code: def default_result_dir(base=""):
      return os.path.join(
          os.path.dirname(__file__),
          "results",
          base,
          "{:%Y_%m_%d_%H_%M_%S}".format(datetime.datetime.now()),
      )
  
file_path: tick/tools/benchmark/benchmark_util.py
imports: import datetime
  import os
  from subprocess import PIPE, run
  from tick.array.serialize import serialize_array
  from tick.dataset import fetch_tick_dataset
  from tick.dataset.fetch_url_dataset import fetch_url_dataset
label_desc: Use image node_id 4 for calling a global function with example usage: default_result_dir(base) and returns: os