Method left_child

demo/guide-python/model_parser.py:96–98

Left child ID of a node.

(self, node_id: int)

        return self.nodes[node_id].parent

    def left_child(self, node_id: int) -> int:
        """Left child ID of a node."""
        return self.nodes[node_id].left

    def right_child(self, node_id: int) -> int:
        """Right child ID of a node."""