code: def import_multi():
      airlines = h2o.import_file(
          path=[
              pyunit_utils.locate(
                  "smalldata/testng/airlines_train.csv"
              ),
              pyunit_utils.locate("smalldata/testng/airlines_test.csv"),
          ]
      )
  
      assert airlines.nrows == 24421 + 2691
  
label_desc: Use image node_id 1 for calling a global function with example usage: import_multi() without return types