add 2 lines infront of my filse

solutions/fizz_buzz.py

@@ -9,7 +9,7 @@
 - 'FizzBuzz' for numbers divisible by both 3 and 5.
 - The number itself as a string for all other cases.
 
-
+author : @nada-saad635
 """
 
 

solutions/reverse_string.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
 """
 This module provides a utility function to reverse strings.
 

solutions/tests/test_fizz_buzz.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
 import unittest
 from solutions.fizz_buzz import fizz_buzz
 

solutions/tests/test_reverse_string.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
 """
 Unit tests for the reverse_string function.