/**
  * Update the specified resource in storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function update(Request $request, $id)
 {
     $input = $request->input();
     $scheduled_course = ScheduledCourse::find($id);
     $scheduled_course->course_id = $input['course_id'];
     $scheduled_course->session_id = $input['session_id'];
     $scheduled_course->save();
 }