[Go] Modifying the elements in an array.

package main

import "fmt"

func main() {
    arr := [5]int{1, 2, 3, 4, 5}

    for i := 0; i < len(arr); i++ {
        arr[i] = arr[i] * arr[i]
    }

    for _, e := range arr {
        fmt.Println(e)
    }
}