Problem splitting a string

Alex Martelli aleax at
Sat Oct 15 10:51:41 CEST 2005

Steven D'Aprano <steve at> wrote:
> You can *almost* do that as a one-liner:

No 'almost' about it...

> L2 = [item.split('_') for item in mystr.split()]
> except that gives a list like this:
> [['this', 'NP'], ['is', 'VL'], ['funny', 'JJ']]
> which needs flattening. 

....because the flattening is easy:

[ x for x in y.split('_') for y in z.split(' ') ]


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