[BioPython] Need help parsing Blastoutput

[Halima Rabiu]

Hi All,
I have a BLAST output from a local blast
I need to calculate my % alignment coverage as regard to my subject
I try parsed the blast output and wanted to print the
sbjct Start and Sbjct end. but I could not is there anyway I could this 
try to get mach coverage between my querry and subject I dont need 
Identities,but total % alignment for querry or subject.
Thanks
Halimah