diff --git a/solutions/binary_decimal_conversion.py b/solutions/binary_decimal_conversion.py
index 18d0144cf..d15617758 100644
--- a/solutions/binary_decimal_conversion.py
+++ b/solutions/binary_decimal_conversion.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
 """
 A module for converting between binary and decimal numbers.
 Created by Muna Sattouf on 29/12/2024
diff --git a/solutions/tests/test_binary_decimal_conversion.py b/solutions/tests/test_binary_decimal_conversion.py
index 2bd8da5c8..7708919cd 100644
--- a/solutions/tests/test_binary_decimal_conversion.py
+++ b/solutions/tests/test_binary_decimal_conversion.py
@@ -1,3 +1,7 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+
 """
 Module: test_binary_decimal_conversion
 contains test cases for the solution code.