code: def _create_if_not_exist(path):
      basedir = os.path.dirname(path)
      if not os.path.exists(basedir):
          os.makedirs(basedir)
  
file_path: PGL/ogb_examples/linkproppred/ogbl-ppa/monitor/train_monitor.py
imports: import tqdm
  import json
  import numpy
  import sys
  import os
  import paddle.fluid
  from pgl.utils.log_writer import LogWriter
  from ogb.linkproppred import Evaluator
  from ogb.linkproppred import LinkPropPredDataset
label_desc: Use image node_id 3 for calling a global function with example usage: _create_if_not_exist(path) without return types