[Biopython] parsing gff3 sequence

[Atteyet-Alla.Yassin at ukb.uni-bonn.de]

I obtained the attached gff3 file using bioperl from a Genbank format and
want to use it to build chromosome map with circos. I have no experience
with biopython and want to know: the steps to parse it and the linux
command which should I use?

(See attached file: pptre.gff)
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