diff --git a/bool 2 b/bool 2
new file mode 100644
index 0000000..910374e
--- /dev/null
+++ b/bool 2	
@@ -0,0 +1,18 @@
+fn is_palindrome(x: u32) -> bool
+#[test]
+fn test() {
+   let data =
+       [
+           (123, false),
+           (121, true),
+           (1221, true),
+       ];
+
+
+   data
+       .iter()
+       .for_each(|(n, exp)| {
+           assert_eq!(is_palindrome(*n), *exp);
+       });
+}
+