code: def test_loading():
      # smoke test
      ames = load_ames()
      assert ames.shape == (2930, 82)
      titanic = load_titanic()
      assert titanic.shape == (1309, 14)
      adult = load_adult()
      assert adult.shape == (32561, 15)
  
      pd.read_csv(data_path("titanic.csv"))
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_loading() without return types