<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def copy(self, target=None, name=None):
 """ Asynchronously creates a copy of this DriveItem and all it's child elements. :param target: target location to move to. If it's a drive the item will be moved to the root folder. :type target: drive.Folder or Drive :param name: a new name for the copy. :rtype: CopyOperation """

        if target is None and name is None:
            raise ValueError('Must provide a target or a name (or both)')

        if isinstance(target, Folder):
            target_id = target.object_id
            drive_id = target.drive_id
        elif isinstance(target, Drive):
            # we need the root folder
            root_folder = target.get_root_folder()
            if not root_folder:
                return None
            target_id = root_folder.object_id
            drive_id = root_folder.drive_id
        elif target is None:
            target_id = None
            drive_id = None
        else:
            raise ValueError('Target, if provided, must be a Folder or Drive')

        if not self.object_id:
            return None

        if target_id == 'root':
            raise ValueError("When copying, target id can't be 'root'")

        url = self.build_url(
            self._endpoints.get('copy').format(id=self.object_id))

        if target_id and drive_id:
            data = {'parentReference': {'id': target_id, 'driveId': drive_id}}
        else:
            data = {}
        if name:
            # incorporate the extension if the name provided has none.
            if not Path(name).suffix and self.name:
                name = name + Path(self.name).suffix
            data['name'] = name

        response = self.con.post(url, data=data)
        if not response:
            return None

        # Find out if the server has run a Sync or Async operation
        location = response.headers.get('Location', None)

        if 'monitor' in location:
            # Async operation
            return CopyOperation(parent=self.drive, monitor_url=location)
        else:
            # Sync operation. Item is ready to be retrieved
            path = urlparse(location).path
            item_id = path.split('/')[-1]
            return CopyOperation(parent=self.drive, item_id=item_id)