{"id":2254,"date":"2026-04-30T00:07:27","date_gmt":"2026-04-29T16:07:27","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=2254"},"modified":"2026-04-30T13:45:12","modified_gmt":"2026-04-30T05:45:12","slug":"%e8%87%aa%e5%ae%9a%e4%b9%89%e6%8e%92%e5%ba%8f","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/04\/30\/%e8%87%aa%e5%ae%9a%e4%b9%89%e6%8e%92%e5%ba%8f\/preluna\/text\/","title":{"rendered":"\u81ea\u5b9a\u4e49\u6392\u5e8f"},"content":{"rendered":"\n
\"\"<\/div><\/figure>\n\n\n\n

\u8fd9\u9053\u9898\u7684\u672c\u8d28\uff1a\u81ea\u5b9a\u4e49\u6392\u5e8f<\/h2>\n\n\n\n

\u8fd9\u9053\u9898\u4e0d\u662f\u666e\u901a\u7684\u201c\u6309\u5b57\u6bcd\u8868\u6392\u5e8f\u201d\uff0c\u800c\u662f\u8981\u6c42\u4f60\u6309\u7167\u9898\u76ee\u7ed9\u5b9a\u7684\u7279\u6b8a\u89c4\u5219\u6392\u5e8f\u5b57\u7b26\u4e32 S<\/code>\u3002<\/p>\n\n\n\n

\u6392\u5e8f\u540e\u7684\u987a\u5e8f\u5fc5\u987b\u662f\uff1a<\/p>\n\n\n\n

    \n
  1. \u5c0f\u5199\u5b57\u6bcd\u5728\u6700\u524d\u9762\uff0c\u5e76\u4e14\u5c0f\u5199\u5b57\u6bcd\u5185\u90e8\u6309\u5b57\u6bcd\u987a\u5e8f\u6392\u5e8f<\/li>\n\n\n\n
  2. \u5927\u5199\u5b57\u6bcd\u6392\u5728\u5c0f\u5199\u5b57\u6bcd\u540e\u9762\uff0c\u5e76\u4e14\u5927\u5199\u5b57\u6bcd\u5185\u90e8\u6309\u5b57\u6bcd\u987a\u5e8f\u6392\u5e8f<\/li>\n\n\n\n
  3. \u5947\u6570\u6570\u5b57\u6392\u5728\u5927\u5199\u5b57\u6bcd\u540e\u9762\uff0c\u5e76\u4e14\u5947\u6570\u5185\u90e8\u6309\u4ece\u5c0f\u5230\u5927\u6392\u5e8f<\/li>\n\n\n\n
  4. \u5076\u6570\u6570\u5b57\u6392\u5728\u6700\u540e\uff0c\u5e76\u4e14\u5076\u6570\u5185\u90e8\u6309\u4ece\u5c0f\u5230\u5927\u6392\u5e8f<\/li>\n<\/ol>\n\n\n\n

    \u6240\u4ee5\u5b83\u7684\u6392\u5e8f\u4f18\u5148\u7ea7\u53ef\u4ee5\u7406\u89e3\u6210\uff1a<\/p>\n\n\n\n

    \u5c0f\u5199\u5b57\u6bcd < \u5927\u5199\u5b57\u6bcd < \u5947\u6570\u6570\u5b57 < \u5076\u6570\u6570\u5b57\n<\/code><\/pre>\n\n\n\n
    \u9898\u76ee\u7ed9\u7684\u4f8b\u5b50\u662f\uff1a<\/p>\n\n\n\n
    Sorting1234\n<\/code><\/pre>\n\n\n\n
    \u6211\u4eec\u5148\u62c6\u5f00\u770b\uff1a<\/p>\n\n\n\n
    \u5c0f\u5199\u5b57\u6bcd\uff1ao r t i n g\n\u5927\u5199\u5b57\u6bcd\uff1aS\n\u5947\u6570\u6570\u5b57\uff1a1 3\n\u5076\u6570\u6570\u5b57\uff1a2 4\n<\/code><\/pre>\n\n\n\n
    \u5206\u522b\u6392\u5e8f\u540e\uff1a<\/p>\n\n\n\n
    \u5c0f\u5199\u5b57\u6bcd\uff1ag i n o r t\n\u5927\u5199\u5b57\u6bcd\uff1aS\n\u5947\u6570\u6570\u5b57\uff1a1 3\n\u5076\u6570\u6570\u5b57\uff1a2 4\n<\/code><\/pre>\n\n\n\n
    \u62fc\u8d77\u6765\u5c31\u662f\uff1a<\/p>\n\n\n\n
    ginortS1324\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u6700\u5bb9\u6613\u7406\u89e3\u7684\u505a\u6cd5\uff1a\u5206\u7ec4\uff0c\u518d\u6392\u5e8f\uff0c\u518d\u62fc\u63a5<\/h2>\n\n\n\n
    \u521d\u5b66\u8005\u5efa\u8bae\u5148\u7528\u8fd9\u79cd\u65b9\u6cd5\u3002\u56e0\u4e3a\u5b83\u975e\u5e38\u7b26\u5408\u4eba\u7684\u601d\u8003\u8fc7\u7a0b\u3002<\/p>\n\n\n\n
    \u601d\u8def<\/h3>\n\n\n\n
    \u770b\u5230\u4e00\u4e2a\u5b57\u7b26\uff0c\u6211\u4eec\u5148\u5224\u65ad\u5b83\u5c5e\u4e8e\u54ea\u4e00\u7c7b\uff1a<\/p>\n\n\n\n
    \u5982\u679c\u662f\u5c0f\u5199\u5b57\u6bcd\uff0c\u653e\u8fdb lowercase\n\u5982\u679c\u662f\u5927\u5199\u5b57\u6bcd\uff0c\u653e\u8fdb uppercase\n\u5982\u679c\u662f\u6570\u5b57\uff1a\n    \u5982\u679c\u662f\u5947\u6570\uff0c\u653e\u8fdb odd_digits\n    \u5982\u679c\u662f\u5076\u6570\uff0c\u653e\u8fdb even_digits\n<\/code><\/pre>\n\n\n\n
    \u6700\u540e\u5206\u522b\u6392\u5e8f\uff0c\u518d\u62fc\u8d77\u6765\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u4ee3\u7801\u5199\u6cd5\u4e00\uff1a\u5206\u7ec4\u6cd5\uff0c\u9002\u5408\u521d\u5b66\u8005<\/h2>\n\n\n\n
