find nearest time in datetime list

Tim Chase python.list at
Wed Jan 30 13:06:31 CET 2008

> I have a list of datetime objects: DTlist, I have another single datetime
> object: dt, ... I need to find the nearest DTlist[i]  to the dt .... is
> there a simple way to do this? There isn't necessarily an exact match... 

import datetime
dates = [datetime.datetime(2007,m, 1) for m in range(1,13)]
test_date = datetime.datetime(2007,4,15)
closest = sorted(dates, key=lambda d: abs(test_date - d))[0]
print closest


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