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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 logpdf(self, mu):
 """ Log PDF for Laplace prior Parameters mu : float Latent variable for which the prior is being formed over Returns - log(p(mu)) """

        if self.transform is not None:
            mu = self.transform(mu)    
        return ss.laplace.logpdf(mu, loc=self.loc0, scale=self.scale0)