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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 run(self, *args):
 """Merge two identities. When <from_uuid> or <to_uuid> are empty the command does not have any effect. The same happens when both <from_uuid> and <to_uuid> are the same unique identity. """

        params = self.parser.parse_args(args)

        from_uuid = params.from_uuid
        to_uuid = params.to_uuid

        code = self.merge(from_uuid, to_uuid)

        return code