Update Vector.md

Added a beginner-friendly solution

solutions/collections/Vector.md

@@ -96,6 +96,25 @@ fn main() {
 
     println!("Success!")
 }
+
+
+//Another solution 
+
+fn main() {
+    let mut v = Vec::from([1, 2, 3,4,5]);
+    for i in 0..5 {
+        println!("{:?}", v[i])
+    }
+
+    for i in 0..5 {
+       v[i] +=1;
+    }
+    
+    assert_eq!(v, vec![2, 3, 4, 5, 6]);
+
+    println!("Success!")
+}
+
 ```
 
 5.
@@ -215,4 +234,4 @@ fn main() {
         ip.display();
     }
 }
-```
+```