You can think of the courses as interactive explorations, rather than just collections of problems or classroom-style tests. You aren't being given a procedure that you repeat, instead, you'll build up your understanding in small steps, with an emphasis on solving puzzles, and with learning as curiosity, rather than drudgery.
Not every problem is meant to be hard!
We sometimes prompt you to notice certain things to make sure you're understanding; this is active learning where you participate in building up a topic rather than passive learning where you wait until the end of a topic before doing anything. You can think of it as having a teacher by your side making sure you're thinking about the important concepts.
Not every problem is meant to be easy!
It's intellectually satisfying to tangle with a hard problem, and getting the wrong answer and reading an explanation is a perfectly valid approach. You shouldn't expect to get 100% of problems correct, nor feel like you are being judged by the same scale as in a classroom.