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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, key):
 """Get a key-value from storage according to the key name. """

        data = r_kv.get(key)
        # data = json.dumps(data) if isinstance(data, str) else data
        # data = json.loads(data) if data else {}

        return build_response(dict(data=data, code=200))