Session15

Adding Iterator homework 
The `__iter__` special method should return an object that has the `next` method.  You are doing that here, but in a broken way.  You are constructing a brand new instance of the `IterateMe_2` class and returning it.  This *does* have the effect of "resetting" the iterator each time you use it in a `for` loop or other iterating context, but it does so in a wasteful way, building scads of additional instances of the iterator class.  You could put some code here to manipulate the internal state of the instance represented by `self` and come away with the same effect.  

Try to solve the problem that way instead.