Help understanding the decisions *behind* python?

[alex23]

John Nagle <na... at animats.com> wrote:
> Every function returned a tuple as an argument.  This had a nice
> symmetry; function outputs and function inputs had the same form.  
> Mesa was the first language to break through the "single return
> value" syntax problem.
>
>     Python doesn't go that far.

I assume here you're referring to the former point and not the latter?