6:19 PM, Wednesday December 13th 2023
While Gogoieo gave you the correct answer that you should continue pushing forwards, I did want to point out that Lesson 0 states that you should not be making the decision to redo work outside of what was assigned yourself. That falls to the person giving you feedback, as that will ensure you're not deciding to redo things on an arbitrary basis (which would constitute grinding, as when you're tackling these exercises for the first time you're not in a position to really know what kinds of issues are normal and expected, and what suggests a misunderstanding of the material).