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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def assertTraceDoesNotContain(response, message):
 """ Raise TestStepFail if response.verify_trace finds message from response traces. :param response: Response. Must contain method verify_trace :param message: Message to look for :return: Nothing :raises: AttributeError if response does not contain verify_trace method. TestStepFail if verify_trace returns True. """

    if not hasattr(response, "verify_trace"):
        raise AttributeError("Response object does not contain verify_trace method!")
    if response.verify_trace(message, False):
        raise TestStepFail('Assert: Message(s) "%s" in response' % message)