02. List Processor

function result(input) {
  const processor = (() => {
    let arr = [];
    return {
      add: (str) => arr.push(str),
      remove: (str) => arr = arr.filter((el) => el !== str),
      print: () => console.log(arr.join(',')),
    };
  })();

  input.forEach((element) => {
    const [command, value] = element.split(' ');
    processor[command](value);
  });
}