code: def pytest_assertrepr_compare(config, op, left, right):
      """return explanation for comparisons in failing assert expressions.
  
      Return None for no custom explanation, otherwise return a list
      of strings.  The strings will be joined by newlines but any newlines
      *in* a string will be escaped.  Note that all but the first line will
      be indented slightly, the intention is for the first line to be a summary.
  
      :param _pytest.config.Config config: pytest config object
      """
  
imports: from pluggy import HookspecMarker
  from _pytest.deprecated import PYTEST_LOGWARNING
label_desc: Use image node_id 42 for calling a global function with example usage: pytest_assertrepr_compare(config, op, left, right) without return types