diff --git a/LambdaCollectionsTask/LambdaCollectionsTask.iml b/LambdaCollectionsTask/LambdaCollectionsTask.iml
new file mode 100644
index 0000000..4fd7bdb
--- /dev/null
+++ b/LambdaCollectionsTask/LambdaCollectionsTask.iml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/testResources" type="java-test-resource" />
+    </content>
+    <orderEntry type="jdk" jdkName="openjdk-23" jdkType="JavaSDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="KotlinJavaRuntime" level="project" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/LambdaCollectionsTask/src/CombiningLambdas.kt b/LambdaCollectionsTask/src/CombiningLambdas.kt
new file mode 100644
index 0000000..94b8c7c
--- /dev/null
+++ b/LambdaCollectionsTask/src/CombiningLambdas.kt
@@ -0,0 +1,9 @@
+fun main() {
+    fun processNumbers(numbers: List<Int>): List<Int> {
+        return numbers.filter { it % 2 != 0 }
+            .map { it * it }
+    }
+
+    val result = processNumbers(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10))
+    println(result)
+}
diff --git a/LambdaCollectionsTask/src/CustomLambda.kt b/LambdaCollectionsTask/src/CustomLambda.kt
new file mode 100644
index 0000000..bd71b59
--- /dev/null
+++ b/LambdaCollectionsTask/src/CustomLambda.kt
@@ -0,0 +1,5 @@
+fun main (){
+    val fruits = listOf ("apple","banana","kiwi","strawberry","grape")
+    val sortedFruits = fruits.sortedByDescending {it.length}
+    println(sortedFruits)
+}
\ No newline at end of file
diff --git a/LambdaCollectionsTask/src/FilterofaList.kt b/LambdaCollectionsTask/src/FilterofaList.kt
new file mode 100644
index 0000000..0c6b9ae
--- /dev/null
+++ b/LambdaCollectionsTask/src/FilterofaList.kt
@@ -0,0 +1,14 @@
+fun main() {
+    fun customFilter(numbers: List<Int>, filter: (Int) -> Boolean): List<Int> {
+        return numbers.filter(filter)
+    }
+
+    val result1 = customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)) { it > 5 }
+    println(result1)
+
+    val result2 = customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)) { it % 2 == 0 }
+    println(result2)
+
+    val result3 = customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)) { it % 3 == 0 }
+    println(result3)
+}
diff --git a/LambdaCollectionsTask/src/ListTransformation.kt b/LambdaCollectionsTask/src/ListTransformation.kt
new file mode 100644
index 0000000..ef73c25
--- /dev/null
+++ b/LambdaCollectionsTask/src/ListTransformation.kt
@@ -0,0 +1,5 @@
+fun main () {
+    val numbers = listOf (1,2,3,4,5,6,7,8,9,10)
+    val doubledNumbers = numbers.map {it*2}
+    println(doubledNumbers)
+}
\ No newline at end of file
diff --git a/LambdaCollectionsTask/src/Main.kt b/LambdaCollectionsTask/src/Main.kt
new file mode 100644
index 0000000..7265465
--- /dev/null
+++ b/LambdaCollectionsTask/src/Main.kt
@@ -0,0 +1,14 @@
+//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
+// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
+fun main() {
+    val name = "Kotlin"
+    //TIP Press <shortcut actionId="ShowIntentionActions"/> with your caret at the highlighted text
+    // to see how IntelliJ IDEA suggests fixing it.
+    println("Hello, " + name + "!")
+
+    for (i in 1..5) {
+        //TIP Press <shortcut actionId="Debug"/> to start debugging your code. We have set one <icon src="AllIcons.Debugger.Db_set_breakpoint"/> breakpoint
+        // for you, but you can always add more by pressing <shortcut actionId="ToggleLineBreakpoint"/>.
+        println("i = $i")
+    }
+}
\ No newline at end of file
diff --git a/LambdaCollectionsTask/src/StringswithLambda.kt b/LambdaCollectionsTask/src/StringswithLambda.kt
new file mode 100644
index 0000000..635f7bf
--- /dev/null
+++ b/LambdaCollectionsTask/src/StringswithLambda.kt
@@ -0,0 +1,11 @@
+fun main() {
+    val names = listOf("Alice", "Bob", "Amir", "Charlie", "Annie", "David")
+
+    fun filterNames(names: List<String>, condition: (String) -> Boolean): List<String> {
+        return names.filter(condition)
+    }
+
+    val filteredNames = filterNames(names) { it.startsWith("A") }
+
+    println(filteredNames)
+}
\ No newline at end of file