[Tutor] Readable date arithmetic

[bob gailer]

Stephen Nelson-Smith wrote:
> I have the following method:
>
> def get_log_dates(the_date_we_want_data_for):
>   t = time.strptime(the_date_we_want_data_for, '%Y%m%d')
>   t2 = datetime.datetime(*t[:-2])
>   extra_day = datetime.timedelta(days=1)
>   t3 = t2 + extra_day
>   next_log_date = t3.strftime('%Y%m%d')
>   return (the_date_we_want_data_for, next_log_date)
>
> Quite apart from not much liking the t[123] variables, does date
> arithmetic really need to be this gnarly?
>
> How could I improve the above, especially from a readability
> perspective?  Or is it ok?
>   

Please in future provide a specification of the algorithm. What is is to 
do. Saves me a lot of time trying to decipher the code.

-- 
Bob Gailer
Chapel Hill NC
919-636-4239