from typing import Iterator


def iter_chunk(iterable: list, chunk_size: int = 1) -> Iterator:
    """Split collection of items on chunks.
    Args:
        iterable: Collection of items.
        chunk_size: Size of chunks.
    Returns:
        Iterator of chunks.
    """
    count = len(iterable)
    for i in range(0, count, chunk_size):
        yield iterable[i : min(i + chunk_size, count)]  # noqa