Why Python don't accept 03 as a number?

[Antoon Pardon]

On 10/12/18 11:16, Chris Angelico wrote:
> On Mon, Dec 10, 2018 at 9:11 PM Antoon Pardon <antoon.pardon at vub.be> wrote:
>> On 10/12/18 11:03, Chris Angelico wrote:
>>> Considering that, in a problem of that description, neither S nor M
>>> may represent zero, I don't think there's a problem here.
>> Not all such problems have that condition.
> They should. Every published set of problems that I've ever solved by
> hand has. I went searching online for some, and found this page:
>
> http://puzzlepicnic.com/genre?alphametic
>
> which clearly states that exact restriction.

Why should they? Is this some holy restriction a puzzle maker has
to follow on pain of excommunication somehow? Not all replacement
puzzles are alphametic puzzles.

-- 
Antoon.