print les strings

src/main/java/TP2/asd/PrettyprinterVisitor.java

@@ -60,7 +60,11 @@ public class PrettyprinterVisitor implements    ProgramVisitor<String,String>,
 
     @Override
     public String visitPrint(PrintImp instr, String indent) {
-        return indent+ "PRINT \""+instr.t() +"\"";
+        String str = indent + "PRINT ";
+        for (String elem: instr.t()){
+            str += "\"" +elem +"\"";
+        }
+        return str;
     }
 
     //EXPRESSION