<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def seektime(self, disk):
 """ Gives seek latency on disk which is a very good indication to the `type` of the disk. it's a very good way to verify if the underlying disk type is SSD or HDD :param disk: disk path or name (/dev/sda, or sda) :return: a dict as follows {'device': '<device-path>', 'elapsed': <seek-time in us', 'type': '<SSD or HDD>'} """

        args = {
            'disk': disk,
        }

        self._seektime_chk.check(args)

        return self._client.json("disk.seektime", args)