(LeetCode)Contains Duplicate -- 查看数组是否重复

Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct.

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解题分析：
题目过于简单，判断数组中是否有重复的。

# -*- coding:utf-8 -*-
__author__ = 'jiuzhang'
class Solution(object):
def containsDuplicate(self, nums):
return len(nums) != len(set(nums))

'''
测试部分
nums = [2,2, 3, 4, 5, 6]
S = Solution()
a = S.containsDuplicate(nums)
print a
'''