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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 compliance_tensor(self):
 """ returns the Voigt-notation compliance tensor, which is the matrix inverse of the Voigt-notation elastic tensor """

        s_voigt = np.linalg.inv(self.voigt)
        return ComplianceTensor.from_voigt(s_voigt)