[Tutor] unwanted 'zero' ending

[Fábio Santos]

On 28 Jun 2013 08:33, "Peter Otten" <__peter__ at web.de> wrote:
>
> Whatever approach you pick, unittest, doctest, or a combination, your code
> will improve -- not just because you are verifying its correctness to some
> extent, but also because the inherent question "How can I test it?" will
> lead to a better overall structure.

This is the thing I've found to be most useful when I first started writing
tests. When I go test-first and write your test for a new function, that's
when the signature becomes obvious to me.
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