human
Complete this python program:
def create_and_copy(test, fixture):
assistant
#Here is the Python code you requested.

    """Create a volume\s filesystem on one pool, copy to another pool.
    :param TestCase test: A ``TestCase`` that will be the context for this
    operation.
    :param fixture: Callable that takes ``TestCase`` and returns a
    ``IStoragePool`` provider.
    :return: ``Deferred`` that fires with the two volumes in a
    ``CopyVolumes``.
    """
    pool = fixture(test)
    service = service_for_pool(test, pool)
    volume = service.get(MY_VOLUME)
    pool2 = fixture(test)
    service2 = service_for_pool(test, pool2)
    volume2 = Volume(node_id=service.node_id, name=MY_VOLUME, service=service2)
    d = pool.create(volume)
    def created_filesystem(filesystem):
        path = filesystem.get_path()
        path.child('file').setContent('some    bytes')
        path.child('directory').makedirs()
        copying = copy(volume, volume2)
        copying.addCallback((lambda ignored: CopyVolumes(from_volume=volume, to_volume=volume2)))
        return copying
    d.addCallback(created_filesystem)
    return d