code: def test_deduplicate_already_used():
      mappings, new_ids = deduplicate(
          ["0", "0_1", "0"], already_used={"0_1", "0_2"}
      )
      assert mappings == [("0_1", "0_1_1"), ("0", "0_3")]
      assert new_ids == ["0", "0_1_1", "0_3"]
  
label_desc: Use image node_id 3 for calling a global function with example usage: test_deduplicate_already_used() without return types