#
# 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可
#
# 
# @param nums int整型一维数组 
# @return int整型一维数组
#
class Solution:
    def FindNumsAppearOnce(self , nums: List[int]) -> List[int]:
        # write code here
        arr = []
        for i in range (0,len(nums)-1):
            for j in range (i+1,len(nums)):
                if nums[i] == nums[j] :
                   arr.append(nums[i])
                   arr.append(nums[j])
        result = [item for item in nums if item not in arr]
        result.sort()  
        return result