parameters: (title=None, message=None, **options)
return_statement: return _show(title, message, WARNING, OK, **options)
docstring: Show a warning message
docstring_summary: Show a warning message
docstring_tokens: Show a warning message
function: def showwarning(title=None, message=None, **options):
      "Show a warning message"
      return _show(title, message, WARNING, OK, **options)
function_tokens: def showwarning ( title = None , message = None , * * options ) : return _show ( title , message , WARNING , OK , * * options )