编辑代码

package main
import "fmt"
/*输出hello world*/
func main(){

    // name 变量
    /*声明变量用var*/
    var name string = "tt"

    name = "zz"
 fmt.Println(name)
}
/*
func main(){
    var name string = "tt"

    name = "zz"
 fmt.Println("Hello,World")
}
*/