[Biopython] How to get intron/exon boundaries?

[Peng Yu]

On Fri, Nov 27, 2009 at 5:03 PM, Peter <biopython at maubp.freeserve.co.uk> wrote:
> On Fri, Nov 27, 2009 at 10:56 PM, Peng Yu <pengyu.ut at gmail.com> wrote:
>> I'm wondering how to get intron exon boundaires for all the genes.
>> Could somebody show me what functions I should use?
>
> What do you want to know? The co-ordinates of the intron/exons,
> or just to get the coding sequence?

I want the co-ordinates.

> What kind of data are you looking at? For GenBank or EMBL
> files this is encoded in the CDS feature locations. For GFF
> files I think this information is given explicitly,

Would you please let me know how to get the CDS feature locations from
GenBank and EMBL? What are GFF files?