code: def test_different_markers_different_hashes(self, example1, example2):
      marker1, marker2 = Marker(example1), Marker(example2)
      # Markers created from strings that are not equivalent should differ.
      assert marker1 != marker2
      # Different Marker objects should have different hashes.
      assert hash(marker1) != hash(marker2)
  
imports: import collections
  import itertools
  import os
  import platform
  import sys
  from typing import cast
  import pytest
  from packaging._parser import Node
  from packaging.markers import InvalidMarker, Marker, UndefinedComparison, default_environment, format_full_version
label_desc: Use image node_id 4 for calling the TestMarker obj's underlying member method code with example usage: obj.test_different_markers_different_hashes(example1, example2) without return types