var b,f,s=true, 2.3, "four" fmt.Printf("%v, %v, %v\n", b, f, s)

if f, err := os.Open("test.png"); err != nil { return } f.Close()

func delta(old, new int) int { return new - old }

medals := []string{"gold", "sliver", "bronze"} fmt.Printf("nedals: %v\n", medals)