def delete_asset_content(self, asset_content_id=None):
if asset_content_id is None:<EOL><INDENT>raise NullArgument()<EOL><DEDENT>asset = None<EOL>for a in AssetLookupSession(self._repository_id,<EOL>proxy=self._proxy,<EOL>runtime=self._runtime).get_assets():<EOL><INDENT>i = <NUM_LIT:0><EOL>for ac in a.get_asset_contents():<EOL><INDENT>if ac.get_id() == asset_content_id:<EOL><INDENT>asset = a<EOL>asset_content = ac<EOL>index = i<EOL><DEDENT>i += <NUM_LIT:1><EOL><DEDENT><DEDENT>if asset is None:<EOL><INDENT>raise NotFound()<EOL><DEDENT>asset._my_map['<STR_LIT>'].pop(index)<EOL>url_path = construct_url('<STR_LIT>',<EOL>bank_id=self._catalog_idstr)<EOL>try:<EOL><INDENT>result = self._put_request(url_path, asset._my_map)<EOL><DEDENT>except Exception:<EOL><INDENT>raise<EOL><DEDENT>
Deletes content from an ``Asset``.

        :param asset_content_id: the ``Id`` of the ``AssetContent``
        :type asset_content_id: ``osid.id.Id``
        :raise: ``NotFound`` -- ``asset_content_id`` is not found
        :raise: ``NullArgument`` -- ``asset_content_id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

        *compliance: mandatory -- This method must be implemented.*