On a similar note, here's a question I recently asked and obtained good
input about tail recursion optimization.
http://stackoverflow.com/questions/1414581/python-recursive-program-to-prime-factorize-a-number
On Wed, Oct 21, 2009 at 1:14 PM, Sidharth Kuruvila <
sidharth.kuruv...@gmail.com> wrote:
> Hi,
> My bad, that was a bit of laziness on my part. The reason why my
> code was silly is not to do with interning though that does happen for
> strings. Literals, that is numbers and string literals and a few
> others are loaded as constants. So the cost of constructing them in
> your code has already been taken care of.
>
> A better example would be something like
>
> d = {"a":[1,2,3,4]}
>
> print d.setdefault("a", [])
>
>
> Interning is an optimization done to speed up the comparison of
> strings, by making sure that two string with the same text are
> represented by the same object.
>
> Regards,
> Sidharth
>
>
> On Wed, Oct 21, 2009 at 12:31 PM, Anand Chitipothu <anandol...@gmail.com>
> wrote:
> >> What do you mean when you use the word "interned"?
> >
> > $ pydoc intern
> > Help on built-in function intern in module __builtin__:
> >
> > intern(...)
> > intern(string) -> string
> >
> > ``Intern'' the given string. This enters the string in the (global)
> > table of interned strings whose purpose is to speed up dictionary
> lookups.
> > Return the string itself or the previously interned string object with
> the
> > same value.
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> > BangPypers@python.org
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> >
>
>
>
> --
> I am but a man.
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--
Regards,
Lakshman
becomingguru.com
lakshmanprasad.com
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