I recommend this article going into good depth on how Python's name and binding model functions: https://www.jeffknupp.com/blog/2013/02/14/drastically-improve-

I recommend this article going into good depth on how Python's name and binding model functions: https://www.jeffknupp.com/blog/2013/02/14/drastically-improve-your-python-understanding-pythons-execution-model/ https://www.jeffknupp.com/blog/2013/02/14/drastically-improv...