[Tutor] how to zip data?

[Ramkumar Parimal Alagan]

I am on windows XP,  new to Python.

i'm learning to take back up, i want to know how to zip the data.

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import os
import time

source = ['d:\\down']


target_dir = 'd:\\'


target = target_dir + time.strftime('%Y%m%d%H%M%S') + '.zip'


zip_command = "zip -qr '%s' %s" % (target, ' '.join(source))

if os.system(zip_command) == 0:
    print 'Successful backup to', target
else:
    print 'Backup FAILED'


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is the zip command rite??