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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 _compute_vs30_star_factor(self, imt, vs30):
 """ Compute and return vs30 star factor, equation 5, page 77. """

        v1 = self._compute_v1_factor(imt)
        vs30_star = vs30.copy()
        vs30_star[vs30_star >= v1] = v1

        return vs30_star, v1