[Tutor] Fwd: Function works one time then subsequently fails

[Jim Mooney Py3.4.3winXP]

Sure, but let me include the full working program after fixup....

On 29 April 2015 at 19:09, Cameron Simpson <cs at zip.com.au> wrote:

>
> These could all do with docstrings. add() is pretty obvious, but the
> distinction between minus() and subtract() could do with elaboration.

etc, etc.

Thanks. Very comprehensive. I'll print it out and ponder it ;')

-- 
Jim

"What a rotten, failed experiment. I'll start over. Maybe dogs instead of
monkeys this time." --God