Class Counter

09_iterators/python/iterators.py:1–12

class Counter:
    def __init__(self):
        self.count = 0

    def __iter__(self):
        return self

    def __next__(self):
        if self.count < 5:
            self.count += 1
            return self.count
        raise StopIteration


if __name__ == '__main__':