diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..640508f
Binary files /dev/null and b/.DS_Store differ
diff --git a/arrays.js b/arrays.js
index 37faed2..3bebefd 100644
--- a/arrays.js
+++ b/arrays.js
@@ -16,8 +16,13 @@ Expected Output:
 
 // ✍️ Solve it here ✍️
 
+const inventory = ["Apples", "Bread", "Milk", "Eggs"];
+
+inventory.push("Oranges", "Bananas");
 
+inventory.shift();
 
+//console.log(inventory);
 
 
 /*
@@ -40,9 +45,20 @@ Output: "Ali is present."
 
 // ✍️ Write your function here ✍️
 
+const students = ["Ali", "Fatima", "Hassan", "Layla"];
 
+function isPresent(name){
+  
+  if (students.includes(name)) {
+  return `${name} is Present.`;
+  }else {
+    return `${name} is absent.`;
+  }
+}
 
-
+//console.log(isPresent("Fatima"));
+//console.log(isPresent("Jamac"));
+//|_________________________|______________________|
 
 
 /*
@@ -67,8 +83,42 @@ Output: Sorted leaderboard with updated scores
 
 // ✍️ Write your functions here ✍️
 
+/*
+Task 3: Top Scorers Leaderboard 🏆⚽
+*/
+
+const topScorers = [
+  { name: "Messi", score: 5 },
+  { name: "Ronaldo", score: 3 },
+  { name: "Neymar", score: 4 }
+];
+
+function updateScore(playerName, scoreToAdd) {
+const player = topScorers.find(p => p.name === playerName);
+
+  if (player) {
+    
+    player.score += scoreToAdd;
+  } else {
+    topScorers.push({ name: playerName, score: scoreToAdd });
+  }
+}
+
+function printLeaderboard() {
+
+  const sorted = [...topScorers].sort((a, b) => b.score - a.score);
+
+  console.log("🏆 Leaderboard:");
+  sorted.forEach((player, index) => {
+    console.log(`${index + 1}. ${player.name} - ${player.score}`);
+  });
+}
 
+updateScore("Ronaldo", 1);
+updateScore("Neymar",-1);
+//printLeaderboard();
 
+//|----------------|-----------------|
 
 
 
diff --git a/callbacks.js b/callbacks.js
index 3fadb3f..94d96bc 100644
--- a/callbacks.js
+++ b/callbacks.js
@@ -18,6 +18,17 @@ Expected Output:
 
 // ✍️ Solve it here ✍️
 
+function theCallBackFunction(name) {
+  console.log(`Welcome, ${name}!`);
+}
+
+function sendMessage(userName, callback) {
+  callback(userName);
+}
+
+//sendMessage("Amina", theCallBackFunction);
+
+//|----------------------|----------------------|
 
 
 
@@ -49,6 +60,37 @@ Expected Output:
 // ✍️ Solve it here ✍️
 
 
+function theCallBackFunction(temp) {
+
+  if (temp > 30) {
+
+    console.log(`${temp} °C is Hot.`);
+
+  } else if (temp >= 15 && temp <= 30) {
+
+    console.log(`${temp} °C is Warm.`);
+
+  } else {
+
+    console.log(`${temp} °C is Cold.`);
+
+  }
+}
+
+function checkTemperature(temperature, callback) {
+
+  callback(temperature);
+}
+
+//checkTemperature(35 ,theCallBackFunction); 
+
+//checkTemperature(22 ,theCallBackFunction); 
+
+//checkTemperature(10 ,theCallBackFunction); 
+
+//|-----------|----------------------------|
+
+
 
 
 /*
diff --git a/index.html b/index.html
index 1104b64..a9e903e 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="callbacks.js"></script>
+         <script src="objects.js"></script>
     </body>
 </html>
\ No newline at end of file
diff --git a/objects.js b/objects.js
index e2426e9..bfb3f26 100644
--- a/objects.js
+++ b/objects.js
@@ -31,6 +31,25 @@ Expected Output:
 // ✍️ Solve it here ✍️
 
 
+const gamerProfile = {
+  username: "ShadowSlayer",
+  level: 5,
+  isOnline: false
+};
+
+function updateOnlineStatus(profile, status) {
+  profile.isOnline = status;
+
+  if (status) {
+    console.log(`${profile.username} is now online.`);
+  } else {
+    console.log(`${profile.username} is now offline.`);
+  }
+}
+
+//updateOnlineStatus(gamerProfile, true);
+
+
 
 /*
 Task 2: Dress Inventory Checker 👗 👗 👗 👗 👗
@@ -64,6 +83,27 @@ Expected Output:
 
 // ✍️ Solve it here ✍️
 
+// 1. Create the dress object
+const dress = {
+  name: "Evening Gown",
+  size: "M",
+  inStock: true
+};
+
+function checkAvailability(dress) {
+
+  if (dress.inStock) {
+
+    console.log(`${dress.name} is available in size ${dress.size}.`);
+
+  } else {
+
+    console.log(`${dress.name} is out of stock.`);
+    
+  }
+}
+
+//checkAvailability(dress);
 
 
 /*
@@ -104,3 +144,23 @@ Features:
 */
 
 // ✍️ Solve it here ✍️
+
+const supercar = {
+  model: "Ferrari SF90",
+  price: 500000,
+  features: {
+    color: "Red"
+  }
+};
+
+function addFeature(car, featureName) {
+  car.features[featureName] = true;
+  console.log(`${featureName.charAt(0).toUpperCase() + featureName.slice(1)} has been added to ${car.model}.`);
+}
+
+addFeature(supercar, "turbo");
+
+console.log("Features:");
+for (const feature in supercar.features) {
+  console.log(`- ${feature}: ${supercar.features[feature]}`);
+}