text: from flask import render_template
  from project.routes import grade_bp
  
  @grade_bp.route('/view/', methods=['GET'])
  def view():
      return render_template('view_classes.html')
  
  @grade_bp.route('/create/', methods=['GET'])
  def create():
      pass
  
  @grade_bp.route('/update/', methods=['GET'])
  def update():
      pass
  
  @grade_bp.route('/delete/', methods=['GET'])
  def delete():
      pass