What is a function parameter =[] for?

[Ian Kelly]

On Fri, Nov 20, 2015 at 9:24 AM, Chris Angelico <rosuav at gmail.com> wrote:
> The cases where that's not true are usually ones that are more like
> C++ overloaded functions:
>
> def next(iter):
>     return iter.__next__()
> def next(iter, default):
>     try: return iter.__next__()
>     except StopIteration: return default

IMO the version with the default argument should have a different
name, as it is conceptually a different function.