code: def list(self, request):
          
          catalog_api = CourseCatalogApiClient(request.user)
          catalogs = catalog_api.get_paginated_catalogs(request.GET)
          self.ensure_data_exists(request, catalogs)
          serializer = serializers.ResponsePaginationSerializer(catalogs)
          return get_paginated_response(serializer.data, request)
docs: DRF view to list all catalogs.
  
          Arguments:
              request (HttpRequest): Current request
  
          Returns:
              (Response): DRF response object containing course catalogs.