In message <[EMAIL PROTECTED]>, Wildemar Wildenburger wrote: > Lawrence D'Oliveiro wrote: > >> In message <[EMAIL PROTECTED]>, Chris >> Mellon wrote: >> >>> On 9/5/07, Steve Holden <[EMAIL PROTECTED]> 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?
Because there is a situation where your version of the test will fail even if the first element of y is non-null. -- http://mail.python.org/mailman/listinfo/python-list
