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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 _save_assignment(self, node, name=None):
 """save assignement situation since node.parent is not available yet"""

        if self._global_names and node.name in self._global_names[-1]:
            node.root().set_local(node.name, node)
        else:
            node.parent.set_local(node.name, node)