diff --git a/BasicGramms/BasicGramms/BasicLambda.cs b/BasicGramms/BasicGramms/BasicLambda.cs
new file mode 100644
index 0000000..94029a9
--- /dev/null
+++ b/BasicGramms/BasicGramms/BasicLambda.cs
@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BasicGramms
+{
+
+	internal class BasicLambda
+	{
+		private delegate int Calc(int x, int y);
+		private delegate void CalcVoid() ;
+
+		public void DoTest()
+		{
+			// lambda
+			Calc cal = (int x, int y) => x + y;
+			Console.WriteLine(cal(2, 5));
+
+			// anonymous method
+			cal = delegate (int x, int y)
+			{
+				return x + y;
+			};
+			Console.WriteLine(cal(10, 7));
+
+			CalcVoid calcVoid = () => Console.WriteLine("This is void lambda");
+			calcVoid();
+		}
+	}
+}
diff --git a/BasicGramms/BasicGramms/Program.cs b/BasicGramms/BasicGramms/Program.cs
index 8e9378c..e288501 100644
--- a/BasicGramms/BasicGramms/Program.cs
+++ b/BasicGramms/BasicGramms/Program.cs
@@ -16,8 +16,11 @@ namespace BasicGramms
 			//BasicEvent evt = new BasicEvent();
 			//evt.DoTest();
 
-			BasicEventUser evtUser = new BasicEventUser();
-			evtUser.DoTest();
+			//BasicEventUser evtUser = new BasicEventUser();
+			//evtUser.DoTest();
+
+			BasicLambda lambda = new BasicLambda();
+			lambda.DoTest();
 
 			Console.ReadKey();
 		}