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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 read_backup_keys(self, recovery_key=False):
 """Retrieve the backup copy of PGP-encrypted unseal keys. The returned value is the nonce of the rekey operation and a map of PGP key fingerprint to hex-encoded PGP-encrypted key. Supported methods: PUT: /sys/rekey/backup. Produces: 200 application/json PUT: /sys/rekey-recovery-key/backup. Produces: 200 application/json :param recovery_key: If true, send requests to "rekey-recovery-key" instead of "rekey" api path. :type recovery_key: bool :return: The JSON response of the request. :rtype: dict """

        api_path = '/v1/sys/rekey/backup'
        if recovery_key:
            api_path = '/v1/sys/rekey-recovery-key/backup'
        response = self._adapter.get(
            url=api_path,
        )
        return response.json()