[issue24701] list.pop() removes items from multiple lists

R. David Murray added the comment: https://docs.python.org/3/faq/programming.html#why-did-changing-list-y-also-change-list-x -- nosy: +r.david.murray resolution: -> not a bug stage: -> resolved status: open -> closed ___ Python tracker

[issue24701] list.pop() removes items from multiple lists

New submission from annoywife: When executing the following code, I would expect the 3 to be removed from "list_copy" while "list_original" remains unaltered. However, list_copy.pop() removes the 3 from both lists. If an index is specified for pop, this behavior occurs as well. list_origina