what does 'a=b=c=[]' do

[alex23]

On Dec 23, 12:59 pm, Ian Kelly <ian.g.ke... at gmail.com> wrote:
> It's only irrelevant in the immediate context of the code you posted.
> But when Joe Novice sees your code and likes it and duplicates it a
> million times

I'm sorry, but I'm not going to modify my coding style for the sake of
bad programmers.

The context is _important_. Why should I guard against default
argument mutability when its not going to occur in the function body?