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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 key_rename(self, key_name, new_key_name, **kwargs):
 """Rename a keypair .. code-block:: python {"Was": "bla", "Now": "personal", "Id": "QmeyrRNxXaasZaoDXcCZgryoBCga9shaHQ4suHAYXbNZF3", "Overwrite": False} Parameters key_name : str Current name of the key to rename new_key_name : str New name of the key Returns ------- dict : List of key names and IDs that have been removed """

        args = (key_name, new_key_name)
        return self._client.request('/key/rename', args, decoder='json',
                                    **kwargs)