code: def main():
      """
      Main function for the script
  
      Process args, loop through each tree in each file in the directory
      and write the trees to the train/dev/test split with a split of
      70/15/15
      """
      parser = argparse.ArgumentParser(
          description="Script that splits a list of files of vtb trees into train/dev/test sets",
      )
      parser.add_argument(
          "org_dir",
          help="The location of the original directory storing correctly formatted vtb trees ",
      )
      parser.add_argument(
          "split_dir",
          help="The location of new directory storing the train/dev/test set",
      )
  
      args = parser.parse_args()
  
      org_dir = args.org_dir
      split_dir = args.split_dir
  
      random.seed(1234)
  
      split_files(org_dir, split_dir)
  
imports: import os
  import argparse
  import random
label_desc: Use image node_id 5 for calling a global function with example usage: main() without return types