Original exercises

exercises/variables/variables3.rs

@@ -1,7 +1,9 @@
 // variables3.rs
 // Execute `rustlings hint variables3` or use the `hint` watch subcommand for a hint.
 
+// I AM NOT DONE
+
 fn main() {
-    let x: i32 = 12;
+    let x: i32;
     println!("Number {}", x);
 }