How can I zip my csv file in a loop?

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ZIP

Python3.3

I have a data frame, with students ID and names and other information.
I have done a groupby on students ID, I need to create zip file(on student name) for each student and then zip them all.
I have the following code.
I can zip all the csvs, but how can I zip each individually first since thery are in a loop?

What I have tried:

groupby = df.groupby('stu_ID')
for n,g in groupby
csv=g.to_csv(index=false)
with open('{}{}.csv'.format(path,n),'w' as out_file:
out_file.write(csv)

shutil.make_archive('PATH','zip',
'PATH)