On Oct 12, 8:24 pm, Ian Kelly <ian.g.ke...@gmail.com> wrote: > On Wed, Oct 12, 2011 at 11:51 AM, MRAB <pyt...@mrabarnett.plus.com> wrote: > >> Aside: > > >> I'm astonished to see that range objects have a count method! What's the > >> purpose of that? Any value's count will either be 0 or 1, and a more > >> appropriate test would be `value in range`: > > >> >>> 17 in range(2, 30, 3) # like r.count(17) => 1 > >> True > >> >>> 18 in range(2, 30, 3) # like r.count(18) => 0 > >> False > > > In Python 2, range returns a list, and lists have a .count method. > > Could that be the reason? > > Python 2 xrange objects do not have a .count method. Python 3 range > objects do have a .count method. The addition is curious, to say the > least.
See http://bugs.python.org/issue9213 -- Mark -- http://mail.python.org/mailman/listinfo/python-list
