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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 jacobian(self, maps):
 """Returns the Jacobian for transforming mchirp and q to mass1 and mass2. """

        mchirp = maps[parameters.mchirp]
        q = maps[parameters.q]
        return mchirp * ((1.+q)/q**3.)**(2./5)