Initial data commit

Task/Dynamic-variable-names/C-sharp/dynamic-variable-names.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Dynamic;
+using System.Collections.Generic;
+
+public class Program
+{
+    public static void Main()
+    {
+        string varname = Console.ReadLine();
+        //Let's pretend the user has entered "foo"
+        dynamic expando = new ExpandoObject();
+        var map = expando as IDictionary<string, object>;
+        map.Add(varname, "Hello world!");
+
+        Console.WriteLine(expando.foo);
+    }
+}