Also notice that those print statements were just given to you as part of the template code, so you must have modified them. Generally speaking, you should only need to change the code in the sections with the comments about “YOUR CODE HERE”. It’s not illegal to change other parts of the code, but you need to make sure you know what you are doing when you “go there”. Or you can end up wasting lots of time 
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If at any point you want to get a clean copy of one of the assignments to see what it originally looked like, the first topic on the DLS FAQ Thread shows how to do that.