code: def serialize_organization_with_course(organization_course):
      
      return {
          'id': organization_course.organization.id,
          'name': organization_course.organization.name,
          'short_name': organization_course.organization.short_name,
          'description': organization_course.organization.description,
          'logo': organization_course.organization.logo,
          'course_id': organization_course.course_id
      }
docs: OrganizationCourse serialization (composite object)