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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 dimod_object_hook(obj):
 """JSON-decoding for dimod objects. See Also: :class:`json.JSONDecoder` for using custom decoders. """

    if _is_sampleset_v2(obj):
        # in the future we could handle subtypes but right now we just have the
        # one
        return SampleSet.from_serializable(obj)
    elif _is_bqm_v2(obj):
        # in the future we could handle subtypes but right now we just have the
        # one
        return BinaryQuadraticModel.from_serializable(obj)
    return obj