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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 _app_config_select(self, request, obj):
 """ Return the select value for apphook configs :param request: request object :param obj: current object :return: False if no preselected value is available (more than one or no apphook config is present), apphook config instance if exactly one apphook config is defined or apphook config defined in the request or in the current object, False otherwise """

        if not obj and not request.GET.get(self.app_config_attribute, False):
            config_model = get_apphook_model(self.model, self.app_config_attribute)
            if config_model.objects.count() == 1:
                return config_model.objects.first()
            return None
        elif obj and getattr(obj, self.app_config_attribute, False):
            return getattr(obj, self.app_config_attribute)
        elif request.GET.get(self.app_config_attribute, False):
            config_model = get_apphook_model(self.model, self.app_config_attribute)
            return config_model.objects.get(
                pk=int(request.GET.get(self.app_config_attribute, False))
            )
        return False