// < метод set аналог в python >
    function set(max, min=[]){
        function uniqFun(val) {return val.filter((element, index, array) => array.indexOf(element) === index);}
        var uniq = {
        set1: function() {this.set1 = uniqFun(max)},
        set2: function() {this.set2 = uniqFun(min)},
        minus: function() {
        const namesArr = this.set1;
        const namesToDeleteArr = this.set2;
        const namesToDeleteSet = new Set(namesToDeleteArr);
        return namesArr.filter((name) => {
        return !namesToDeleteSet.has(name);
        });
        },
        plus: function(){
         const set1 =  this.set1;
         const set2 =  this.set2;
         const set3 = set1.concat(set2);
         return  uniqFun(set3)
        }
     }
    uniq.set1();  uniq.set2();
    return uniq
    }
// < / метод set аналог в python >