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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(self, item):
 """ Returns the direct dependencies or dependents of a single item. Does not follow the entire dependency path. :param item: Node to return dependencies for. :return: Immediate dependencies or dependents. """

        e = self._deps.get(item)
        if e is None:
            return self.get_default()
        return e.parent