Questions on a Cedrus response box

[Oli]

Also see if this helps:

UnicodeDecodeError

For a start, perhaps consider liberally sprinting a few print(i, theseKeys[i]) statements around so you can see where any problems arise. I suspect you should probably try and integrate that code into the last section of your own code rather than have it separate. Also note that the trick you are using to get upper case letters (subtracting 32 from their ASCII code) is a very 20th century approach that may very well only work for English ASCII letters. You would probably be better off using a …