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Stephen Ullman2,646 Points
They are anticipating specific lists but they don't specify them in the questions. Am I missing something?
Examples: task 2 only passes if the list is the string 'Oklahoma' (or, I guess 'ikiaioia') and task 3 only passes if the list returns [0,1,2,3,46,47,48,49], but nowhere are those input lists specified.
Am I missing text in the questions? And does this commonly happen in the challenges?
Dan Johnson40,532 Points
This is intentional and typical of how you'd want to design. You'll want to build a function in such a way that you don't need to know the specifics of the data being passed in to work with it (e.g. the contents of the iterable).