268. 缺失数字

 1 class Solution(object):
 2     def missingNumber(self, nums):
 3         """
 4         :type nums: List[int]
 5         :rtype: int
 6         """
 7         for i in range(len(nums) + 1):
 8             if i not in nums:
 9                 return i
10 
11 
12 if __name__ == ‘__main__‘:
13     solution = Solution()
14     print(solution.missingNumber([9, 6, 4, 2, 3, 5, 7, 0, 1]))
15     print(solution.missingNumber([0]))