<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def sd_mount_status(self):
 """Request for SD Mount status if available. """

        request = {
            "command": "sd_mount_status"
        }
        responses = self.complex_request(request)
        result = None
        if len(responses) > 0:
            result = responses[0].get('status')
        return result