Checking if elements are empty

[Steven D'Aprano]

On Fri, 07 Sep 2007 11:12:05 +0200, Wildemar Wildenburger wrote:

> Lawrence D'Oliveiro wrote:
>> In message <mailman.93.1189003016.2658.python-list at python.org>, Chris
>> Mellon wrote:
>> 
>>> On 9/5/07, Steve Holden <steve at holdenweb.com> wrote:
>>>> Doran, Harold wrote:
>>>>> Is there a way to check if the first element of y is null?
>>>>>
>>>> len(y[0]) == 0
>>>>
>>> Better spelled as
>>>
>>> if y[0]:
>> 
>> Not a good idea.
> 
> Why not?


What happens if y is an empty list?


-- 
Steven.