package main import ( "fmt" ) func getUserMap(names []string, phoneNumbers []int) (map[string]user, error) { // ? } // don't touch below this line type user struct { name string phoneNumber int } func test(names []string, phoneNumbers []int) { fmt.Println("Creating map...") defer fmt.Println("====================================") users, err := getUserMap(names, phoneNumbers) if err != nil { fmt.Println(err) return } for _, name := range names { fmt.Printf("key: %v, value:\n", name) fmt.Println(" - name:", users[name].name) fmt.Println(" - number:", users[name].phoneNumber) } } func main() { test( []string{"John", "Bob", "Jill"}, []int{14355550987, 98765550987, 18265554567}, ) test( []string{"John", "Bob"}, []int{14355550987, 98765550987, 18265554567}, ) test( []string{"George", "Sally", "Rich", "Sue"}, []int{20955559812, 38385550982, 48265554567, 16045559873}, ) }