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Nope, that would be the effect of "and", not "or"."a" is b"b" and "fallback"False"a" is b"b" or "fallback"'fallback' You seem to be caught in your wrong mental model. I recommend that you let the matter rest for a day or so, and then look at it with a fresh eye. ......
my bad; not worrying enough about real problems -- Robin Becker -- https://mail.python.org/mailman/listinfo/python-list
