diff --git a/arrays.js b/arrays.js
index 37faed2..28a9442 100644
--- a/arrays.js
+++ b/arrays.js
@@ -15,8 +15,15 @@ Expected Output:
 */
 
 // ✍️ Solve it here ✍️
+let inventory = ["Apples", "Bread", "Milk", "Eggs"];
+console.log(inventory);
+inventory.push("orange", "banana")
+console.log(inventory)
 
+inventory.shift()
+console.log(inventory)
 
+// i done  
 
 
 
@@ -40,9 +47,13 @@ Output: "Ali is present."
 
 // ✍️ Write your function here ✍️
 
-
-
-
+const student = ["Ali", "Fatima", "Hassan", "Layla"];
+function isPresent (studentsName){
+if(student.includes(studentsName)){
+  return `${studentsName} is present`
+} else return `${studentsName} is absent`
+}
+console.log(isPresent("Hassan"));
 
 
 /*
@@ -50,7 +61,8 @@ Task 3: Top Scorers Leaderboard 🏆⚽
 
 You are creating a leaderboard for a soccer game. The array `topScorers` contains the names of players and their scores.
 
-1. Write a function called `updateScore` that takes a player's name and a score to add. If the player exists in the leaderboard, add the score to their total. If not, add the player to the array with the given score.
+1. Write a function called `updateScore` that takes a player's name and a score to add. If the player exists in the leaderboard,
+ add the score to their total. If not, add the player to the array with the given score.
 2. Write another function called `printLeaderboard` that sorts the leaderboard in descending order of scores and prints it.
 
 Array:
@@ -67,7 +79,16 @@ Output: Sorted leaderboard with updated scores
 
 // ✍️ Write your functions here ✍️
 
-
+const  topScorers = [
+  {name: "Abdi", score: 8},
+  {name: "Duraan", score:10},
+  {name:"Ahmed", score:6}
+];
+function printLeaderboard  (){
+  return `${topScorers} Sorted leaderboard with updated scores`;
+}
+console.log(printLeaderboard("Abdi", 2));
+// this i confuse
 
 
 
@@ -138,4 +159,4 @@ Final Output:
 - "The treasure remains hidden. Try again!" (if danger is encountered)
 - "Congratulations! You found the ultimate treasure!" (if all conditions are met)
 
-*/
+*/
\ No newline at end of file
diff --git a/callbacks.js b/callbacks.js
index 3fadb3f..cb49654 100644
--- a/callbacks.js
+++ b/callbacks.js
@@ -16,9 +16,15 @@ Expected Output:
 - "Welcome, Amina!"
 */
 
-// ✍️ Solve it here ✍️
-
+// ✍️ Solve it here ✍️f
 
+function sendMessage (callback, userName){
+  return  callback(userName)
+}
+function message (userName){
+  console.log(` wellcome ${userName} `)
+}
+sendMessage(message, "Amina")
 
 
 /*
@@ -48,6 +54,21 @@ Expected Output:
 
 // ✍️ Solve it here ✍️
 
+function checkTemperature (tep, callback){
+  return callback(tep)
+}
+function evaluate (tep){
+  if(tep==30){
+    console.log(`the temperature is Hot`)
+  } else if (tep===22){
+    console.log(`the temperature is warm`)
+  } else if (tep===10){
+    console.log(`the temperature is cold`)
+  } else {
+    console.log(`please select 30-10`)
+  }
+}
+checkTemperature(30, evaluate);
 
 
 
diff --git a/index.html b/index.html
index 1104b64..ce27378 100644
--- a/index.html
+++ b/index.html
@@ -5,5 +5,8 @@
         <h1>Look at the console to see the results</h1>
 
         <!-- Before starting, add the javascript files in this html fie -->
+         <script src="arrays.js"></script>
+         <script src="objects.js"></script>
+         <script src="callbacks.js"></script>
     </body>
 </html>
\ No newline at end of file
diff --git a/objects.js b/objects.js
index e2426e9..1ea7110 100644
--- a/objects.js
+++ b/objects.js
@@ -30,6 +30,31 @@ Expected Output:
 
 // ✍️ Solve it here ✍️
 
+const gamerProfile = {
+  username: "ShadowSlayer",
+  level: 5,
+  isOnline: false
+};
+
+// 2. Function to update online status
+function updateOnlineStatus(profile, status) {
+  profile.isOnline = status;
+
+  if (status === true) {
+    console.log(`${profile.username} is now online.`);
+  } else {
+    console.log(`${profile.username} is now offline.`);
+  }
+}
+
+// Example call:
+updateOnlineStatus(gamerProfile, true);
+
+
+
+
+
+   
 
 
 /*
@@ -63,8 +88,20 @@ Expected Output:
 */
 
 // ✍️ Solve it here ✍️
-
-
+const dress = {
+  name: "Evening Gown",
+  size: "M",
+  inStock: true
+};
+function checkAvailability(dress){
+   if(checkAvailability===dress){
+  console.log(`${dress} is available in size ${size}, `)
+   } else {
+       console.log(`${dress} is not available`)
+   }
+ 
+} 
+console.log(checkAvailability(dress.name))
 
 /*
 Task 3: Supercar Feature Adder 🚗 🚗 🚗 🚗
@@ -104,3 +141,25 @@ Features:
 */
 
 // ✍️ Solve it here ✍️
+
+
+const supercar = {
+  model: "Ferrari SF90",
+  price: 500000,
+    color: "Red"
+  };
+
+function addFeature(car, featureName) {
+ // car.features[featureName] = true;
+  console.log(featureName + " has been added to " + car.model);
+}
+
+addFeature(supercar, "turbo");
+
+console.log("Features:");
+for (let key in supercar.features) {
+  console.log("- " + key + ": " + supercar.features[key]);
+}
+
+
+// i tried unfortunitly i confuse i couldn't solve