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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 mustExposeRequest(self, service_request):
 """ Decides whether the underlying http request should be exposed as the first argument to the method call. This is granular, looking at the service method first, then at the service level and finally checking the gateway. @rtype: C{bool} """

        expose_request = service_request.service.mustExposeRequest(service_request)

        if expose_request is None:
            if self.expose_request is None:
                return False

            return self.expose_request

        return expose_request