def run_test_case(t: testlib.unittest.TestCase, tc: Tuple[List[int], int, List[int]]):
head = ListNode.fromList(tc[0])
el_to_remove = head
for _ in range(tc[1]):
el_to_remove = el_to_remove.next
Solution().deleteNode(el_to_remove)
t.assertEqual(repr(head), repr(ListNode.fromList(tc[2])))
if not head or head.next is None:
return head
odd = head
even = head.next
even_head = even
while even and even.next:
odd.next = even.next
odd = odd.next
even.next = odd.next
even = even.next
odd.next = even_head
return head
if __name__ == "__main__":
testdata = [
([1], [1]),
([1, 2], [1, 2]),
([1, 2, 3], [1, 3, 2]),
([1, 2, 3, 4, 5], [1, 3, 5, 2, 4]),
([2, 1, 3, 5, 6, 4, 7], [2, 3, 6, 7, 1, 5, 4]),
]
testlib.run(
lambda t, tc: t.assertEqual(
repr(Solution().oddEvenList(ListNode.fromList(tc[0]))),
repr(ListNode.fromList(tc[1])),
tc,
),
testdata,
)