Download Contains Duplicate.py
class Solution(object): def containsDuplicate(self, nums): """ :type nums: List[int] :rtype: bool """ # use set to check duplicate return len(nums) != len(set(nums)) # def containsDuplicate(self, nums): # nums.sort() # for i in range(len(nums) - 1): # if nums[i] == nums[i + 1]: # return True # return False
Leetcode 217 Contains Duplicate problem solution in python3 with explanation. This is the best place to expand your knowledge and get prepared for your next interview.
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