feat(main): enhance demonstration of linked list operations with count tracking

src/main.rs

@@ -41,14 +41,22 @@ impl<T> LinkedList<T> {
 
 fn main() {
     let mut list = LinkedList::new();
+    let mut count = 0;
+    let message1 = "hello world";
 
     // Demonstrate pushing items
     list.push_front(10);
+    count += 1;
     list.push_front(20);
+    count += 1;
     list.push_front(30);
+    count += 1;
 
-    // Demonstrate peaking at the top item
-    println!("Top element: {:?}", list.peek_front()); // Output: Some(30)
+    // Demonstrate peeking at the top item
+    if let Some(top) = list.peek_front() {
+        println!("Top element: {}\ncount: {}", top, count); // Output: 30
+    }
+    println!("{}", message1);
 
     // Demonstrate popping items
     while let Some(value) = list.pop_front() {