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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 _valid_numpy_subdtype(x, numpy_types):
 """ Is any dtype from numpy_types superior to the dtype of x? """

    # If any of the types given in numpy_types is understood as numpy.generic,
    # all possible x will be considered valid.  This is probably unwanted.
    for t in numpy_types:
        assert not np.issubdtype(np.generic, t)

    return any(np.issubdtype(x.dtype, t) for t in numpy_types)