第三題：從尾到頭打印鏈表

輸入一個鏈表，按鏈表值從尾到頭的順序返回一個ArrayList。python # -*- coding:utf-8 -*- # class ListNode: # def __init__(self, x): # self.val = x # self.next = None class Solution: # 返回從尾部到頭部的列表值序列，例如[1,2,3] def print

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