code: def test_set_operations_with_iterator(self):
      origin = {1: 2, 3: 4}
      self.assertEqual(origin.keys() & iter([1, 2]), {1})
      self.assertEqual(origin.keys() | iter([1, 2]), {1, 2, 3})
      self.assertEqual(origin.keys() ^ iter([1, 2]), {2, 3})
      self.assertEqual(origin.keys() - iter([1, 2]), {3})
  
      items = origin.items()
      self.assertEqual(items & iter([(1, 2)]), {(1, 2)})
      self.assertEqual(items ^ iter([(1, 2)]), {(3, 4)})
      self.assertEqual(items | iter([(1, 2)]), {(1, 2), (3, 4)})
      self.assertEqual(items - iter([(1, 2)]), {(3, 4)})
  
imports: import collections.abc
  import copy
  import pickle
  import unittest
  from test.support import Py_C_RECURSION_LIMIT
label_desc: Use image node_id 9 for calling the DictSetTest obj's underlying member method code with example usage: obj.test_set_operations_with_iterator() without return types