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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 deserialize_json(cls, serialized_json):
        '''Return a macaroon deserialized from a string
        @param serialized_json The string to decode {str}
        @return {Macaroon}
        '''
        serialized = json.loads(serialized_json)
        return Macaroon.from_dict(serialized)