common mistakes in this simple program

[Ganesh Pal]

On Mar 1, 2016 12:06 AM, "Chris Angelico" <rosuav at gmail.com> wrote
>
> You're falling into the trap of assuming that the only exception you
> can ever get is the one that you're planning for, and then handling.

Ok sure !

> ALL exceptions as though they were that one. Instead catch ONLY the
> exception that you're expecting to see, and ignore everything else. Do
> not use a bare "except:" clause, nor even "except Exception:", for
> this. You will appreciate it later on.

What option do I have now in  so ensure that I loop over the For loop. Try
except is ruled out ?