66. 加一.ipynb

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    "class Solution:\n",
    "    def plusOne(self, digits: [int]) -> [int]:\n",
    "        for i in range(len(digits)-1,-1,-1):\n",
    "            digits[i] += 1\n",
    "            if digits[i] == 10:\n",
    "                digits[i] = 0\n",
    "            else:\n",
    "                break\n",
    "        if digits[0] == 0:\n",
    "            digits.insert(0,1)\n",
    "        return digits\n",
    "s = Solution()\n",
    "s.plusOne([9, 9])"
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