On Sat, Dec 14, 2019, at 04:06, smfiles wrote:
> I think it's necessary to add a segment() method to str type or string
> module. This method is used to split a string into m parts and return
> all cases. With segment(), you can avoid tedious calculation and
> indexing if you want to segment a string.
>
> For example:
>
> segment('1234', m=3) -> [('1', '2', '34'), ('1', '23', '4'), ('12',
> '3', '4')]
> segment('12345', m=3) -> [('1', '2', '345'), ('1', '23', '45'), ('1',
> '234', '5'), ('12', '3', '45'), ('12', '34', '5'), ('123', '4', '5')]
This is trivial to do with itertools.combinations - just take all combinations
of 2 [m-1] values between 1 and 4 [len(s)-1], and use those as places to cut
the string.
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