38. 外观数列.ipynb

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       "'111221'"
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    "class Solution:\n",
    "    def countAndSay(self, n: int) -> str:\n",
    "        string = ''\n",
    "        i = 1\n",
    "        while i <= n:\n",
    "            if i == 1:\n",
    "                string += '1'\n",
    "            else:\n",
    "                temp = ''\n",
    "                count = 0\n",
    "                for j in range(len(string)):\n",
    "                    count += 1\n",
    "                    if j+1 == len(string) or string[j] != string[j+1]:\n",
    "                        temp += (str(count)+str(string[j]))\n",
    "                        count = 0\n",
    "                string = temp\n",
    "            i += 1\n",
    "        return string\n",
    "s = Solution()\n",
    "s.countAndSay(5)"
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