    s = input()\n\nlowercase = []\nuppercase = []\nodd_digits = []\neven_digits = []\n\nfor ch in s:\n    if ch.islower():\n        lowercase.append(ch)\n    elif ch.isupper():\n        uppercase.append(ch)\n    elif ch.isdigit():\n        if int(ch) % 2 == 1:\n            odd_digits.append(ch)\n        else:\n            even_digits.append(ch)\n\nresult = (\n    sorted(lowercase)\n    + sorted(uppercase)\n    + sorted(odd_digits)\n    + sorted(even_digits)\n)\n\nprint(\"\".join(result))\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u9010\u884c\u89e3\u91ca<\/h2>\n\n\n\n
    \u5148\u8bfb\u5165\u5b57\u7b26\u4e32\uff1a<\/p>\n\n\n\n
    s = input()\n<\/code><\/pre>\n\n\n\n
    \u6bd4\u5982\u7528\u6237\u8f93\u5165\uff1a<\/p>\n\n\n\n
    Sorting1234\n<\/code><\/pre>\n\n\n\n
    \u90a3\u4e48\u53d8\u91cf s<\/code> \u91cc\u9762\u4fdd\u5b58\u7684\u5c31\u662f\u8fd9\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n
    \u7136\u540e\u51c6\u5907\u56db\u4e2a\u5217\u8868\uff0c\u7528\u6765\u5206\u522b\u4fdd\u5b58\u56db\u7c7b\u5b57\u7b26\uff1a<\/p>\n\n\n\n
    lowercase = []\nuppercase = []\nodd_digits = []\neven_digits = []\n<\/code><\/pre>\n\n\n\n
    \u63a5\u7740\u904d\u5386\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\uff1a<\/p>\n\n\n\n
    for ch in s:\n<\/code><\/pre>\n\n\n\n
    \u6bd4\u5982 Sorting1234<\/code> \u4f1a\u4f9d\u6b21\u53d6\u51fa\uff1a<\/p>\n\n\n\n
    S\no\nr\nt\ni\nn\ng\n1\n2\n3\n4\n<\/code><\/pre>\n\n\n\n
    \u5224\u65ad\u662f\u5426\u662f\u5c0f\u5199\u5b57\u6bcd\uff1a<\/p>\n\n\n\n
    if ch.islower():\n    lowercase.append(ch)\n<\/code><\/pre>\n\n\n\n
    \u4f8b\u5982 o<\/code>\u3001r<\/code>\u3001t<\/code>\u3001i<\/code>\u3001n<\/code>\u3001g<\/code> \u90fd\u4f1a\u8fdb\u5165 lowercase<\/code>\u3002<\/p>\n\n\n\n
    \u5224\u65ad\u662f\u5426\u662f\u5927\u5199\u5b57\u6bcd\uff1a<\/p>\n\n\n\n
    elif ch.isupper():\n    uppercase.append(ch)\n<\/code><\/pre>\n\n\n\n
    \u4f8b\u5982 S<\/code> \u4f1a\u8fdb\u5165 uppercase<\/code>\u3002<\/p>\n\n\n\n
    \u5224\u65ad\u662f\u5426\u662f\u6570\u5b57\uff1a<\/p>\n\n\n\n
    elif ch.isdigit():\n<\/code><\/pre>\n\n\n\n
    \u6570\u5b57\u8fd8\u8981\u7ee7\u7eed\u5224\u65ad\u662f\u5947\u6570\u8fd8\u662f\u5076\u6570\uff1a<\/p>\n\n\n\n
    if int(ch) % 2 == 1:\n    odd_digits.append(ch)\nelse:\n    even_digits.append(ch)\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u91cc\u8981\u6ce8\u610f\uff0cch<\/code> \u662f\u5b57\u7b26\u4e32\u5b57\u7b26\uff0c\u6bd4\u5982 \"1\"<\/code>\uff0c\u4e0d\u662f\u6570\u5b57 1<\/code>\u3002<\/p>\n\n\n\n
    \u6240\u4ee5\u8981\u5148\u5199\uff1a<\/p>\n\n\n\n
    int(ch)\n<\/code><\/pre>\n\n\n\n
    \u628a\u5b57\u7b26\u4e32\u5f62\u5f0f\u7684\u6570\u5b57\u8f6c\u6362\u6210\u6574\u6570\uff0c\u7136\u540e\u624d\u80fd\u5224\u65ad\u5947\u5076\u3002<\/p>\n\n\n\n
    \u4f8b\u5982\uff1a<\/p>\n\n\n\n
    int(\"3\") % 2 == 1\n<\/code><\/pre>\n\n\n\n
    \u8bf4\u660e \"3\"<\/code> \u662f\u5947\u6570\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u4e3a\u4ec0\u4e48\u6700\u540e\u8981 sorted()\uff1f<\/h2>\n\n\n\n
    \u9898\u76ee\u8981\u6c42\u6bcf\u4e00\u7c7b\u5185\u90e8\u4e5f\u8981\u6392\u5e8f\u3002<\/p>\n\n\n\n
    \u4f8b\u5982\u5c0f\u5199\u5b57\u6bcd\uff1a<\/p>\n\n\n\n
    ['o', 'r', 't', 'i', 'n', 'g']\n<\/code><\/pre>\n\n\n\n
    \u6392\u5e8f\u540e\u53d8\u6210\uff1a<\/p>\n\n\n\n
    ['g', 'i', 'n', 'o', 'r', 't']\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\u6700\u540e\u5199\uff1a<\/p>\n\n\n\n
    sorted(lowercase)\n<\/code><\/pre>\n\n\n\n
    \u6ce8\u610f\uff1asorted()<\/code> \u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u65b0\u7684\u5217\u8868\uff0c\u4e0d\u4f1a\u76f4\u63a5\u53d8\u6210\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n
    \u6700\u540e\u56db\u90e8\u5206\u62fc\u8d77\u6765\uff1a<\/p>\n\n\n\n
    result = (\n    sorted(lowercase)\n    + sorted(uppercase)\n    + sorted(odd_digits)\n    + sorted(even_digits)\n)\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u65f6\u5019 result<\/code> \u8fd8\u662f\u4e00\u4e2a\u5217\u8868\uff0c\u5927\u6982\u662f\uff1a<\/p>\n\n\n\n
