code: def make_dir(input_directory):
      """Convenience function that adds os.path.exists to os.makedirs"""
  
      if not os.path.exists(input_directory):
          os.makedirs(input_directory)
  
file_path: DeepNeuro/deepneuro/utilities/util.py
imports: import glob
  import math
  import numpy
  import os
  import fnmatch
  import sys
label_desc: Use image node_id 9 for calling a global function with example usage: make_dir(input_directory) without return types