from UserList import UserList

class ListIter:
    def __init__(self, data):
        print "Creating iterator"
    	self.data = data
        self.index = 0
    def next(self):
        try:
            value = self.data[self.index]
            self.index += 1
            print "Item %s: %s" % (self.index, value)
            return value
        except IndexError:
            print "Done!"
            raise StopIteration
    def __iter__(self):
	print "Returning self"
        return self

class IterableUserList(UserList):
    def __iter__(self):
        return ListIter(self.data)

L = IterableUserList(['a','b','c'])
iterable = iter(L)
print "Now starting loop"
for i in iterable:
    pass