old_contents: 'use strict';
  
  const http = require('http');
  
  let request = {};
  
  request.get = function(url) {
    return new Promise((resolve, reject) => {
      let req = http.get(url, (res) => {
        if ([400, 401, 03, 404].includes(res.statusCode)) {
          reject(new Error(`GET request to ${url} failed, status: ${res.statusCode}`));
        }
  
        let body = [];
  
        res.on('data', (chunk) => body.push(chunk));
        res.on('end', () => resolve(body.join('')));
      });
  
      req.on('error', (err) => reject(err));
    });
  };
  
  request.post = function(options, data) {
    return new Promise((resolve, reject) => {
      let req = http.request(options, (res) => {
        res.setEncoding('utf8');
        console.log(`STATUS: ${res.statusCode}`);
        console.log(`HEADERS: ${JSON.stringify(res.headers)}`);
  
        let body = [];
  
        res.on('data', (chunk) => body.push(chunk));
        res.on('end', () => resolve(body.join('')));
      });
  
      req.on('error', (err) => reject(err));
      req.write(data);
      req.end();
    });
  };
  
  module.exports = request;
new_contents: 'use strict';
  
  const http = require('http');
  
  let request = {};
  
  request.get = function(url) {
    return new Promise((resolve, reject) => {
      let req = http.get(url, (res) => {
        if ([400, 401, 403, 404].includes(res.statusCode)) {
          reject(new Error(`GET request to ${url} failed, status: ${res.statusCode}`));
        }
  
        let body = [];
  
        res.on('data', (chunk) => body.push(chunk));
        res.on('end', () => resolve(body.join('')));
      });
  
      req.on('error', (err) => reject(err));
    });
  };
  
  request.post = function(options, data) {
    return new Promise((resolve, reject) => {
      let req = http.request(options, (res) => {
        res.setEncoding('utf8');
        console.log(`STATUS: ${res.statusCode}`);
        console.log(`HEADERS: ${JSON.stringify(res.headers)}`);
  
        let body = [];
  
        res.on('data', (chunk) => body.push(chunk));
        res.on('end', () => resolve(body.join('')));
      });
  
      req.on('error', (err) => reject(err));
      req.write(data);
      req.end();
    });
  };
  
  module.exports = request;
subject: Fix type in client error codes