    ['g', 'i', 'n', 'o', 'r', 't', 'S', '1', '3', '2', '4']\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\u8981\u7528\uff1a<\/p>\n\n\n\n
    \"\".join(result)\n<\/code><\/pre>\n\n\n\n
    \u628a\u5b57\u7b26\u5217\u8868\u5408\u6210\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u4ee3\u7801\u5199\u6cd5\u4e8c\uff1a\u4f7f\u7528 sorted \u7684 key \u53c2\u6570<\/h2>\n\n\n\n
    \u8fd9\u9053\u9898\u5728 HackerRank \u4e0a\u5e38\u89c1\u7684\u7b80\u6d01\u5199\u6cd5\u662f\u4f7f\u7528 sorted()<\/code> \u7684 key<\/code> \u53c2\u6570\u3002<\/p>\n\n\n\n
    s = input()\n\ndef sort_key(ch):\n    if ch.islower():\n        return (0, ch)\n    elif ch.isupper():\n        return (1, ch)\n    elif ch.isdigit() and int(ch) % 2 == 1:\n        return (2, ch)\n    else:\n        return (3, ch)\n\nprint(\"\".join(sorted(s, key=sort_key)))\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    key \u7684\u6838\u5fc3\u601d\u60f3<\/h2>\n\n\n\n
    sorted()<\/code> \u9ed8\u8ba4\u53ea\u77e5\u9053\u666e\u901a\u6392\u5e8f\uff0c\u4f46\u662f\u8fd9\u9053\u9898\u9700\u8981\u7279\u6b8a\u89c4\u5219\u3002<\/p>\n\n\n\n
    \u6240\u4ee5\u6211\u4eec\u544a\u8bc9 Python\uff1a<\/p>\n\n\n\n
    \u6bcf\u4e2a\u5b57\u7b26\u6392\u5e8f\u4e4b\u524d\uff0c\u5148\u7ed9\u5b83\u4e00\u4e2a\u6392\u5e8f\u6807\u7b7e\n<\/code><\/pre>\n\n\n\n
    \u6bd4\u5982\uff1a<\/p>\n\n\n\n
    \u5c0f\u5199\u5b57\u6bcd -> \u7b2c 0 \u7c7b\n\u5927\u5199\u5b57\u6bcd -> \u7b2c 1 \u7c7b\n\u5947\u6570\u6570\u5b57 -> \u7b2c 2 \u7c7b\n\u5076\u6570\u6570\u5b57 -> \u7b2c 3 \u7c7b\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\uff1a<\/p>\n\n\n\n
    return (0, ch)\n<\/code><\/pre>\n\n\n\n
    \u610f\u601d\u662f\uff1a<\/p>\n\n\n\n
    \u5148\u6309\u7167\u7b2c 0 \u7c7b\u6392\u5e8f\n\u5982\u679c\u7c7b\u522b\u4e00\u6837\uff0c\u518d\u6309\u7167 ch \u81ea\u8eab\u6392\u5e8f\n<\/code><\/pre>\n\n\n\n
    \u4f8b\u5982\uff1a<\/p>\n\n\n\n
    'g' -> (0, 'g')\n'i' -> (0, 'i')\n'S' -> (1, 'S')\n'1' -> (2, '1')\n'2' -> (3, '2')\n<\/code><\/pre>\n\n\n\n
    Python \u6392\u5e8f\u5143\u7ec4\u65f6\uff0c\u4f1a\u5148\u6bd4\u8f83\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u518d\u6bd4\u8f83\u7b2c\u4e8c\u4e2a\u5143\u7d20\u3002<\/p>\n\n\n\n
    \u6240\u4ee5\uff1a<\/p>\n\n\n\n
    (0, 'g') \u4f1a\u6392\u5728 (1, 'S') \u524d\u9762\n<\/code><\/pre>\n\n\n\n
    \u56e0\u4e3a 0 < 1<\/code>\u3002<\/p>\n\n\n\n
    \u5982\u679c\u90fd\u662f\u5c0f\u5199\u5b57\u6bcd\uff1a<\/p>\n\n\n\n
    (0, 'g')\n(0, 'i')\n(0, 'n')\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e00\u9879\u90fd\u662f 0<\/code>\uff0cPython \u5c31\u7ee7\u7eed\u6bd4\u8f83\u7b2c\u4e8c\u9879\uff0c\u4e5f\u5c31\u662f\u5b57\u6bcd\u672c\u8eab\uff0c\u56e0\u6b64\u5f97\u5230\u5b57\u6bcd\u987a\u5e8f\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u66f4\u77ed\u7684 lambda \u5199\u6cd5<\/h2>\n\n\n\n
    \u719f\u7ec3\u4ee5\u540e\uff0c\u8fd9\u9053\u9898\u53ef\u4ee5\u5199\u6210\uff1a<\/p>\n\n\n\n
    s = input()\n\nprint(\"\".join(sorted(s, key=lambda ch: (\n    ch.isdigit(),\n    ch.isdigit() and int(ch) % 2 == 0,\n    ch.isupper(),\n    ch\n))))\n<\/code><\/pre>\n\n\n\n
    \u4f46\u662f\u8fd9\u4e2a\u5199\u6cd5\u5bf9\u521d\u5b66\u8005\u4e0d\u592a\u53cb\u597d\uff0c\u56e0\u4e3a\u5b83\u5229\u7528\u4e86\u5e03\u5c14\u503c\u6392\u5e8f\uff1a<\/p>\n\n\n\n
    False < True\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\u73b0\u9636\u6bb5\u4e0d\u5efa\u8bae\u4f60\u4f18\u5148\u8bb0\u8fd9\u4e2a\u5199\u6cd5\u3002<\/p>\n\n\n\n
    \u4f60\u771f\u6b63\u5e94\u8be5\u5148\u638c\u63e1\u7684\u662f\u524d\u9762\u4e24\u4e2a\u7248\u672c\uff1a<\/p>\n\n\n\n
    \u5206\u7ec4\u6cd5\n\u81ea\u5b9a\u4e49 key \u51fd\u6570\u6cd5\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u5e38\u89c1\u9519\u8bef\u4e0e\u6613\u6df7\u70b9<\/h2>\n\n\n\n
