day37 LU2

let arr = [mango,apple,banana,kiwi,grapes]
let n = arr.length
function foreaach(arr,callback){
for(let i = 0;i<=n-1;i++){
callback(arr[i],i);
}
}

let result = foreaach(arr,(item,index)=>{
console.log(${index}.${item})
})

let string1="welcome";
let string2=" to"
let string3=" Gandhi road"

function concat(...strings){
var sum = " ";
for( string of strings){
sum += string
}
return sum;
}

let final = concat(string1, string2 ,string3)
console.log(final)