public function postAddOrEditSection(Request $request)
 {
     $class_id = $request->input('class_id');
     $section_name = $request->input('section_name');
     $section_id = $request->input('section_id');
     $input = ['class_id' => $class_id, 'section_id' => $section_id, 'section_name' => $section_name];
     $validator = validator::make($request->all(), ['class_id' => 'required', 'section_name' => 'required']);
     if ($validator->fails()) {
         return ApiResponseClass::errorResponse('You Have Some Input Errors. Please Try Again!!', $input, $validator->errors());
     } else {
         $section = Sections::findOrNew($section_id);
         $section->section_name = ucwords($section_name);
         $section->class_id = $class_id;
         if ($section->save()) {
             return ApiResponseClass::successResponse($section, $input);
         }
     }
     return ApiResponseClass::errorResponse('There is Something Wrong. Please Try Again!!', $input);
 }