9. 回文数.ipynb

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      "1 1\n"
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    "class Solution:\n",
    "    def isPalindrome(self, x: int) -> bool:\n",
    "        if x < 0 or (x % 10 == 0 and x != 0):\n",
    "            return False\n",
    "        temp = 0\n",
    "        while x > temp:\n",
    "            temp = temp*10 + x % 10\n",
    "            x //= 10\n",
    "        return x == temp or x == temp//10\n",
    "s = Solution()\n",
    "s.isPalindrome(11)"
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