I started the course on the 7th of January of 2020. I've done PSet0 and PSet1 with no problem. Now I'm in the middle of PSet2. I've done Caesar and submitted it. It appears in my Gradebook. Now I've realized that in my PSet2 there are the following exercises:
But my Gradebook asks for the following one's:
For what I see, my materials are the one's of the fall's 2019 course. But my Gradebook corresponds to the 2020 version.
What should I do in order to be able to finish the course and obtain a certificate?