text: const mongoose = require('mongoose');
  const Schema = mongoose.Schema;
  
  const StudentRequestSchema = new Schema({
      request: {
          type: String,
          required: true
      },
      course: {
          type: String
      },
      grade: {
          type: String
      },
      topic: {
          type: String
      }
  });
  
  module.exports = mongoose.model('studentrequest', StudentRequestSchema);