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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 postadressen(self):
        '''
        Returns the postadressen for this Perceel.

        Will only take the huisnummers with status `inGebruik` into account.

        :rtype: list 
        '''
        return [h.postadres for h in self.huisnummers if h.status.id == '3']