Python Feature Request: Explicit variable declarations

[Army1987]

"jamadagni" <samjnaa at gmail.com> ha scritto nel messaggio 
news:1176557734.456820.275780 at p77g2000hsh.googlegroups.com...
>> Languages like Perl and VB need a strict mode because they will
>> auto-vivify variable for you.  I.e. they will bring variables to life
>> with defined or undefined values if you use them in a l-value (left hand
>> side of an assignment) without having declared them prior.  If you do
>> that in Python you get an exception.
>
> I don't comprehend. I can just type a = 5 in a new Python session and
> I get no exception. Python currently does not require variables to be
> declared before they are used on the LHS.

I think (s)he meant right hand.