package main
import "fmt"

func main(){
	slice := make([]int, 0)
	//apending
	slice = append(slice, 0)
	slice = append(slice, []int{1,2,3}...)
	fmt.Println(slice)
	//resize
	newSlice := make([]int, len(slice)+5)
	copy(newSlice, slice)
	slice = newSlice
	slice[4] = 11
	slice[5] = 12
	fmt.Println(slice)
}