sort and delete ?

[matt]

Sorry about the mistake  ... was trying other things before the post.  Anyway
thanks for the answer, it's perfect!!

On Tue, 30 May 2000, Mikael Olofsson wrote:
> On 30-May-00 matt wrote:
>  >  Is there a more "pythonic" way to do the following, which, before I make a
>  >  mess
>  >  is, suppossed to assess whether to throw elements out of a list and then
>  >  actually do so.  I use a rather strange, but database-like, list.
>  >  
>  >  a = [['egg', [1, 'ace', 3]], ['apple', [1, 'two', 3]], ['pear', [4,
>  >  'three',
>  >  6]], ['orange', [5, 'two', 1]]]
>  >  
>  >  x=[]
>  >  for i in a:
>  >      if i[0][1] in ('ace','three'):
>  >              x.append(i)
> 
> First of all, I think you meant i[1][1] above. I am an addict under the
> lambda-forms, so I would do it using filter:
> 
> x = filter(lambda i:i[1][1] in ('ace','three'),a)
> 
> Cheers,
> 
> /Mikael
> 
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