monthlyName static method
Custom map to retrieves the months names
Implementation
static Map<int, String> monthlyName(){
return {
1: "january",
2: "february",
3: "march",
4: "april",
5: "may",
6: "june",
7: "july",
8: "august",
9: "september",
10: "october",
11: "november",
12: "december",
};
}