<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def read_leader_status(self):
 """Read the high availability status and current leader instance of Vault. Supported methods: GET: /sys/leader. Produces: 200 application/json :return: The JSON response of the request. :rtype: dict """

        api_path = '/v1/sys/leader'
        response = self._adapter.get(
            url=api_path,
        )
        return response.json()