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From: Neil Cerutti <neilc@norwich.edu>
Subject: Re: Another surprise from the datetime module
Date: Thu, 30 Jan 2014 18:36:34 +0000 (UTC)
Organization: Norwich University
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Xref: csiph.com comp.lang.python:65033

On 2014-01-30, Roy Smith <roy@panix.com> wrote:
> I was astounded just now to discover that datetime.timedelta
> doesn't have a replace() method (at least not in Python 2.7).
> Is there some fundamental reason why it shouldn't, or is this
> just an oversight?
>
> My immediate use case was wanting to print a timedelta without
> the fractions of seconds.  The most straight-forward is:
>
> print td.replace(microseconds=0)

That would be nice.

In the meantime, this works for your use case:

td -= td % timedelta(seconds=1)

-- 
Neil Cerutti