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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 _itemsLoadedDone(self, data):
 """ Called when all items are loaded """

        if data is None:
            return
        self.continuation   = data.get('continuation', None)
        self.lastUpdated    = data.get('updated', None)
        self.lastLoadLength = len(data.get('items', []))
        self.googleReader.itemsToObjects(self, data.get('items', []))
        self.lastLoadOk = True