func HandleList(w http.ResponseWriter, r *http.Request) {
list := helloworld.Langauges()
json, err := json.Marshal(list)
if err != nil {
handleError(w, err)
return
}
sendJSON(w, string(json))
}
func listLanguages() {
list := helloworld.Langauges()
fmt.Printf("Valid lanugages are: \n %v\n", list)
}