diff --git a/01_basics/02_data_types/main.go b/01_basics/02_data_types/main.go
index 5042a74..5746f53 100644
--- a/01_basics/02_data_types/main.go
+++ b/01_basics/02_data_types/main.go
@@ -19,4 +19,12 @@ func main() {
 	fmt.Printf("integer: %d, float: %f, boolean: %t, string: %s\n",
 		integer, float, boolean, str)
 	fmt.Printf("array: %v, slice: %v\n", array, slice)
+
+	var mapExample map[string]int = map[string]int{
+		"one": 1,
+		"two": 2,
+	}
+
+	exo := mapExample["one"]
+	fmt.Printf("mapExample: %v, mapExample[\"one\"]: %d\n", mapExample, exo)
 }