ᅠ
sum(_ arr: [Any]) -> Int
{
var res = 0
for i in 0..<arr.count{
if let numb = arr[i] as? Int {
res += numb
}
else if let numb = arr[i] as? String{
if let numb2 = Int(numb){
res += numb2
}
}
}
return res
}




