Create tools_reverse.py

tools_reverse.py

@@ -0,0 +1,10 @@
+import re
+
+def flip_hidden(question):
+    # Reverse only the text before '.rewsna' if present
+    match = re.search(r'^(.*)\.rewsna', question)
+    if match:
+        to_flip = match.group(1)
+        return to_flip[::-1].strip()
+    # Fallback: reverse the whole string
+    return question[::-1]