Should we deprecate comma?

[Marc Schütz" <schuetzm at gmx.net>]

On Monday, 24 March 2014 at 12:25:58 UTC, w0rp wrote:
> Please kill the comma operator with fire. Is is just bad.
>
> On Monday, 24 March 2014 at 12:20:11 UTC, Marc Schütz wrote:
>> Or, if you really want to distinguish them, this would work:
>>
>> (1,2)    two-element tuple
>> (1,)     one-element tuple
>> (1)      simple expression
>> (,)      empty tuple
>
> I am a regular Python user, and I advise against using this 
> syntax for tuples. I have been bitten many times by something 
> which I thought was a tuple becoming an expression and 
> something I thought was a simple expression becoming a tuple. 
> It may be less of an issue in a static language, but it will 
> still be an issue. I don't have an alternative syntax to 
> propose.

I'm not familiar with Python. What is the difference between a 
one-element tuple and an expression? Are Python tuples just 
arrays?