code: function (message, config, cb) {
          if(typeof config === 'function') {
              cb = config;
              config = {};
          }
          var stdin = config.stdin || process.stdin,
              stdout = config.stdout || process.stdout,
              prompt = config.prompt || '\u203A';
          stdout.write('  ' + message + '\n  ' + prompt + ' ');
          stdin.resume();
          stdin.setEncoding('utf8');
          stdin.on('data', function (text) {
              text = text.trim().replace(/\r\n|\n/, '');
              cb(text);
          });
      }
docs: creates a console prompt and calls the passed callback with the anwser