很久没有做编程题目了，感觉自己都变傻了。打算从今天开始每天刷一刷 LeetCode，尽量都用 Python 吧。水平有限，按照 AC Rate 从高到低做吧。
【题目】
数组中除了一个整数外，其他整数都出现2次，要求找出这个整数。
【分析】
利用『异或』的特性。
【代码】
class Solution:
# @param A, a list of integer
# @return an integer
def singleNumber(self, A):
result = 0;
for integer in A:
result ^= integer
return result
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本文标题：【Leetcode】Single Number
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