code: def continuous_or_categorical():
      df_hex = h2o.import_file(
          pyunit_utils.locate("smalldata/jira/hexdev_29.csv"),
          col_types=["enum"] * 3,
      )
  
      df_hex.summary()
  
      assert df_hex["h1"].isfactor()
      assert df_hex["h2"].isfactor()
      assert df_hex["h3"].isfactor()
  
label_desc: Use image node_id 1 for calling a global function with example usage: continuous_or_categorical() without return types