code: def test_parallel_map():
      assert parallel_map(
          lambda s: s.upper(), ["a", "b", "c", "d", "e", "f"]
      ) == [
          "A",
          "B",
          "C",
          "D",
          "E",
          "F",
      ]
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_parallel_map() without return types