Steven D'Aprano <steve+pyt...@pearwood.info> added the comment: This is not a bug, it is the documented behaviour: the * operator does not copy the lists, it duplicates references to the same list. There's even a FAQ for it:
https://docs.python.org/3/faq/programming.html#how-do-i-create-a-multidimensional-list ---------- nosy: +steven.daprano resolution: -> not a bug stage: -> resolved status: open -> closed _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue33636> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com