Group same elements with a generator

def group_same(iterable):
    iterator = iter(iterable)
    last = next(iterator)
    counter = 1
    while True:
        try:
            element = next(iterator)
            if element is last:
                counter += 1
                continue
            else:
                yield (counter, last)
                counter = 1
                last = element
        except StopIteration:
            yield (counter, last)
            return