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If you would like to pool questions together, add a question as you would to an assignment, and then click on it in the assignment. The steps are very similar between code environments, even if they look a little different. At the top is the older code base, at the bottom is the newer code base.
(classic) Scrolling to the bottom offers a 'question pooling' section; click the green + on the right to expand and add questions to this pool.
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