两数之和

两数之和

class Solution:
    def twoSum(self,nums,target):
        """
        :type nums:List[int]
        :type target:int
        :rtype:List[int]
        """
        for i in range(len(nums)):
            number=target-nums[i]
            for j in range(i+1,len(nums)):
                if nums[j]==number:
                    return [i,j]
a = Solution()
print(a.twoSum([1,2,3],4))