[Tutor] all elements equal in tuple or list

[Jeff Shannon]

Jeff Shannon wrote:

> Kent Johnson wrote:
>
>> I decided to write a version of this that behaves 'correctly' for all 
>> inputs. What 'correct' means to me is, if the input is not iterable, 
>> the function raises an exception; if the input is an empty iterable, 
>> the function returns True; otherwise it compares the first element to 
>> all the others and reports the result.
>
>
> So what's the result if you pass in an iterable of length 1?
>
> I *think* (from eyeballing -- I'm too lazy to type it in and try it ;) 
> ) that it will return True, and it seems to me that that is probably 
> the correct behavior (especially if it's correct for a zero-length 
> iterable), but it's a corner case that probably deserves some mention.


Nevermind, looking a little closer now I see that this is covered in 
your unit tests.  (And that you are, indeed, expecting it to behave in 
the same way that I did.) 

Jeff Shannon
Technician/Programmer
Credit International