diff --git a/src/Filtering Strings with Lambda.kt b/src/Filtering Strings with Lambda.kt
new file mode 100644
index 0000000..1757407
--- /dev/null
+++ b/src/Filtering Strings with Lambda.kt	
@@ -0,0 +1,7 @@
+val sort = { n: String -> n.contains("A")  }
+
+fun main (){
+    val names = mutableListOf("Alice", "Bob", "Amir", "Charlie", "Annie", "David")
+   var n = names.map(sort)
+println(n)
+}
\ No newline at end of file
diff --git a/src/Lambda with List Transformation.kt b/src/Lambda with List Transformation.kt
new file mode 100644
index 0000000..26b3ae2
--- /dev/null
+++ b/src/Lambda with List Transformation.kt	
@@ -0,0 +1,7 @@
+val transformation = { n: Int -> n * 2 }
+
+fun main (){
+    val numbers = mutableListOf( 1,2,3,4,5,6,7,8,9,10)
+   var n = numbers.map(transformation)
+  println(n)
+    }
\ No newline at end of file