# class ListNode: # def __init__(self, x): # self.val = x # self.next = None # # 代碼中的類名、方法名、參數(shù)名已經指定,請勿修改,直接返回方法規(guī)定的值即可 # # # @param head ListNode類 # @return ListNode類 # class Solution: def ReverseList(self, head: ListNode) -> ListNode: # write code here prev...