correction to String

src/main/java/TP1/Main.java

@@ -83,7 +83,7 @@ public class Main {
       TurtleAST t = parser.turtle();
 
       // Use the AST next
-      System.out.println(t);
+      System.out.println(t.toString());
 
     } catch (IOException e) {
       e.printStackTrace();