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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def image_search(auth=None, **kwargs):
    '''
    Search for images

    CLI Example:

    .. code-block:: bash

        salt '*' glanceng.image_search name=image1
        salt '*' glanceng.image_search
    '''
    cloud = get_operator_cloud(auth)
    kwargs = _clean_kwargs(**kwargs)
    return cloud.search_images(**kwargs)