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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 LaplaceCentreWeight(self):
 """Centre weighting matrix for TV Laplacian."""


        sz = [1,] * self.S.ndim
        for ax in self.axes:
            sz[ax] = self.S.shape[ax]
        lcw = 2*len(self.axes)*np.ones(sz, dtype=self.dtype)
        for ax in self.axes:
            lcw[(slice(None),)*ax + ([0, -1],)] -= 1.0
        return lcw