Hi guys, Thank you very much for the accurate answer.
Upgrading our Python to 3.7 seems to be out of question at the moment. I will check the requirement specification if the order of the keys is important at all. It could be a wish only. -- Urbán Gábor Linux is like a wigwam: no Gates, no Windows and an Apache inside. -- https://mail.python.org/mailman/listinfo/python-list