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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 gradients(self):
 """Return the gradient as a pair of numpy arrays. Returns ------- :obj:`tuple` of :obj:`numpy.ndarray` of float The gradients of the image along each dimension. """

        g = np.gradient(self.data.astype(np.float32))
        return g