diff --git a/gui-programming/rich-text-editor/rich_text_editor.py b/gui-programming/rich-text-editor/rich_text_editor.py
index 10c14263..05259905 100644
--- a/gui-programming/rich-text-editor/rich_text_editor.py
+++ b/gui-programming/rich-text-editor/rich_text_editor.py
@@ -112,9 +112,9 @@ def fileManager(event=None, action=None):
             document['tags'][tagName] = []
 
             ranges = textArea.tag_ranges(tagName)
-
-            for i, tagRange in enumerate(ranges[::2]):
-                document['tags'][tagName].append([str(tagRange), str(ranges[i+1])])
+	
+            for i in range(0, len(ranges), 2):
+                document['tags'][tagName].append([str(ranges[i]), str(ranges[i + 1])])
 
         if not filePath:
             # ask the user for a filename with the native file explorer.