// map_days.go package main import ( "fmt" ) var Days = map[int]string{1:"monday", 2:"tuesday", 3: "wednesday", 4: "thursday", 5: "friday", 6: "saturday", 7: "sunday"} func main() { fmt.Println(Days) // fmt.Printf("%v", Days) flagHolliday := false for k, v := range Days { if v == "thursday" || v == "holliday" { fmt.Println(v, " is the ", k , "th day in the week") if v == "holliday" { flagHolliday = true } } } if !flagHolliday { fmt.Println("holliday is not a day!") } } /* Output: thursday is the 4 th day in the week holliday is not a day! */