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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:
 async def logout(self, request):
 """ Simple handler for logout """

        if "Authorization" not in request.headers:
            msg = "Auth header is not present, can not destroy token"
            raise JsonValidaitonError(msg)

        response = json_response()
        await forget(request, response)

        return response