[Python-Dev] Toowtdi: Datatype conversions

Michael Hudson mwh at python.net
Mon Jan 5 07:56:28 EST 2004


"Robert Brewer" <fumanchu at amor.org> writes:

> Raymond Hettinger wrote:
>> Choosing between:
>> 
>>     list(d)  or   d.keys()
>> 
>> Which is the one obvious way of turning a dictionary into a list?  
>> IMO, list(d) is it.
>
> Except that, "turning a dictionary into a list" as an English phrase is
> indeterminate--do you want the keys or the values or both?

Indeed.  In particular, I often write

for k in d:
    ...

and 

for k,v in d:
    ...

and seem to subconsciously expect Python to work out the rest :-)
(this is not a feature request...)

Cheers,
mwh

-- 
  Unfortunately, nigh the whole world is now duped into thinking that 
  silly fill-in forms on web pages is the way to do user interfaces.  
                                        -- Erik Naggum, comp.lang.lisp



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