I'm running a sqlalchemy query to get the average time per day a user
has spent on our website.  The query runs properly and returns a list
of rowtuples that represent timedelta objects, so now I'm trying to
compute the average timedelta in this list.  However, since each
timedelta object is of type rowtuple (?), I can't perform addition on
it.  Normally I can convert a timedelta to a time by running str
(timedelta()), but when I try running that on my list: str(visitTimes
[1]), it returns a string of '(datetime.timedelta(0, 22974),)'.  How
do I manipulate my list of rowtuples so that I can perform math on
them?

Thanks!
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