Undocumented Cmd method print_topics

Documentation

When exploring the Cmd Python library, I realized that there is no documentation for print_topics method.

I only realized the missing documentation because I noticed that print_topics method has an unused parameter called cmdlen, and I couldn't figure out if it is actually useful for something.
I could also notice that on typeshed it is typed as Any, even though it seems to be only used as an int.

Extra doubts:

Maybe print_topics should be renamed to _print_topics or we should document how to use it properly?
Also, is that cmdlen parameter really needed?

I am willing to contribute with that, but I don't know which type of issue I should open to report an unused param.

Links:

• Cmd documentation: https://docs.python.org/3.13/library/cmd.html
• Cdm.print_topics definition: https://github.com/python/cpython/blob/main/Lib/cmd.py#L346
• typeshed: https://github.com/python/typeshed/blob/main/stdlib/cmd.pyi#L45

Linked PRs

• gh-134539

Lib/cmd.py#L346 の print_topics の定義、Cmd のドキュメント、およびその typeshed 宣言から始めてください。意図する公開動作を決める前に、リンクされている PR gh-134539 と、cmdlen、命名、型付けに関する未解決の問題を確認してください。完了の条件は、合意された動作とパラメーターの使用方法が文書化され、必要に応じて typeshed のアノテーションにも対処されていることです。