add: if statement exercises

11-if/exercises/06-odd-even/solution/main.go

@@ -0,0 +1,35 @@
+// 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
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+)
+
+func main() {
+	if len(os.Args) != 2 {
+		fmt.Println("Pick a number")
+		return
+	}
+
+	n, err := strconv.Atoi(os.Args[1])
+	if err != nil {
+		fmt.Printf("%q is not a number\n", os.Args[1])
+		return
+	}
+
+	if n%8 == 0 {
+		fmt.Printf("%d is an even number and it's divisible by 8\n", n)
+	} else if n%2 == 0 {
+		fmt.Printf("%d is an even number\n", n)
+	} else {
+		fmt.Printf("%d is an odd number\n", n)
+	}
+}