Some test cases are not aligned with the question stem

  • 2

    It is mentioned in the question stem that "k is a positive integer and is less than or equal to the length of the linked list. If the number of nodes is not a multiple of k then left-out nodes in the end should remain as it is."

    I meet test cases like this
    k = 3
    The expected answer is [2,1]???????

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