semicolon at end of python's statements

[Roy Smith]

In article <mailman.385.1377858745.19984.python-list at python.org>,
 Fábio Santos <fabiosantosart at gmail.com> wrote:

> On 29 Aug 2013 23:20, "Ben Finney" <ben+python at benfinney.id.au> wrote:
> >
> > Fábio Santos <fabiosantosart at gmail.com> writes:
> >
> > > It is a shame that this is not possible in python. for..if exists in
> > > comprehensions and not in regular loops but that would be nice
> > > sometimes.
> >
> > So you use it in a generator expression, and iterate over the generator:
> >
> >     for foo in (spam for spam in sequence if predicate(spam)):
> >         process(spam)
> >
> > That way, there's no need for new syntax.
> 
> The problem I have with that strategy is that it is repetitive and hinders
> readability. You wrote "for" and "in" twice, and spam (a pretty useless
> intermediate variable) thrice! While it does its job, it hides the true
> intent for filtering beneath a lot of (pun intended) spam. The "if"
> particle is nigh undetectable there.
> 
> To get around this, I often declare a generator. But I still find it a bit
> awkward to have to look up the definition elsewhere, and to waste lines
> over something so simple.
> 
> I can't say I understand why we don't merge the for loops' syntax with the
> comprehension syntax. Even after following the for..while discussion.

+1 on loop comprehensions, for all the reasons Fábios states.