- using System; 
- using System.Collections.Generic; 
-   
- public class Test 
- { 
-     public static void Main() 
-     { 
-         Dictionary<string, string> myDict = new Dictionary<string, string>(); 
-         myDict.Add("A", "value1"); 
-         myDict.Add("a", "value2"); 
-         foreach (var kvp in myDict) 
-         { 
-             Console.WriteLine(kvp.Key + ": " + kvp.Value); 
-         } 
-     } 
- } 
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