diff --git a/.idea/jpa-buddy.xml b/.idea/jpa-buddy.xml
new file mode 100644
index 0000000..966d5f5
--- /dev/null
+++ b/.idea/jpa-buddy.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JpaBuddyIdeaProjectConfig">
+    <option name="renamerInitialized" value="true" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
index 8226e53..36b41ec 100644
--- a/.idea/kotlinc.xml
+++ b/.idea/kotlinc.xml
@@ -1,10 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="Kotlin2JvmCompilerArguments">
-    <option name="jvmTarget" value="1.8" />
-  </component>
-  <component name="KotlinCommonCompilerArguments">
-    <option name="apiVersion" value="2.0" />
-    <option name="languageVersion" value="2.0" />
+    <option name="jvmTarget" value="19" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 03f397c..f8ed9c1 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -3,4 +3,7 @@
   <component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="19" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
+  <component name="ProjectType">
+    <option name="id" value="jpab" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/src/Main.kt b/src/Main.kt
index a7a5e00..d788a8e 100644
--- a/src/Main.kt
+++ b/src/Main.kt
@@ -1,3 +1,85 @@
+import javax.swing.text.StyledEditorKit.BoldAction
+
 fun main() {
-    println("Hello World!")
+
+    //Part 1
+    val numbers = mutableListOf(1,2,3,4,5,6,7,8,9,10)
+    val numbersDoubled = numbers.map{it*2};
+    println(numbersDoubled)
+
+    //Part 2
+    val names = mutableListOf("Alice", "Bob", "Amir", "Charlie", "Annie", "David");
+    println(filterWithA("alice"))
+    println(filterNames(names,filterWithA))
+
+    //Part 3
+    val fruits = mutableListOf("apple", "banana", "kiwi", "strawberry", "grape")
+    println(sortedList(fruits,findWordLength))
+
+    //Part 4
+    println(customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)) { it > 5 })
+    //or
+    println(customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10),biggerThanFive))
+
+
+    println(customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)) { it % 2 == 0 })
+    //or
+    println(customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10),isEven))
+
+
+    println(customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)) { it % 3 == 0 })
+    //or
+    println(customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10),multiplesOfThree))
+
+
+    //Part 5
+    println(processNumbers(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10),lambdaNotEven,lambdaSquare));
+
+
+}
+
+//For part 2
+fun filterNames(list:List<String>, filteringFun: (String)->(Boolean)): List<String>{
+    return list.filter{filteringFun(it)}
+
+}
+
+
+val filterWithA: (String) -> Boolean = {
+        it -> it.startsWith("A")
+}
+
+
+//for part 3
+fun sortedList(list:List<String>, filteringFun: (String) -> Int): List<String>{
+    return list.sortedByDescending(filteringFun)
+}
+val findWordLength: (String) -> Int = {
+    it -> it.length
+}
+
+//for part 4
+fun customFilter(list: List<Int>, filteringFun: (Int) -> Boolean): List<Int>{
+    return list.filter(filteringFun)
+}
+val biggerThanFive: (Int) -> Boolean = {
+    it -> it > 5
+}
+val isEven: (Int) -> Boolean = {
+        it -> it % 2 == 0
+}
+val multiplesOfThree: (Int) -> Boolean = {
+        it -> it % 3 == 0
+}
+
+//for part 5
+//takes two lambdas funs as paramters with List of int and returns a list of int
+fun processNumbers(list:List<Int>,lambdaNotEven: (Int)->Boolean, lambdaSquare: (Int) -> Int): List<Int>{
+    return list.filter(lambdaNotEven).map(lambdaSquare);
+}
+val lambdaNotEven: (Int) -> Boolean = {
+    it -> it % 2 != 0
+}
+val lambdaSquare: (Int) -> Int = {
+    it -> it * it
 }
\ No newline at end of file