x[i] as loop variable

[Just]

In article <yRWlb.17437$Fc5.1106 at nwrdny01.gnilink.net>,
 "Raymond Hettinger" <vze4rx4y at verizon.net> wrote:

> [Gerrit Holl]
> > PEP 289 says:
> > (Loop variables may also use constructs like x[i] or x.a; this form may be
> deprecated.)
> 
> That was taken out of the pep because it is a distractor issue.
> 
> 
> > What is the use of this? When should I use it?
> 
> In general, it should never be used unless you're trying to obfuscate
> your code.  It is a long standing, unintended by-product of the
> grammar that any lvalue can be used as a loop variable.  Most folks
> aren't aware of it and everyone is better off not knowing about it.
> In fact, I wish it hadn't come-up at all because someone will read
> about it and adopt the atrocity as their new favorite style.

But isn't the feature a neccesity to make this work:

   for a, b in zip(seqA, seqB):
     ...

?

Just