code: def isin_check():
      cars = h2o.import_file(
          path=pyunit_utils.locate("smalldata/junit/cars_20mpg.csv")
      )
  
      assert (
          cars[0].isin("AMC Gremlin") == (cars[0] == "AMC Gremlin")
      ).all()
      assert (cars[2].isin(6) == (cars[2] == 6)).all()
      assert not (
          cars.isin(["AMC Gremlin", "AMC Concord DL"])
          == cars.isin("AMC Gremlin")
      ).all()
      assert (
          cars.isin(["AMC Gremlin", "AMC Concord DL", 6])
          == cars.isin("AMC Gremlin")
          + cars.isin("AMC Concord DL")
          + cars.isin(6)
      ).all()
  
label_desc: Use image node_id 1 for calling a global function with example usage: isin_check() without return types