DOC: added see also to docstrings in mean and median
Added, See also for mean and median in doctring 

see https://github.com/pandas-dev/pandas/issues/58065
Thanks for the PR! Changes look good but can you take a look at the failing checks? Thanks! I believe  ci/code_checks.sh needs to be updated.  Yes, could you update it to remove the ones you fixed? Sure, no problem! Thanks @BDixon808 