export const deepCopy = (obj: any) => {
    if (obj === null || typeof obj !== 'object') {
        return obj;
    }

    if (obj instanceof Date) {
        return new Date(obj.getTime());
    }

    if (obj instanceof Array) {
        return obj.reduce((arr, item, i) => {
            arr[i] = deepCopy(item);
            return arr;
        }, []);
    }

    if (obj instanceof Object) {
        return Object.keys(obj).reduce((newObj: any, key) => {
            newObj[key] = deepCopy(obj[key]);
            return newObj;
        }, {});
    }
}
checkList.value = deepCopy(examQuestions.multiple_choice)