    1. \u4ee5\u4e3a\u76f4\u63a5 sorted(s) \u5c31\u53ef\u4ee5<\/h3>\n\n\n\n
    \u4e0d\u53ef\u4ee5\u3002<\/p>\n\n\n\n
    print(\"\".join(sorted(s)))\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u662f\u666e\u901a\u6392\u5e8f\uff0c\u4e0d\u7b26\u5408\u9898\u76ee\u7684\u7279\u6b8a\u987a\u5e8f\u3002<\/p>\n\n\n\n
    \u666e\u901a\u6392\u5e8f\u53ef\u80fd\u4f1a\u6309\u7167\u5b57\u7b26\u7f16\u7801\u987a\u5e8f\u6392\uff0c\u4e0d\u4f1a\u81ea\u52a8\u6ee1\u8db3\uff1a<\/p>\n\n\n\n
    \u5c0f\u5199\u5b57\u6bcd -> \u5927\u5199\u5b57\u6bcd -> \u5947\u6570 -> \u5076\u6570\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    2. \u5fd8\u8bb0\u628a\u6570\u5b57\u5b57\u7b26\u8f6c\u6362\u6210 int<\/h3>\n\n\n\n
    \u9519\u8bef\u5199\u6cd5\uff1a<\/p>\n\n\n\n
    if ch % 2 == 1:\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u91cc\u4f1a\u62a5\u9519\uff0c\u56e0\u4e3a ch<\/code> \u662f\u5b57\u7b26\u4e32\uff0c\u4e0d\u662f\u6574\u6570\u3002<\/p>\n\n\n\n
    \u6b63\u786e\u5199\u6cd5\uff1a<\/p>\n\n\n\n
    if int(ch) % 2 == 1:\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    3. \u5fd8\u8bb0 join<\/h3>\n\n\n\n
    sorted()<\/code> \u5f97\u5230\u7684\u662f\u5217\u8868\u3002<\/p>\n\n\n\n
    \u4f8b\u5982\uff1a<\/p>\n\n\n\n
    ['g', 'i', 'n', 'o', 'r', 't']\n<\/code><\/pre>\n\n\n\n
    \u9898\u76ee\u8981\u6c42\u8f93\u51fa\u5b57\u7b26\u4e32\uff0c\u6240\u4ee5\u5fc5\u987b\u5199\uff1a<\/p>\n\n\n\n
    \"\".join(result)\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    4. \u5206\u7ec4\u987a\u5e8f\u5199\u9519<\/h3>\n\n\n\n
    \u9898\u76ee\u8981\u6c42\u662f\uff1a<\/p>\n\n\n\n
    \u5c0f\u5199\u5b57\u6bcd -> \u5927\u5199\u5b57\u6bcd -> \u5947\u6570\u6570\u5b57 -> \u5076\u6570\u6570\u5b57\n<\/code><\/pre>\n\n\n\n
    \u4e0d\u662f\uff1a<\/p>\n\n\n\n
    \u5c0f\u5199\u5b57\u6bcd -> \u5927\u5199\u5b57\u6bcd -> \u6240\u6709\u6570\u5b57\n<\/code><\/pre>\n\n\n\n
    \u4e5f\u4e0d\u662f\uff1a<\/p>\n\n\n\n
    \u5b57\u6bcd -> \u6570\u5b57\n<\/code><\/pre>\n\n\n\n
    \u6570\u5b57\u8fd8\u8981\u518d\u5206\u6210\u5947\u6570\u548c\u5076\u6570\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u672c\u9898\u63a8\u8350\u4f60\u8bb0\u4f4f\u7684\u89e3\u9898\u5957\u8def<\/h2>\n\n\n\n
    \u9047\u5230\u8fd9\u79cd\u9898\uff0c\u53ef\u4ee5\u6309\u8fd9\u4e2a\u601d\u8def\u60f3\uff1a<\/p>\n\n\n\n
    \u7b2c\u4e00\u6b65\uff1a\u9898\u76ee\u662f\u4e0d\u662f\u666e\u901a\u6392\u5e8f\uff1f\n\u7b2c\u4e8c\u6b65\uff1a\u5982\u679c\u4e0d\u662f\u666e\u901a\u6392\u5e8f\uff0c\u6709\u54ea\u4e9b\u5206\u7c7b\uff1f\n\u7b2c\u4e09\u6b65\uff1a\u6bcf\u4e00\u7c7b\u5185\u90e8\u662f\u5426\u8fd8\u8981\u6392\u5e8f\uff1f\n\u7b2c\u56db\u6b65\uff1a\u5206\u7c7b\u540e\u6392\u5e8f\uff0c\u6700\u540e\u62fc\u63a5\u8f93\u51fa\u3002\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u9053\u9898\u5bf9\u5e94\u5c31\u662f\uff1a<\/p>\n\n\n\n
    \u5206\u7c7b\uff1a\n\u5c0f\u5199\u5b57\u6bcd\u3001\u5927\u5199\u5b57\u6bcd\u3001\u5947\u6570\u6570\u5b57\u3001\u5076\u6570\u6570\u5b57\n\n\u6bcf\u7c7b\u5185\u90e8\uff1a\n\u90fd\u8981\u6392\u5e8f\n\n\u6700\u540e\uff1a\n\u5c0f\u5199 + \u5927\u5199 + \u5947\u6570 + \u5076\u6570\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u63a8\u8350\u7b54\u6848<\/h2>\n\n\n\n
    \u521d\u5b66\u9636\u6bb5\u5efa\u8bae\u63d0\u4ea4\u8fd9\u4e2a\u7248\u672c\uff1a<\/p>\n\n\n\n
    s = input()\n\nlowercase = []\nuppercase = []\nodd_digits = []\neven_digits = []\n\nfor ch in s:\n    if ch.islower():\n        lowercase.append(ch)\n    elif ch.isupper():\n        uppercase.append(ch)\n    elif ch.isdigit():\n        if int(ch) % 2 == 1:\n            odd_digits.append(ch)\n        else:\n            even_digits.append(ch)\n\nresult = (\n    sorted(lowercase)\n    + sorted(uppercase)\n    + sorted(odd_digits)\n    + sorted(even_digits)\n)\n\nprint(\"\".join(result))\n<\/code><\/pre>\n\n\n\n
