With your input this returns:
[200, 20, 0, 13050]
so it's not what you want, but maybe it can be a starting point for
you:
from re import findall
txt = """\
test test test description (100-10-0, 6700 test)
test test test description (100-10-0, 6350 test)"""
lines = txt.split("\n")
res = [map(int, findall("[0-9]+", line)) for line in lines]
print map(sum, zip(*res))
Maybe izip and imap can be useful too.
lines can be a file object too.
Bye,
bearophile
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