func Sort(arr []int) []int {
    for i := 0; i < len(arr)-1; i++ {
        for j := 0; j < len(arr)-i-1; j++ {
            if arr[j] > arr[j+1] {
                temp := arr[j]
                arr[j] = arr[j+1]
                arr[j+1] = temp
            }
        }
    }
    return arr
}