text: 'use strict';
  var mongoose = require('mongoose');
  var Schema = mongoose.Schema;
  
  var StudentSchema = new Schema({
      first_name: {
          type: String
      },
      last_name: {
          type: String
      },
      email: {
          type: String
      },
      age : {
          type: Number
      },
      grade: {
          type: Number
      }
  });
  
  module.exports = mongoose.model('Student', StudentSchema);