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Fri Apr 17 04:34:20 CEST 2009 · https://mail.python.org/pipermail/python-dev/2009-April/088831.html

On Fri, 17 Apr 2009 12:29:11 pm Steven D'Aprano wrote:

> Adding one month to 31st January could mean:
>
> 1: raise an exception
> 2: return 28th February (last day of February)
> 3: return 3rd April (1 month = 31 days)
> 4: return 2nd April (1 month = 30 days)
> 5: return 28th February (1 month = 4 weeks = 28 days)

Obviously I meant March, not April. Oops.

-- 
Steven D'Aprano

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Showing content from https://mail.python.org/pipermail/python-dev/2009-April/088831.html below:

[Python-Dev] Issue5434: datetime.monthdelta