Questions regarding Assignment 1

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Questions regarding Assignment 1
I have two questions regarding the current assignment:

  1. Are we allowed to define helper methods as we see fit, or only if stated in the assignment? I cannot seem to find a recursive definition of removeDuplicate without an append method.

  2. In problem 1.2 it states the objective is moving the discs “[…], without obeying the following rules: […]” [emphasis mine]. It seems this should read “while obeying the following rules”, or am I wrong?


  1. You are of course welcome to define any additional helper methods.

  2. Thank you for spotting the mistake. The problem should indeed say “while obeying the following rules”.