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const express = require('express');
const app = express();


const sayHello =  function(options = {}) {
  return function (req, res, next) {
    console.log('hello');
    next();
  }
};

const sayHolla =  function(option = {})  {
  return function (req, res, next) {
    console.log('wolf');
    next();
  }
}

app.use('/', sayHello(), sayHolla(), (req, res) => {
  res.end();
});

app.listen(3000);