def filtered(json, filter_keys):
    """ Returns a dict of key-value pairs filtering out the specified keys.

    >>> filtered({'c': 'C', 'xox': '!!', 'a': 'A'}, ['xox'])
    {'a': 'A', 'c': 'C'}
    """
    return {k: v for k, v in json.iteritems() if k not in filter_keys}