code: def asfactor_basic():
      # Log.info("Printing out the head of the cars datasets")
      h2oframe = h2o.import_file(
          path=pyunit_utils.locate("smalldata/junit/cars.csv")
      )
      h2oframe.show()
  
      h2oframe["cylinders"].show()
      foo = h2oframe["cylinders"]
      foo.show()
  
      h2oframe["cylinders"].asfactor().show()
  
      meow = h2oframe["cylinders"].asfactor()
      meow.show()
  
      foo = h2oframe["cylinders"].isfactor()[0]
      assert not foo, "expected the foo H2OVec to be a not factor"
  
      h2oframe["cylinders"] = h2oframe["cylinders"].asfactor()
      h2oframe.show()
  
      bar = h2oframe["cylinders"].isfactor()[0]
      assert bar, "expected the bar H2OVec to be a factor"
  
label_desc: Use image node_id 1 for calling a global function with example usage: asfactor_basic() without return types