心得:思考要完整。。。
class Solution: # @param {integer[]} nums # @param {integer} k # @return {boolean} def containsNearbyDuplicate(self, nums, k): dict = {} for i in range(len(nums)): if(nums[i] in dict): if(i-dict[nums[i]]<=k): return True dict[nums[i]] = i return False