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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 get_view_nodes_from_indexes(self, *indexes):
 """ Returns the View Nodes from given indexes. :param view: View. :type view: QWidget :param \*indexes: Indexes. :type \*indexes: list :return: View nodes. :rtype: dict """


        nodes = {}
        model = self.model()
        if not model:
            return nodes

        if not hasattr(model, "get_node"):
            raise NotImplementedError(
                "{0} | '{1}' Model doesn't implement a 'get_node' method!".format(__name__, model))

        if not hasattr(model, "get_attribute"):
            raise NotImplementedError(
                "{0} | '{1}' Model doesn't implement a 'get_attribute' method!".format(__name__, model))

        for index in indexes:
            node = model.get_node(index)
            if not node in nodes:
                nodes[node] = []
            attribute = model.get_attribute(node, index.column())
            attribute and nodes[node].append(attribute)
        return nodes