    \u7b49\u4f60\u719f\u6089 sorted(..., key=...)<\/code> \u4ee5\u540e\uff0c\u53ef\u4ee5\u518d\u4f7f\u7528\u8fd9\u4e2a\u7248\u672c\uff1a<\/p>\n\n\n\n
    s = input()\n\ndef sort_key(ch):\n    if ch.islower():\n        return (0, ch)\n    elif ch.isupper():\n        return (1, ch)\n    elif int(ch) % 2 == 1:\n        return (2, ch)\n    else:\n        return (3, ch)\n\nprint(\"\".join(sorted(s, key=sort_key)))\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u7ec3\u4e60<\/h2>\n\n\n\n
    \u9898\u76ee\uff1a<\/p>\n\n\n\n
    \u8f93\u5165\u4e00\u4e2a\u53ea\u5305\u542b\u5927\u5c0f\u5199\u5b57\u6bcd\u548c\u6570\u5b57\u7684\u5b57\u7b26\u4e32\uff0c\u8981\u6c42\u6309\u7167\u4e0b\u9762\u89c4\u5219\u6392\u5e8f\uff1a<\/p>\n\n\n\n
    \u6570\u5b57\u6392\u6700\u524d\u9762\n\u5c0f\u5199\u5b57\u6bcd\u6392\u7b2c\u4e8c\n\u5927\u5199\u5b57\u6bcd\u6392\u6700\u540e\n\u6bcf\u4e00\u7c7b\u5185\u90e8\u90fd\u6309\u5347\u5e8f\u6392\u5e8f\n<\/code><\/pre>\n\n\n\n
    \u4f8b\u5982\u8f93\u5165\uff1a<\/p>\n\n\n\n
    bA3aC1\n<\/code><\/pre>\n\n\n\n
    \u5e94\u8be5\u8f93\u51fa\uff1a<\/p>\n\n\n\n
    13abAC\n<\/code><\/pre>\n\n\n\n
    \u63d0\u793a\uff1a<\/p>\n\n\n\n
    \u4f60\u53ef\u4ee5\u51c6\u5907\u4e09\u4e2a\u5217\u8868\uff1a<\/p>\n\n\n\n
    digits = []\nlowercase = []\nuppercase = []\n<\/code><\/pre>\n\n\n\n
    \u904d\u5386\u5b57\u7b26\u4e32\u65f6\uff0c\u5206\u522b\u7528\uff1a<\/p>\n\n\n\n
    ch.isdigit()\nch.islower()\nch.isupper()\n<\/code><\/pre>\n\n\n\n
    \u5224\u65ad\u5b57\u7b26\u5c5e\u4e8e\u54ea\u4e00\u7c7b\u3002<\/p>\n\n\n\n
    \u8865\u5145\uff1asorted(s, key=sort_key)<\/code> \u8fd9\u4e00\u53e5\u6574\u4f53\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h2>\n\n\n\n
    \u8fd9\u4e00\u53e5\u53ef\u4ee5\u62c6\u6210\u4e24\u90e8\u5206\u770b\uff1a<\/p>\n\n\n\n
    sorted(s, key=sort_key)\n<\/code><\/pre>\n\n\n\n
    \u610f\u601d\u662f\uff1a<\/p>\n\n\n\n
    \u628a\u5b57\u7b26\u4e32 s \u91cc\u9762\u7684\u6bcf\u4e2a\u5b57\u7b26\u62ff\u51fa\u6765\u6392\u5e8f\uff0c\n\u4f46\u662f\u6392\u5e8f\u65f6\u4e0d\u8981\u7528 Python \u9ed8\u8ba4\u89c4\u5219\uff0c\n\u800c\u662f\u7528 sort_key \u8fd9\u4e2a\u51fd\u6570\u63d0\u4f9b\u7684\u89c4\u5219\u6765\u6392\u5e8f\u3002\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u91cc\u6700\u5173\u952e\u7684\u662f\uff1a<\/p>\n\n\n\n
    key=sort_key\n<\/code><\/pre>\n\n\n\n
    \u5b83\u8868\u793a\uff1a<\/p>\n\n\n\n
    \u6392\u5e8f\u4e4b\u524d\uff0c\u5148\u628a\u6bcf\u4e2a\u5b57\u7b26\u4ea4\u7ed9 sort_key \u51fd\u6570\u5904\u7406\u4e00\u4e0b\uff0c\nsort_key \u8fd4\u56de\u4ec0\u4e48\uff0cPython \u5c31\u6839\u636e\u8fd4\u56de\u503c\u6765\u51b3\u5b9a\u6392\u5e8f\u987a\u5e8f\u3002\n<\/code><\/pre>\n\n\n\n
    \u6ce8\u610f\uff1akey<\/code> \u4e0d\u662f\u5173\u952e\u5b57\u672c\u8eab\u7684\u610f\u601d\uff0c\u800c\u662f\u201c\u6392\u5e8f\u4f9d\u636e\u201d\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u4e0d\u52a0 key \u65f6\uff0csorted \u600e\u4e48\u6392\uff1f<\/h2>\n\n\n\n
    \u6bd4\u5982\uff1a<\/p>\n\n\n\n
    s = \"Sorting1234\"\nprint(sorted(s))\n<\/code><\/pre>\n\n\n\n
    Python \u4f1a\u6309\u7167\u9ed8\u8ba4\u5b57\u7b26\u987a\u5e8f\u6392\u5e8f\u3002<\/p>\n\n\n\n
    \u4f46\u662f\u9ed8\u8ba4\u6392\u5e8f\u4e0d\u7b26\u5408\u9898\u76ee\u8981\u6c42\uff0c\u56e0\u4e3a\u9898\u76ee\u8981\u6c42\u7684\u662f\uff1a<\/p>\n\n\n\n
    \u5c0f\u5199\u5b57\u6bcd -> \u5927\u5199\u5b57\u6bcd -> \u5947\u6570\u6570\u5b57 -> \u5076\u6570\u6570\u5b57\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u4e0d\u662f Python \u9ed8\u8ba4\u77e5\u9053\u7684\u89c4\u5219\uff0c\u6240\u4ee5\u6211\u4eec\u8981\u544a\u8bc9 sorted()<\/code> \u4e00\u4e2a\u65b0\u7684\u6392\u5e8f\u89c4\u5219\u3002<\/p>\n\n\n\n
    \n\n\n\n
