Added a input variable for the getUserInput to store to, then pass into the Console.WriteLine

Author: twoody0

src/Chapter13/Listing13.15.ParameterlessStatementLambdas.cs

@@ -22,6 +22,7 @@ public static void Main()
             };
         //...
         #endregion INCLUDE
-        Console.WriteLine(getUserInput());
+        string input = getUserInput();
+        Console.WriteLine(input);
     }
 }