Jacob Lee wrote: > About slices: > > I agree that Python's slice boundaries (some_list[a:b] being all elements > with a <= index < b) are counterintuitive at first. But this method does > satisfy some handy properties, the first of which being: > l[:n] + l[n:] = l
And best of all, this is true for _every_ n, at least for the standard slice implementations... > Secondly, the range() function behaves identically to slices, meaning that > for i in range(10): > will iterate 10 times, and > for i in range(len(l)): > will iterate over the indices of the sequence l. > > If you had l[a:b] be inclusive on both a and b (instead of inclusive on a > and exclusive on b), you would have to be adding and subtracting one in > all of these examples, leading that much more easily to off-by-one errors. It would be not so much adding/subtracting if list indices started at 1, but who on earth would want that? ;) Reinhold -- http://mail.python.org/mailman/listinfo/python-list
