// const arr = [1, 2, 3, 4, 5];
// const replaced = arr
// replaced.splice(2,1,100)
// const removed = [...replaced];
// removed.splice(3,1);
// const updated = [...removed];
// updated.splice(3,0,200);
// console.log(updated);

const arr = [2, 2, 4, 1, 6, 12]

// const ret = arr.map((val, i, array) => {

//     return array.slice(Math.max(0, i - 1), Math.min(array.length - 1, i + 2)) /
//         (Math.max(0, i - 1)-Math.min(array.length - 1, i + 1))
// })

// console.log(ret)

// let min = arr.reduce((acc,x)=>x<acc?x:acc);
// console.log(min)




function groupArr(func,...args){
    return args.reduce(func)
}



const users =