diff --git a/Prog/Collections.md b/Prog/Collections.md
index 0878487..c85a6c6 100644
--- a/Prog/Collections.md
+++ b/Prog/Collections.md
@@ -17,7 +17,7 @@ We have 3 collections namespace in C#
 - System.Collections.Concurrent
 	- As previous bu thread safe
 
-## Live coding
+## Live coding - List
 ```csharp
 namespace Lecture;
 public static class Program {
@@ -46,4 +46,16 @@ public static class Program {
 		myList.
 	}
 
-}
\ No newline at end of file
+}
+```
+
+## Live coding - Dictionary
+```csharp
+namespace Lecture;
+public static class Program {
+	public static void Main() {
+		var dict = Dictionary<
+	}
+
+}
+```
\ No newline at end of file