    key \u53c2\u6570\u7684\u4f5c\u7528\uff1a\u7ed9\u6bcf\u4e2a\u5b57\u7b26\u751f\u6210\u4e00\u4e2a\u201c\u6392\u5e8f\u6807\u7b7e\u201d<\/h2>\n\n\n\n
    \u5047\u8bbe\u6211\u4eec\u5199\u4e86\u8fd9\u4e2a\u51fd\u6570\uff1a<\/p>\n\n\n\n
    def sort_key(ch):\n    if ch.islower():\n        return (0, ch)\n    elif ch.isupper():\n        return (1, ch)\n    elif int(ch) % 2 == 1:\n        return (2, ch)\n    else:\n        return (3, ch)\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u4e2a\u51fd\u6570\u7684\u4f5c\u7528\u4e0d\u662f\u76f4\u63a5\u6392\u5e8f\uff0c\u800c\u662f\u7ed9\u6bcf\u4e2a\u5b57\u7b26\u751f\u6210\u4e00\u4e2a\u201c\u6392\u5e8f\u7528\u7684\u503c\u201d\u3002<\/p>\n\n\n\n
    \u4f8b\u5982\uff1a<\/p>\n\n\n\n
    sort_key(\"g\")\n<\/code><\/pre>\n\n\n\n
    \u8fd4\u56de\uff1a<\/p>\n\n\n\n
    (0, \"g\")\n<\/code><\/pre>\n\n\n\n
    \u8868\u793a\uff1a<\/p>\n\n\n\n
    \"g\" \u662f\u7b2c 0 \u7c7b\uff0c\u4e5f\u5c31\u662f\u5c0f\u5199\u5b57\u6bcd\n\u5728\u5c0f\u5199\u5b57\u6bcd\u5185\u90e8\uff0c\u6309\u7167 \"g\" \u81ea\u5df1\u6392\u5e8f\n<\/code><\/pre>\n\n\n\n
    \u518d\u6bd4\u5982\uff1a<\/p>\n\n\n\n
    sort_key(\"S\")\n<\/code><\/pre>\n\n\n\n
    \u8fd4\u56de\uff1a<\/p>\n\n\n\n
    (1, \"S\")\n<\/code><\/pre>\n\n\n\n
    \u8868\u793a\uff1a<\/p>\n\n\n\n
    \"S\" \u662f\u7b2c 1 \u7c7b\uff0c\u4e5f\u5c31\u662f\u5927\u5199\u5b57\u6bcd\n<\/code><\/pre>\n\n\n\n
    \u518d\u6bd4\u5982\uff1a<\/p>\n\n\n\n
    sort_key(\"3\")\n<\/code><\/pre>\n\n\n\n
    \u8fd4\u56de\uff1a<\/p>\n\n\n\n
    (2, \"3\")\n<\/code><\/pre>\n\n\n\n
    \u8868\u793a\uff1a<\/p>\n\n\n\n
    \"3\" \u662f\u7b2c 2 \u7c7b\uff0c\u4e5f\u5c31\u662f\u5947\u6570\u6570\u5b57\n<\/code><\/pre>\n\n\n\n
    \u518d\u6bd4\u5982\uff1a<\/p>\n\n\n\n
    sort_key(\"2\")\n<\/code><\/pre>\n\n\n\n
    \u8fd4\u56de\uff1a<\/p>\n\n\n\n
    (3, \"2\")\n<\/code><\/pre>\n\n\n\n
    \u8868\u793a\uff1a<\/p>\n\n\n\n
    \"2\" \u662f\u7b2c 3 \u7c7b\uff0c\u4e5f\u5c31\u662f\u5076\u6570\u6570\u5b57\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    sorted(s, key=sort_key) \u7684\u6267\u884c\u8fc7\u7a0b<\/h2>\n\n\n\n
    \u5047\u8bbe\uff1a<\/p>\n\n\n\n
    s = \"Sorting1234\"\n<\/code><\/pre>\n\n\n\n
    \u6267\u884c\uff1a<\/p>\n\n\n\n
    sorted(s, key=sort_key)\n<\/code><\/pre>\n\n\n\n
    Python \u5927\u81f4\u4f1a\u8fd9\u6837\u505a\uff1a<\/p>\n\n\n\n
    \u62ff\u5230 \"S\" -> \u8c03\u7528 sort_key(\"S\") -> \u5f97\u5230 (1, \"S\")\n\u62ff\u5230 \"o\" -> \u8c03\u7528 sort_key(\"o\") -> \u5f97\u5230 (0, \"o\")\n\u62ff\u5230 \"r\" -> \u8c03\u7528 sort_key(\"r\") -> \u5f97\u5230 (0, \"r\")\n\u62ff\u5230 \"t\" -> \u8c03\u7528 sort_key(\"t\") -> \u5f97\u5230 (0, \"t\")\n\u62ff\u5230 \"i\" -> \u8c03\u7528 sort_key(\"i\") -> \u5f97\u5230 (0, \"i\")\n\u62ff\u5230 \"n\" -> \u8c03\u7528 sort_key(\"n\") -> \u5f97\u5230 (0, \"n\")\n\u62ff\u5230 \"g\" -> \u8c03\u7528 sort_key(\"g\") -> \u5f97\u5230 (0, \"g\")\n\u62ff\u5230 \"1\" -> \u8c03\u7528 sort_key(\"1\") -> \u5f97\u5230 (2, \"1\")\n\u62ff\u5230 \"2\" -> \u8c03\u7528 sort_key(\"2\") -> \u5f97\u5230 (3, \"2\")\n\u62ff\u5230 \"3\" -> \u8c03\u7528 sort_key(\"3\") -> \u5f97\u5230 (2, \"3\")\n\u62ff\u5230 \"4\" -> \u8c03\u7528 sort_key(\"4\") -> \u5f97\u5230 (3, \"4\")\n<\/code><\/pre>\n\n\n\n
    \u7136\u540e Python \u6839\u636e\u8fd9\u4e9b\u8fd4\u56de\u503c\u6765\u6392\u5e8f\u3002<\/p>\n\n\n\n
    \u4e5f\u5c31\u662f\u8bf4\uff0c\u5b83\u771f\u6b63\u6bd4\u8f83\u7684\u4e0d\u662f\u539f\u6765\u7684\u5b57\u7b26\u672c\u8eab\uff0c\u800c\u662f\u8fd9\u4e9b\u5143\u7ec4\uff1a<\/p>\n\n\n\n
    \"S\" -> (1, \"S\")\n\"o\" -> (0, \"o\")\n\"r\" -> (0, \"r\")\n\"t\" -> (0, \"t\")\n\"i\" -> (0, \"i\")\n\"n\" -> (0, \"n\")\n\"g\" -> (0, \"g\")\n\"1\" -> (2, \"1\")\n\"2\" -> (3, \"2\")\n\"3\" -> (2, \"3\")\n\"4\" -> (3, \"4\")\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u4e3a\u4ec0\u4e48\u8fd4\u56de\u7684\u662f (0, ch)<\/code> \u8fd9\u79cd\u5f62\u5f0f\uff1f<\/h2>\n\n\n\n
