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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 guest_delete_disks(self, userid, disk_vdev_list):
 """Delete disks from an existing guest vm. :param userid: (str) the userid of the vm to be deleted :param disk_vdev_list: (list) the vdev list of disks to be deleted, for example: ['0101', '0102'] """

        action = "delete disks '%s' from guest '%s'" % (str(disk_vdev_list),
                                                        userid)
        with zvmutils.log_and_reraise_sdkbase_error(action):
            self._vmops.delete_disks(userid, disk_vdev_list)