Per [this comment](https://github.com/python/cpython/pull/92015#issuecomment-1188154063), specifying the aggregated categories of [`str.isalnum`](https://docs.python.org/3/library/stdtypes.html#str.isalnum) could help with clarity.
Per this comment, specifying the aggregated categories of
str.isalnumcould help with clarity.