add: if statement exercises

11-if/exercises/09-days-in-month/main.go

@@ -0,0 +1,90 @@
+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package main
+
+// ---------------------------------------------------------
+// EXERCISE: Days in a Month
+//
+//  Print the number of days in a given month.
+//
+// RESTRICTIONS
+//  1. On a leap year, february should print 29. Otherwise, 28.
+//
+//     Set your computer clock to 2020 to see whether it works.
+//
+//  2. It should work case-insensitive. See below.
+//
+//     Search on Google: golang pkg strings ToLower
+//
+//  3. Get the current year using the time.Now()
+//
+//     Search on Google: golang pkg time now year
+//
+//
+// EXPECTED OUTPUT
+//
+//  -----------------------------------------
+//  Your solution should not accept invalid months
+//  -----------------------------------------
+//  go run main.go
+//    Give me a month name
+//
+//  go run main.go sheep
+//    "sheep" is not a month.
+//
+//  go run main.go january
+//    "january" has 31 days.
+//
+//  -----------------------------------------
+//  Your solution should handle the leap years
+//  -----------------------------------------
+//  go run main.go february
+//    "february" has 28 days.
+//
+//  go run main.go march
+//    "march" has 31 days.
+//
+//  go run main.go april
+//    "april" has 30 days.
+//
+//  go run main.go may
+//    "may" has 31 days.
+//
+//  go run main.go june
+//    "june" has 30 days.
+//
+//  go run main.go july
+//    "july" has 31 days.
+//
+//  go run main.go august
+//    "august" has 31 days.
+//
+//  go run main.go september
+//    "september" has 30 days.
+//
+//  go run main.go october
+//    "october" has 31 days.
+//
+//  go run main.go november
+//    "november" has 30 days.
+//
+//  go run main.go december
+//    "december" has 31 days.
+//
+//  -----------------------------------------
+//  Your solution should be case insensitive
+//  -----------------------------------------
+//  go run main.go DECEMBER
+//    "DECEMBER" has 31 days.
+//
+//  go run main.go dEcEmBeR
+//    "dEcEmBeR" has 31 days.
+// ---------------------------------------------------------
+
+func main() {
+}