We spent many hours each week on 4 homework problems (per week) that were progressively harder, and built on each other. Not sure how to explain, but there was

We spent many hours each week on 4 homework problems (per week) that were progressively harder, and built on each other. Not sure how to explain, but there was no need to have any extra time spent on getting the syntax right. If you could figure out the logic, that was what you were supposed to be learning.