code: def create_paths(split_dir, short_name):
      """
      This function creates the necessary paths for the train/dev/test splits
  
      :param split_dir: directory that stores the splits
      :return: train path, dev path, test path
      """
      if not short_name:
          short_name = ""
      elif not short_name.endswith("_"):
          short_name = short_name + "_"
  
      train_path = os.path.join(split_dir, "%strain.mrg" % short_name)
      dev_path = os.path.join(split_dir, "%sdev.mrg" % short_name)
      test_path = os.path.join(split_dir, "%stest.mrg" % short_name)
  
      return train_path, dev_path, test_path
  
imports: import os
  import argparse
  import random
label_desc: Use image node_id 2 for calling a global function with example usage: create_paths(split_dir, short_name) and returns: train_path,  dev_path,  test_path