golang str to hex

package main
 
import (
    "encoding/hex"
    "fmt"
)
 
func main() {
    a := "4769676162697445746865726E6574302F302F323400"
    bs, err := hex.DecodeString(a)
    if err != nil {
        panic(err)
    }
    fmt.Println(string(bs))
}