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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 sample(self, probs, _covs, idxs, epsilons):
 """ Sample the .loss_ratios with the given probabilities. :param probs: array of E' floats :param _covs: ignored, it is there only for API consistency :param idxs: array of E booleans with E >= E' :param epsilons: array of E floats :returns: array of E' probabilities """

        self.set_distribution(epsilons)
        return self.distribution.sample(self.loss_ratios, probs)