Default argument initialization with list found which is a loop hole in python

[neel004]

Describe the bug When an argument is initialized with an empty list in python, it retains previous values it has accumulated while executing the method.

To Reproduce Steps to reproduce the behavior: Link to code: https://github.com/python-gsoc/python-blogs/blob/master/aldryn_people/cms_toolbars.py#L47:

Additional context Link for reference: https://web.archive.org/web/20200221224620id_/http://effbot.org/zone/default-values.htm

[vrac10]

Can I work on this issue?

[terriko]

Closing in preparation for archiving this repo.