On Fri, 16 Apr 2010 08:48:03 -0700, Aahz wrote: > In article <4bb92850$0$8827$c3e8...@news.astraweb.com>, Steven D'Aprano > <st...@remove-this-cybersource.com.au> wrote: >> >>Nevertheless, it is a common intuition that the list comp variable >>should *not* be exposed outside of the list comp, and that the for-loop >>variable should. Perhaps it makes no sense, but it is very common -- >>I've never heard of anyone being surprised that the for-loop variable is >>exposed, but I've seen many people surprised by the fact that list-comps >>do expose their loop variable. > > I've definitely seen people surprised by the for-loop behavior.
What programming languages were they used to (if any)? I don't know of any language that creates a new scope for loop variables, but perhaps that's just my ignorance... -- Steven -- http://mail.python.org/mailman/listinfo/python-list