从尾到头打印链表 leetcode206反转链表
输入一个链表，按链表值从尾到头的顺序返回一个数组
# class ListNode:
# def __init__(self, x):
# self.val = x
# self.next = None
class Solution:
def printListFromTailToHead(self, listNode):
res = list()
while listNode:
res.append(listNode.val)
listNode = listNode.next
return res[::-1]
