diff --git a/src/Main.kt b/src/Main.kt
index a7a5e00..5fa830f 100644
--- a/src/Main.kt
+++ b/src/Main.kt
@@ -1,3 +1,44 @@
 fun main() {
-    println("Hello World!")
-}
\ No newline at end of file
+    val numList = (1..10).toList()
+    val doubleList = numList.map { it * 2 }
+    println(doubleList)
+
+
+    val names = listOf("Alice", "Bob", "Amir", "Charlie", "Annie", "David")
+    val filteredNames = filterNames(names) { it.startsWith( 'A') }
+    println(filteredNames)
+
+
+    val fruits = listOf("apple", "banana", "kiwi", "strawberry", "grape")
+    val sortedbylength = fruits.sortedByDescending { it.length }
+    println(sortedbylength)
+
+    println(customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)) { it > 5 })
+    println( customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)) { it % 2 == 0 })
+    println( customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)) { it % 3 == 0 })
+
+
+
+    val newList = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10) // Step 1: Create a list of numbers
+
+    val sequreNum = processNumbers(newList, { it % 2 != 0 }, { it * it }
+    )
+
+    println(sequreNum)
+}
+
+fun filterNames(names: List<String>, checked: (String) -> Boolean): List<String> {
+    return names.filter(checked)
+}
+
+fun customFilter(numbers: List<Int>, filter: (Int) -> Boolean): List<Int> {
+    return numbers.filter(filter)
+}
+
+fun processNumbers(
+    list: List<Int>,
+    notEvent: (Int) -> Boolean,
+    square: (Int) -> Int):
+        List<Int> {
+    return list.filter(notEvent).map(square)
+}