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  • Custom User Avatar

    The question is looking for the number of times you performed multiplication, not the end result of the multiplication.

  • Default User Avatar

    the same 'edge case' test block was testing the 1,2,3,4 list with 4 items per page at first, then with 1, hence a mismatch between the name of the test block and the assertion messages for the latter. i moved the tests with 1 item per page to their own block

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    [...] returns its multiplicative persistence, which is the number of times you must multiply the digits in num until you reach a single digit.

    You misunderstood the task, please reread the description.