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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 vi_change_param(self, index, value):
 """ Wrapper function for changing latent variables - variational inference Parameters index : int 0 or 1 depending on which latent variable value : float What to change the latent variable to """

        if index == 0:
            self.mu0 = value
        elif index == 1:
            self.sigma0 = np.exp(value)