题解 | 两数之和

#
# 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 
# @param target int整型 
# @return int整型一维数组
#
class Solution:
    def twoSum(self , nums: List[int], target: int) -> List[int]:
        # write code here
        dic = dict()
        for k,v in enumerate(nums):
            x = target-v
            if x in dic:
                return [dic[x][0]+1,k+1]
            else:
                dic[v] = dic.setdefault(v,[])+[k]
        return []