Oops, try again. Your code looks a bit off. Check the Hint if you need help! Your code threw the following error: name 'upper' is not defined
If your code is the code you linked, all you need to do it put the .upper right next to your string. You have it as ""string" .upper". If there is a space in between, it doesn't recognize .upper as a command. It needs to be ""string".upper"". I hope this helps!!
Remember to include the
Thanks all that helped