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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 get_mean_and_stddevs(self, sites, rup, dists, imt, stddev_types):
 """ Implements equation 3.5.1-1 page 148 for mean value and equation 3.5.5-2 page 151 for total standard deviation. See :meth:`superclass method <.base.GroundShakingIntensityModel.get_mean_and_stddevs>` for spec of input and result values. """

        mean = self._get_mean(imt, rup.mag, rup.hypo_depth, dists.rrup, d=0)
        stddevs = self._get_stddevs(stddev_types, dists.rrup)
        mean = self._apply_amplification_factor(mean, sites.vs30)
        return mean, stddevs