empty clause of for loops

[Terry Reedy]

On 3/16/2016 11:17 AM, Sven R. Kunze wrote:
> On 16.03.2016 16:02, Tim Chase wrote:

>> Does it annoy me when I have to work in other languages that lack
>> Python's {for/while}/else functionality?  You bet.
>
> I can imagine that. Could you describe the general use-case? From what I
> know, "else" is executed when you don't "break" the loop. When is this
> useful?

When one wants to know if the iterable contained an exceptional item or 
not or when one wants to know if the iterator is exhausted or not.

-- 
Terry Jan Reedy