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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 process_values(self):
 """Takes a set of angles and converts them to the x,y,z coordinates in the internal prepresentation of the class, ready for plotting. :param vals: the values that are being modelled."""


        if self.padding>0:
            channels = np.zeros((self.vals.shape[0], self.vals.shape[1]+self.padding))
            channels[:, 0:self.vals.shape[0]] = self.vals
        else:
            channels = self.vals
        vals_mat = self.skel.to_xyz(channels.flatten())
        self.vals = np.zeros_like(vals_mat)
        # Flip the Y and Z axes
        self.vals[:, 0] = vals_mat[:, 0].copy()
        self.vals[:, 1] = vals_mat[:, 2].copy()
        self.vals[:, 2] = vals_mat[:, 1].copy()