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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 logp_plus_loglike(self):
        '''
        The summed log-probability of all stochastic variables that depend on
        self.stochastics, and self.stochastics.
        '''
        sum = logp_of_set(self.markov_blanket)
        if self.verbose > 2:
            print_('\t' + self._id +
                   ' Current log-likelihood plus current log-probability', sum)
        return sum