func myAppend(sl []int, val int) []int{
	sl = append(sl, val)
	printSlice(sl)
	return sl
}

func printSlice(sl []int) {
	fmt.Printf("Slice %v\n", sl)
	fmt.Printf("Len %v, Cap %v\n\n", len(sl), cap(sl))
}

func main() {
	sl := make([]int, 1)
	printSlice(sl)
	for i := 1; i < 5; i ++ {
		sl = myAppend(sl, i)
	}
}

/**
* Slice [0]
* Len 1, Cap 1
*
* Slice [0 1]
* Len 2, Cap 2
*
* Slice [0 1 2]
* Len 3, Cap 4
*
* Slice [0 1 2 3]
* Len 4, Cap 4
*
* Slice [0 1 2 3 4]
* Len 5, Cap 8
*/