# !/usr/bin/env python
# -*-coding:utf-8-*-

"""
@author: xhades
@Date: 2018/1/26

"""


class Solution:
    def findDisappearedNumbers(self, nums):
        """
        :type nums: List[int]
        :rtype: List[int]
        """



if __name__ == "__main__":
    x = Solution().findDisappearedNumbers([4,3,2,7,8,2,3,1])
    print(x)