how to count lines in a file ?

[Just]

In article <mailman.1027443271.32201.python-list at python.org>,
 "Denis S. Otkidach" <ods at fep.ru> wrote:

> On Tue, 23 Jul 2002, Shagshag13 wrote:
> 
> S> hello,
> S>
> S> i need to count lines in a file (that i *can't* keep in
> S> memory, so can't use readlines())
> 
> fp = open(filename)
> it = iter(fp)
> try:
>     while it.next():
>         count += 1
> except StopIteration:
>     pass

How is that better than

  count = 0
  for line in open(filename):
      count += 1

?

Just