package main
import (
"fmt"
)
func modify(sls []int) {
sls[0] = 90
}
func main() {
a := [3]int{89, 90, 91}
modify(a[:])
fmt.Println(a)
b := []int{100,200,300}
fmt.Println(b[:])
fmt.Println(b[:1])
