Task done

src/part1.kt

@@ -0,0 +1,7 @@
+
+fun main() {
+    println(
+        (1..10).toList().map { it * 2 }
+    )
+}
+

src/part2.kt

@@ -0,0 +1,11 @@
+fun main() {
+    val namesList = listOf("Alice", "Bob", "Amir", "Charlie", "Annie", "David");
+
+    println(filterNames(namesList, startsWithA ))
+}
+
+fun filterNames(textList: List<String>, callBack: (String) -> Boolean): List<String> {
+    return textList.filter(callBack);
+}
+
+val startsWithA: (String) -> Boolean = { text -> text.startsWith('A')}

src/part3.kt

@@ -0,0 +1,6 @@
+fun main() {
+    val wordsList = listOf("apple", "banana", "kiwi", "strawberry", "grape");
+    val sortedWordsList = wordsList.sortedByDescending { it.length };
+
+    println(sortedWordsList);
+}

src/part4.kt

@@ -0,0 +1,13 @@
+fun main() {
+    val greaterThan5 = customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)) { it > 5 }
+    val evenNumbers = customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)) { it % 2 == 0 }
+    val multiplesOf3 = customFilter(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)) { it % 3 == 0 }
+
+    println(greaterThan5);
+    println(evenNumbers);
+    println(multiplesOf3);
+}
+
+fun customFilter(numbers: List<Int>, filter: (Int) -> Boolean): List<Int> {
+    return numbers.filter(filter);
+}

src/part5.kt

@@ -0,0 +1,16 @@
+fun main() {
+    val numbers = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
+    val oddNumbersSquared = processNumbers(
+        numbers, condition = { it % 2 != 0 }, transform = { it * it }
+    )
+
+    println(oddNumbersSquared)
+}
+
+fun processNumbers(
+    numbers: List<Int>,
+    condition: (Int) -> Boolean,
+    transform: (Int) -> Int
+): List<Int> {
+    return numbers.filter(condition).map(transform)
+}