From 461c852f98cfc38fd0d81ea4a3067982ebab8769 Mon Sep 17 00:00:00 2001
From: MaoShizhong <122839503+MaoShizhong@users.noreply.github.com>
Date: Sun, 3 Mar 2024 01:44:34 +0000
Subject: [PATCH] Use const for palindrome solution variable (#439)

---
 09_palindromes/solution/palindromes-solution.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/09_palindromes/solution/palindromes-solution.js b/09_palindromes/solution/palindromes-solution.js
index b731371..01fc46f 100644
--- a/09_palindromes/solution/palindromes-solution.js
+++ b/09_palindromes/solution/palindromes-solution.js
@@ -1,6 +1,6 @@
 const palindromes = function (string) {
   // Since we only consider letters and numbers, create a variable containing all valid characters
-  let alphanumerical = 'abcdefghijklmnopqrstuvwxyz0123456789';
+  const alphanumerical = 'abcdefghijklmnopqrstuvwxyz0123456789';
 
   // Convert to lowercase, split to array of individual characters, filter only valid characters, then rejoin as new string
   const cleanedString = string