sage

0a7b2513 - gh-37790: Improve docstrings in `groups`

gh-37790: Improve docstrings in `groups` I parsed the `groups` module like a _robot_ and I edited the docstrings. (e.g. 1-line outputs, self to ``self``) ### :hourglass: Dependencies Depends on #37789. URL: https://github.com/sagemath/sage/pull/37790 Reported by: gmou3 Reviewer(s): Matthias Köppe