Update vector-print-utility.md

reduced comments and added examples

Author: Mohamed-faaris

snippets/cpp/basics/vector-print-utility.md

@@ -2,23 +2,27 @@
 title: std::vector Print Utility
 description: Overloads the << operator to print the contents of a vector just like in python.
 author: Mohamed-faaris
-tags: cpp,printing,vector,utility
+tags: cpp,printing,debuging,vector,utility
 ---
 
 ```cpp
-#include <iostream> // Includes the input/output stream library
-#include <vector>   // Includes the vector container
+#include <iostream> 
+#include <vector>   
 
 template <typename T>
 std::ostream& operator<<(std::ostream& os, const std::vector<T>& vec) {
-    os << "["; // Begin vector formatting with an opening bracket
+    os << "["; 
     for (size_t i = 0; i < vec.size(); ++i) {
         os << vec[i]; // Print each vector element
         if (i != vec.size() - 1) {
-            os << ", "; // Add separator between elements except after the last one
+            os << ", "; // Add separator
         }
     }
-    os << "]"; // Close vector formatting with a closing bracket
-    return os; // Return the stream to enable chaining
+    os << "]"; 
+    return os; // Return the stream
 }
+
+//std::vector<int> numbers = {1, 2, 3, 4, 5};
+//std::cout << numbers << std::endl; // Outputs: [1, 2, 3, 4, 5]
+
 ```