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C# Remove an item from a Hashtable

using System;
using System.Collections;

public class Demo {
   public static void Main() {
      Hashtable h = new Hashtable();
      h.Add(1, "Jack");
      h.Add(2, "Henry");
      h.Add(3, "Ben");
      h.Add(4, "Chris");
      Console.WriteLine("Initial list:");
      foreach (var key in h.Keys ) {
         Console.WriteLine("Key = {0}, Value = {1}",key , h[key]);
		}
      
      // removing an item
      h.Remove(3);
      
      Console.WriteLine("New list after removing an item: ");
      foreach (var key in h.Keys ) {
         Console.WriteLine("Key = {0}, Value = {1}",key , h[key]);
      }
   }
}

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