    \u56e0\u4e3a\u5143\u7ec4\u53ef\u4ee5\u6309\u987a\u5e8f\u6bd4\u8f83\u3002<\/p>\n\n\n\n
    Python \u6bd4\u8f83\u4e24\u4e2a\u5143\u7ec4\u65f6\uff0c\u4f1a\u5148\u6bd4\u8f83\u7b2c\u4e00\u4e2a\u4f4d\u7f6e\u3002<\/p>\n\n\n\n
    \u6bd4\u5982\uff1a<\/p>\n\n\n\n
    (0, \"g\") < (1, \"S\")\n<\/code><\/pre>\n\n\n\n
    \u7ed3\u679c\u662f True<\/code>\uff0c\u56e0\u4e3a\uff1a<\/p>\n\n\n\n
    0 < 1\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\u5c0f\u5199\u5b57\u6bcd\u4f1a\u6392\u5728\u5927\u5199\u5b57\u6bcd\u524d\u9762\u3002<\/p>\n\n\n\n
    \u518d\u6bd4\u5982\uff1a<\/p>\n\n\n\n
    (2, \"1\") < (3, \"2\")\n<\/code><\/pre>\n\n\n\n
    \u7ed3\u679c\u4e5f\u662f True<\/code>\uff0c\u56e0\u4e3a\uff1a<\/p>\n\n\n\n
    2 < 3\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\u5947\u6570\u6570\u5b57\u4f1a\u6392\u5728\u5076\u6570\u6570\u5b57\u524d\u9762\u3002<\/p>\n\n\n\n
    \u5982\u679c\u7b2c\u4e00\u4e2a\u4f4d\u7f6e\u4e00\u6837\uff0c\u5c31\u7ee7\u7eed\u6bd4\u8f83\u7b2c\u4e8c\u4e2a\u4f4d\u7f6e\u3002<\/p>\n\n\n\n
    \u6bd4\u5982\uff1a<\/p>\n\n\n\n
    (0, \"g\") < (0, \"i\")\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e00\u4e2a\u4f4d\u7f6e\u90fd\u662f 0<\/code>\uff0c\u8bf4\u660e\u5b83\u4eec\u90fd\u662f\u5c0f\u5199\u5b57\u6bcd\u3002<\/p>\n\n\n\n
    \u4e8e\u662f Python \u7ee7\u7eed\u6bd4\u8f83\u7b2c\u4e8c\u4e2a\u4f4d\u7f6e\uff1a<\/p>\n\n\n\n
    \"g\" < \"i\"\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5 \"g\"<\/code> \u6392\u5728 \"i\"<\/code> \u524d\u9762\u3002<\/p>\n\n\n\n
    \u56e0\u6b64\uff1a<\/p>\n\n\n\n
    return (0, ch)\n<\/code><\/pre>\n\n\n\n
    \u53ef\u4ee5\u7406\u89e3\u6210\uff1a<\/p>\n\n\n\n
    \u5148\u6309\u7c7b\u522b\u6392\uff0c\u518d\u6309\u5b57\u7b26\u672c\u8eab\u6392\u3002\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u8fd9\u9053\u9898\u91cc\u7684\u5206\u7c7b\u7f16\u53f7<\/h2>\n\n\n\n
    \u6211\u4eec\u4eba\u4e3a\u89c4\u5b9a\uff1a<\/p>\n\n\n\n
    0 \u8868\u793a\u5c0f\u5199\u5b57\u6bcd\n1 \u8868\u793a\u5927\u5199\u5b57\u6bcd\n2 \u8868\u793a\u5947\u6570\u6570\u5b57\n3 \u8868\u793a\u5076\u6570\u6570\u5b57\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\uff1a<\/p>\n\n\n\n
    def sort_key(ch):\n    if ch.islower():\n        return (0, ch)\n    elif ch.isupper():\n        return (1, ch)\n    elif int(ch) % 2 == 1:\n        return (2, ch)\n    else:\n        return (3, ch)\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u6bb5\u4ee3\u7801\u5176\u5b9e\u662f\u5728\u544a\u8bc9 Python\uff1a<\/p>\n\n\n\n
    \u5982\u679c ch \u662f\u5c0f\u5199\u5b57\u6bcd\uff0c\u5c31\u8ba9\u5b83\u6392\u5728\u7b2c 0 \u7ec4\n\u5982\u679c ch \u662f\u5927\u5199\u5b57\u6bcd\uff0c\u5c31\u8ba9\u5b83\u6392\u5728\u7b2c 1 \u7ec4\n\u5982\u679c ch \u662f\u5947\u6570\u6570\u5b57\uff0c\u5c31\u8ba9\u5b83\u6392\u5728\u7b2c 2 \u7ec4\n\u5426\u5219\u5c31\u662f\u5076\u6570\u6570\u5b57\uff0c\u8ba9\u5b83\u6392\u5728\u7b2c 3 \u7ec4\n<\/code><\/pre>\n\n\n\n
    \u56e0\u4e3a\u6570\u5b57\u8d8a\u5c0f\uff0c\u6392\u5e8f\u8d8a\u9760\u524d\uff0c\u6240\u4ee5\u6700\u7ec8\u987a\u5e8f\u5c31\u662f\uff1a<\/p>\n\n\n\n
    \u5c0f\u5199\u5b57\u6bcd -> \u5927\u5199\u5b57\u6bcd -> \u5947\u6570\u6570\u5b57 -> \u5076\u6570\u6570\u5b57\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u4e00\u4e2a\u66f4\u5c0f\u7684\u4f8b\u5b50<\/h2>\n\n\n\n
    \u5148\u770b\u7b80\u5355\u5b57\u7b26\u4e32\uff1a<\/p>\n\n\n\n
    s = \"bA1a2\"\n\ndef sort_key(ch):\n    if ch.islower():\n        return (0, ch)\n    elif ch.isupper():\n        return (1, ch)\n    elif int(ch) % 2 == 1:\n        return (2, ch)\n    else:\n        return (3, ch)\n\nprint(sorted(s, key=sort_key))\n<\/code><\/pre>\n\n\n\n
