On Jun 3, 9:34 pm, "Dan Upton" <[EMAIL PROTECTED]> wrote:
> On Tue, Jun 3, 2008 at 3:16 PM, tmallen <[EMAIL PROTECTED]> wrote:
> > On Jun 3, 3:03 pm, Chris <[EMAIL PROTECTED]> wrote:
> >> On Jun 3, 8:40 pm, tmallen <[EMAIL PROTECTED]> wrote:
>
> >> > What's the proper way to instantiate a new variable? x = ""?
>
> >> You don't need to pre-declare your variables. Just assign them as you
> >> need them and they will take the correct type.
>
> > unless I'm using the += or a similar operator, right? That doesn't
> > seem to instantiate a variable.
>
> Right... because you don't have anything to increment or append to. I
> guess this also comes up in the case of something like lists or
> dictionaries you want to uniformly create in a loop. I guess you
> could call it instantiating, but really it's more like going ahead and
> assigning to them as Chris mentioned and you're just starting them
> with a default value. Assuming you're working with strings, x=""
> should work just fine in that case. Lists, x=[], dictionaries, x={},
> integers, probably x=1 or x=0...
You can always use the conversion functions if you want to be explicit
str(), int(), list(), dict(), set() etc
--
http://mail.python.org/mailman/listinfo/python-list
