梦开始的地方 class Solution: def twoSum(self , numbers: List[int], target: int) -> List[int]: # write code here value2index = {} # 保存见过的数值和index for i,num in enumerate(numbers): if (target-num) in value2index: return [value2index[target-num]+1, i+1] value2index[num] = i 非常简单地保存下前面见过的数字和index,只要后面找到能配...