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   "source": [
    "https://leetcode.com/problems/palindrome-pairs"
   ]
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   "metadata": {},
   "source": [
    "# 2023/1/31"
   ]
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    "Time out\n",
    "\n",
    "```python\n",
    "from itertools import permutations\n",
    "\n",
    "class Solution:\n",
    "    def palindromePairs(self, words: List[str]) -> List[List[int]]:\n",
    "        # 2023/01/31 05:36\n",
    "        result = []\n",
    "        for pair in permutations([[index, word] for index, word in enumerate(words)], 2):\n",
    "            a, b = pair\n",
    "            a_index = a[0]\n",
    "            b_index = b[0]\n",
    "            a_string = a[1]\n",
    "            b_string = b[1]\n",
    "            c_string = a_string + b_string\n",
    "            if (c_string == c_string[::-1]):\n",
    "                result.append([a_index, b_index])\n",
    "        return result\n",
    "        # 2023/01/31 05:42\n",
    "```"
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