code: def h2o_H2OFrame_names():
      """
      Python API test: h2o.frame.H2OFrame.names
  
      Copied from runit_lstrip.R
      """
      iris = h2o.import_file(
          path=pyunit_utils.locate(
              "smalldata/iris/iris_wheader_NA_2.csv"
          )
      )
      newframe = iris.names
      assert_is_type(newframe, list)
      assert (
          len(newframe) == iris.ncol
      ), "h2o.H2OFrame.names command is not working."
  
imports: import sys
  import h2o
  from tests import pyunit_utils
  from h2o.utils.typechecks import assert_is_type
label_desc: Use image node_id 1 for calling a global function with example usage: h2o_H2OFrame_names() without return types