code: def get_dir(main_dir):
      target_dir = f"{main_dir}/{TODAY}"
      if not os.path.exists(target_dir):
          os.makedirs(target_dir)
      return target_dir
  
imports: import os
  from datetime import date
  from ipyparallel_master_project.benchmarks.utils import get_time_stamp
label_desc: Use image node_id 1 for calling a global function with example usage: get_dir(main_dir) and returns: target_dir