render output (e.g. R Markdown), then you should check for the following:

• 🎯 correct output
• 🖼️ correct figures
• ❓ new warnings
• ‼️ new errors

Rendered Changes

🔍 Inspect the changes: https://github.com/UoMResearchIT/Programming-With-Python/compare/md-outputs..md-outputs-PR-128

The following changes were observed in the rendered markdown documents:

 01-introduction.md | 29 +++++++++++++++++++++++++++++
 md5sum.txt         |  2 +-
 2 files changed, 30 insertions(+), 1 deletion(-)

What does this mean?

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.

This output provides a way for you to inspect the output in a diff-friendly manner so that it's easy to see the changes that occur due to new software versions or randomisation.

⏱️ Updated at 2026-11-13 09:48:07 +0000

[github-actions]

Changes were made to copyright notices

There are copyright updates on the (temporary) add-license-headers-to-119-add-challenge-on-using-functions-in-chapter-1-2026-11-13-09-47-28 branch. Please review and merge, or add further commits (this branch will be deleted).

[Scottan]

LGTM