[Tutor] Dictionary of dictionaries issue

[Pablo Englebienne]

Thank you all, this is exactly what I was trying to do and the syntax is 
beautiful... :-)

-- 
Pablo Englebienne

"Progress is made by lazy men looking for easier ways to do things." - Robert A. Heinlein



Kent Johnson wrote:
> On Thu, Nov 13, 2008 at 10:01 AM, A.T.Hofkamp <a.t.hofkamp at tue.nl> wrote:
>   
>>>>> d3 = dict(( (rv, dict.fromkeys(c)) for rv in r ))
>>>>>           
>
> You don't need the double parentheses, this works just as well:
> d3 = dict( (rv, dict.fromkeys(c)) for rv in r )
>
> A generator expression just has to be in parentheses, it's OK if the
> parens also have other meaning syntactically; in this case indicating
> a function call.
>
> Kent
>   
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