[docs] [issue36008] [good first issue] Update documentation for 3.8

Mariatta Wijaya <mariatta@python.org> added the comment: Assigning this to me, to be worked on the mentored sprint at PyCon US Cleveland. Thanks. ---------- assignee: docs@python -> Mariatta nosy: +Mariatta _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue36008> _______________________________________