Populate Map Golang : How i can populate this map on Golang?
i Try two for, but not add news key. i want create a matrix mult, some help is welcome.
    Thanks.

	func main() {
	ProgPorLetra := map[string]map[string]string{
		"Seg": {},
		"Ter": {},
		"Qua": {},
		"Qui": {},
		"Sex": {},
		"Sab": {},
		"Dom": {},
	}
	i := 0
	for i < 6 {
		switch i {
		case 1:
			ProgPorLetra["Seg"]["Valor"] = "Segunda"
		case 2:
			ProgPorLetra["Ter"]["Valor"] = "Terça"
		case 3:
			ProgPorLetra["Qua"]["Valor"] = "Quarta"
		case 4:
			ProgPorLetra["Qui"]["Valor"] = "Quinta"
		case 5:
			ProgPorLetra["Sex"]["Valor"] = "Sexta"
		case 6:
			ProgPorLetra["Sab"]["Valor"] = "Sabado"
		case 0:
			ProgPorLetra["Dom"]["Valor"] = "Domingo"
		}
		i++

	}
	fmt.Println(ProgPorLetra)
}