code: def test_views():
      storage = BaseStorage(x=1, y=2, z=3)
  
      assert str(storage.keys()) == "KeysView({'x': 1, 'y': 2, 'z': 3})"
      assert len(storage.keys()) == 3
      assert list(storage.keys()) == ["x", "y", "z"]
  
      assert (
          str(storage.values())
          == "ValuesView({'x': 1, 'y': 2, 'z': 3})"
      )
      assert len(storage.values()) == 3
      assert list(storage.values()) == [1, 2, 3]
  
      assert (
          str(storage.items()) == "ItemsView({'x': 1, 'y': 2, 'z': 3})"
      )
      assert len(storage.items()) == 3
      assert list(storage.items()) == [("x", 1), ("y", 2), ("z", 3)]
  
      args = ["x", "z", "foo"]
  
      assert str(storage.keys(*args)) == "KeysView({'x': 1, 'z': 3})"
      assert len(storage.keys(*args)) == 2
      assert list(storage.keys(*args)) == ["x", "z"]
  
      assert (
          str(storage.values(*args)) == "ValuesView({'x': 1, 'z': 3})"
      )
      assert len(storage.values(*args)) == 2
      assert list(storage.values(*args)) == [1, 3]
  
      assert str(storage.items(*args)) == "ItemsView({'x': 1, 'z': 3})"
      assert len(storage.items(*args)) == 2
      assert list(storage.items(*args)) == [("x", 1), ("z", 3)]
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_views() without return types