5从尾到头打印链表python

# -*- coding:utf-8 -*-
# class ListNode:
#     def __init__(self, x):
#         self.val = x
#         self.next = None

class Solution:
# 返回从尾部到头部的列表值序列，例如[1,2,3]
def printListFromTailToHead(self, listNode):
# write code here
if listNode is None:
return []
ans = []
while listNode:
ans.insert(0,listNode.val)
listNode = listNode.next
return ans