code: def cleanup_all(data_home=None):
      """
      Cleans up all the example datasets in the data directory specified by
      ``get_data_home`` either to clear up disk space or start from fresh.
      """
      removed = 0
      for name, meta in DATASETS.items():
          _, ext = os.path.splitext(meta["url"])
          removed += cleanup_dataset(name, data_home=data_home, ext=ext)
  
      print(
          "Removed {} fixture objects from {}".format(
              removed, get_data_home(data_home)
          )
      )
  
file_path: yellowbrick/yellowbrick/download.py
imports: import os
  import argparse
  from yellowbrick.datasets import get_data_home
  from yellowbrick.datasets.loaders import DATASETS
  from yellowbrick.datasets.download import download_data
  from yellowbrick.datasets.path import cleanup_dataset
label_desc: Use image node_id 2 for calling a global function with example usage: cleanup_all(data_home) without return types