On Fri, Nov 20, 2015 at 12:19 AM, BartC <b...@freeuk.com> wrote: > You presumably think differently because you have some inside knowledge of > how Python works, and know that that [] undergoes a one-time assignment to a > local, persistent 'default' variable where it's value can indeed by changed. > (Thanks to another Python feature where an assignment is a very shallow copy > of an object.) And it is that volatile variable that is the actual default. > > But not everyone is going to know that.
Correct: We think certain things because we understand how Python behaves. You, too, can join the Inner Circle of Pythonistas; all you have to do is read this (and/or watch the video): http://nedbatchelder.com/text/names1.html ChrisA -- https://mail.python.org/mailman/listinfo/python-list
