Nav wrote:
> On Jan 4, 4:54 pm, Chris Rebert <c...@rebertia.com> wrote:
>> On Mon, Jan 4, 2010 at 1:32 PM, Shawn Milochik <sh...@milochik.com> wrote:
>>> You could put them in a dictionary with the key being the name, instead of
>>> a list.
>> To illustrate that for the OP:
>>
>> name2drink = {}
>> for booze in liquors:
>> for juice in juices:
>> name = juice +" "+booze # or however you're naming them
>> drink = Bottle(booze, juice)
>> name2drink[name] = drink
>>
>> #example use
>> favorite = name2drink["apple wine"]
>> favorite.rating = 9/10
>
> typing
> favorite = such and such is what I am trying to avoid.
>
> I want to be able to use the name 'apple_wine' as the variable which
> has the object apple wine but not have to do this manually as you did
> with favorite.
>
Why? The example is trying to show you that it's much more sensible
(i.e. better controlled, easier to manage, less likely to cause
problems) if instead of looking up the names in the global namespace you
instead looked them up in a dictionary.
This question arises so frequently it should really be a FAQ, but the
closest I can come is
http://techblog.ironfroggy.com/2007/06/dynamic-hell.html
which does at least exercise the necessary arguments.
regards
Steve
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