iter.py

def process_chunk(*items):
    pass


def process_count(count):
    print 'Count %d' % count


def chunked(iters, size):

    n = 0
    l = []

    for item in iters:
        l.append(item)
        n += 1

        if n == size:
            yield l
            l = []
            n = 0

    if l:
        yield l



def main(items):
    """Process and Count


    >>> items = xrange(101)
    >>> main(items=items)
    Count 101

    >>> items = xrange(100)
    >>> main(items=items)
    Count 100

    :param items:
    :return:
    """
    total = 0

    for chunk in chunked(iters=items, size=10):
        process_chunk(*chunk)
        total += len(chunk)

    process_count(total)


if __name__ == '__main__':
    main()