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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 set_model(self, model):
 """ Set a model instance for the model being queried. :param model: The model instance :type model: orator.orm.Model :return: The current Builder instance :rtype: Builder """

        self._model = model

        self._query.from_(model.get_table())

        return self