code: def clear_data_home(data_home=None):
      """Delete all the content of the data home cache."""
      data_home = get_data_home(data_home)
      shutil.rmtree(data_home)
  
file_path: tick/tick/dataset/download_helper.py
imports: import logging
  from urllib.request import urlopen
  import os
  import shutil
  import numpy
  from sklearn.datasets import load_svmlight_file
  import math
  import warnings
label_desc: Use image node_id 7 for calling a global function with example usage: clear_data_home(data_home) without return types