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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 load_json(self, json):
 """Loads existing config from JSON"""

        for key in json:
            if key == "wandb_version":
                continue
            self._items[key] = json[key].get('value')
            self._descriptions[key] = json[key].get('desc')