GoalScope — remove_nth_from_end (Qwen2.5-Coder-32B-Instruct) — hover a token to see the patched verbalization
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<code>↵
def remove_nth_from_end(head, n):↵
"""Remove the nth node from the end of the list and return its head."""↵
dummy = ListNode(0)↵
dummy.next = head↵
first, second = dummy, dummy↵
for _ in range(n + 1):↵
first = first.next↵
while first:↵
first = first.next↵
second = second.next↵
second.next = second.next.next↵
return dummy.next↵
</code>