Add solutions to intro and variables

1 files changed, 6 insertions, 3 deletions

diff --git a/exercises/01_variables/variables4.rs b/exercises/01_variables/variables4.rs
index 67be127..8634ceb 100644
--- a/exercises/01_variables/variables4.rs
+++ b/exercises/01_variables/variables4.rs
@@ -1,6 +1,9 @@
+// TODO: Fix the compiler error.
+
 fn main() {
     let x = 3;
-    println!("Number {}", x);
-    x = 5; // don't change this line
-    println!("Number {}", x);
+    println!("Number {x}");
+
+    x = 5; // Don't change this line
+    println!("Number {x}");
 }