[docs] [issue30826] More details in reference 'Looping through a list in Python and modifying it'

Change by Raymond Hettinger <raymond.hettinger@gmail.com>: ---------- keywords: +patch pull_requests: +15112 stage: -> patch review pull_request: https://github.com/python/cpython/pull/15407 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue30826> _______________________________________