<commit_before>var koa = require('koa');
var app = koa();

console.log("Koa listening on localhost:3000")

app.use(function *(){
  this.body = 'Hello World';
});

app.listen(3000);
<commit_msg>Oops, lets switch this over to express too<commit_after>var express = require('express');
var app = express();

app.get('/', function (req, res) {
  res.send('Hello World!');
});

app.listen(3000, function () {
  console.log('Example app listening on port 3000!');
});
{'fraction_non_alphanumeric': 0.18872017353579176, 'fraction_numerical': 0.03470715835140998, 'mean_word_length': 5.243243243243243, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '56003', 'n_tokens_mistral': 166, 'n_tokens_neox': 151, 'n_words': 42}