[Tutor] beginning to code

[Rick Johnson]

alister wrote:
> [...]
> were i to be less generous I would suggest that you had
> deliberately picked the worst python method you could think
> of to make the point

Feel free to offer a better solution if you like. INADA
Naoki offered a good solution for Python3 folks, but AFAIK,
set comprehensions are not avialable as a backported "future
feature" for Python2 folks. And surely not for Python1
folks.