Day11_LEETCODE_137. Single Number II.ipynb

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       "99"
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    "class Solution(object):\n",
    "    def singleNumber(self, nums):\n",
    "        \"\"\"\n",
    "        :type nums: List[int]\n",
    "        :rtype: int\n",
    "        \"\"\"\n",
    "        dict = {}\n",
    "        for i in nums:\n",
    "            if i in dict:\n",
    "                dict[i]= dict[i]+1\n",
    "            else : dict[i]=1\n",
    "       \n",
    "        for i in dict:\n",
    "            if dict[i] < 3:\n",
    "                return i  \n",
    "            \n",
    "solution = Solution()            \n",
    "solution.singleNumber([0,1,0,1,0,1,99])"
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