[BangPypers] nested list question

[Shashwat Anand]

On Tue, Jul 13, 2010 at 8:00 PM, Vikram <kpguy at rediffmail.com> wrote:

> Suppose you have two nested lists, X and Y.
> A sample element of X is:
> ['NM_032291', '67000041', '67000051', 'chr1', '+']
>
> Another sample element of X is:
> ['NM_001097', '51183080', '51183635', 'chr22', '+']
>
>
> A sample element of Y is:
> ['chr1', '67000046']
>
> Another sample element of Y is:
> ['chrY', '59033300']
>
> The objective is to identify whether the second element of an element of Y
> (e.g. 67000046) lies between the the second and third elements of an element
> of X (e.g. 67000041 and 67000051).
>
> Eventually, one should end up with a modified version of Y, let us say
> modY, which is a filtered version of Y in which the second element of an
> element of modY is contained within the second and third elements of an
> element of X.
>
> Any suggestions on how i should be going about implementing this?
>

>>> modY = [y for y in Y for x in X if x[1] < y[1] < x[2]]


>
> Thanking you,
> Vikram
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