diff --git a/solutions/day-01/index.html b/solutions/day-01/index.html
index 12b01f8..b6f688d 100644
--- a/solutions/day-01/index.html
+++ b/solutions/day-01/index.html
@@ -8,5 +8,6 @@
         <button onclick="alert('Welcome to 30DaysOfJavaScript!')">Click Me</button>
         <script src="helloworld.js"></script>
         <script src="introduction.js"></script>
+        <script src="main.js"></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/solutions/day-01/main.js b/solutions/day-01/main.js
new file mode 100644
index 0000000..827a3f9
--- /dev/null
+++ b/solutions/day-01/main.js
@@ -0,0 +1,5 @@
+let firstName = 'Asabeneh'
+firstName = 'Eyob'
+
+const PI = 3.14 // Not allowed to reassign PI to a new value
+// PI = 3.
\ No newline at end of file