## previous_pre_order(root_node) {#node} Gets the previous node according to the pre-order tree traversal algorithm. ```python def previous_pre_order(self, root_node: aspose.words.Node): ... ``` | ......len(list(filter(lambda s: s.has_image, list(filter(lambda a:...len(list(filter(lambda s: s.has_image, list(filter(lambda a:...