Gary827

class Solution(object):
    def containsDuplicate(self, nums):
        """
        :type nums: List[int]
        :rtype: bool
        """
        # 邏輯是對的，但是會Time Limit Exceeded
        # for j in range(0, len(nums)-1):
        #     temp = nums[j]
        #     for i in range(j+1,len(nums)):