indentation - How to remove tab indent from several lines in IDLE? -

If you want to indent several lines in Python IDLE, then you mark the lines and press the tab but what if Do you want to remove indent from multiple lines? Shift + Tab does not work in IDLE.

If you are using IDLE, and Norwegian

1. Configure Option-> IDE.
2. Click on the key tab.
3. If necessary, click Save As New Custom Key Set.
4. Search for "dedent-region" in the list, with your custom key set.
5. Click on Get New Key to Select.
6. etc.

I tried to put the changes-tab and it works well.