code: def make_dir(path):
      """Build directory"""
      if not os.path.exists(path):
          os.makedirs(path)
  
file_path: PGL/ogb_examples/graphproppred/ogbg_molpcba/utils/util.py
imports: import os
  import sys
  import warnings
  import numpy
label_desc: Use image node_id 4 for calling a global function with example usage: make_dir(path) without return types