    \u6bcf\u4e2a\u5b57\u7b26\u5bf9\u5e94\u7684\u6392\u5e8f\u4f9d\u636e\u662f\uff1a<\/p>\n\n\n\n
    \"b\" -> (0, \"b\")\n\"A\" -> (1, \"A\")\n\"1\" -> (2, \"1\")\n\"a\" -> (0, \"a\")\n\"2\" -> (3, \"2\")\n<\/code><\/pre>\n\n\n\n
    \u6392\u5e8f\u540e\uff1a<\/p>\n\n\n\n
    \"a\" -> (0, \"a\")\n\"b\" -> (0, \"b\")\n\"A\" -> (1, \"A\")\n\"1\" -> (2, \"1\")\n\"2\" -> (3, \"2\")\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\u7ed3\u679c\u662f\uff1a<\/p>\n\n\n\n
    ['a', 'b', 'A', '1', '2']\n<\/code><\/pre>\n\n\n\n
    \u5982\u679c\u8981\u8f93\u51fa\u5b57\u7b26\u4e32\uff0c\u8fd8\u8981\u7528\uff1a<\/p>\n\n\n\n
    \"\".join(sorted(s, key=sort_key))\n<\/code><\/pre>\n\n\n\n
    \u6700\u7ec8\u8f93\u51fa\uff1a<\/p>\n\n\n\n
    abA12\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    key=sort_key \u4e3a\u4ec0\u4e48\u4e0d\u5199\u6210 key=sort_key()\uff1f<\/h2>\n\n\n\n
    \u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u70b9\u3002<\/p>\n\n\n\n
    \u6b63\u786e\u5199\u6cd5\u662f\uff1a<\/p>\n\n\n\n
    sorted(s, key=sort_key)\n<\/code><\/pre>\n\n\n\n
    \u4e0d\u662f\uff1a<\/p>\n\n\n\n
    sorted(s, key=sort_key())\n<\/code><\/pre>\n\n\n\n
    \u539f\u56e0\u662f\uff1a<\/p>\n\n\n\n
    key=sort_key\n<\/code><\/pre>\n\n\n\n
    \u8868\u793a\u628a\u51fd\u6570\u672c\u8eab\u4ea4\u7ed9 sorted()<\/code>\u3002<\/p>\n\n\n\n
    \u7136\u540e sorted()<\/code> \u4f1a\u5728\u6392\u5e8f\u8fc7\u7a0b\u4e2d\uff0c\u81ea\u5df1\u62ff\u6bcf\u4e2a\u5b57\u7b26\u53bb\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n\n\n\n
    \u4e5f\u5c31\u662f Python \u5185\u90e8\u4f1a\u505a\u7c7b\u4f3c\u8fd9\u6837\u7684\u4e8b\u60c5\uff1a<\/p>\n\n\n\n
    sort_key(\"S\")\nsort_key(\"o\")\nsort_key(\"r\")\nsort_key(\"1\")\n<\/code><\/pre>\n\n\n\n
    \u800c\u5982\u679c\u4f60\u5199\uff1a<\/p>\n\n\n\n
    key=sort_key()\n<\/code><\/pre>\n\n\n\n
    \u610f\u601d\u5c31\u53d8\u6210\uff1a<\/p>\n\n\n\n
    \u73b0\u5728\u7acb\u523b\u8c03\u7528 sort_key \u51fd\u6570\n<\/code><\/pre>\n\n\n\n
    \u53ef\u662f sort_key(ch)<\/code> \u9700\u8981\u4e00\u4e2a\u53c2\u6570 ch<\/code>\uff0c\u4f60\u6ca1\u6709\u7ed9\u5b83\u53c2\u6570\uff0c\u6240\u4ee5\u4f1a\u62a5\u9519\u3002<\/p>\n\n\n\n
    \u6240\u4ee5\u8981\u8bb0\u4f4f\uff1a<\/p>\n\n\n\n
    key=\u51fd\u6570\u540d\n<\/code><\/pre>\n\n\n\n
    \u610f\u601d\u662f\uff1a<\/p>\n\n\n\n
    \u628a\u8fd9\u4e2a\u51fd\u6570\u4ea4\u7ed9 sorted\uff0c\u8ba9 sorted \u81ea\u5df1\u53bb\u8c03\u7528\u5b83\u3002\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u5b8c\u6574\u4ee3\u7801\u518d\u770b\u4e00\u904d<\/h2>\n\n\n\n
    s = input()\n\ndef sort_key(ch):\n    if ch.islower():\n        return (0, ch)\n    elif ch.isupper():\n        return (1, ch)\n    elif int(ch) % 2 == 1:\n        return (2, ch)\n    else:\n        return (3, ch)\n\nprint(\"\".join(sorted(s, key=sort_key)))\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u53e5\uff1a<\/p>\n\n\n\n
    sorted(s, key=sort_key)\n<\/code><\/pre>\n\n\n\n
    \u53ef\u4ee5\u7ffb\u8bd1\u6210\uff1a<\/p>\n\n\n\n
    \u5bf9 s \u91cc\u9762\u7684\u5b57\u7b26\u6392\u5e8f\uff1b\n\u6392\u5e8f\u65f6\uff0c\u6bcf\u4e2a\u5b57\u7b26\u5148\u4ea4\u7ed9 sort_key\uff1b\nsort_key \u8fd4\u56de\u7684\u5143\u7ec4\u5c31\u662f\u6392\u5e8f\u4f9d\u636e\u3002\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u4f60\u53ef\u4ee5\u8fd9\u6837\u8bb0<\/h2>\n\n\n\n
    key<\/code> \u53c2\u6570\u7684\u6838\u5fc3\u8bb0\u6cd5\u662f\uff1a<\/p>\n\n\n\n
    key \u7528\u6765\u6307\u5b9a\u201c\u6309\u4ec0\u4e48\u6392\u5e8f\u201d\u3002\n<\/code><\/pre>\n\n\n\n
    \u666e\u901a\u6392\u5e8f\uff1a<\/p>\n\n\n\n
    sorted(s)\n<\/code><\/pre>\n\n\n\n
    \u610f\u601d\u662f\uff1a<\/p>\n\n\n\n
    \u76f4\u63a5\u6309\u5143\u7d20\u672c\u8eab\u6392\u5e8f\u3002\n<\/code><\/pre>\n\n\n\n
    \u81ea\u5b9a\u4e49\u6392\u5e8f\uff1a<\/p>\n\n\n\n
    sorted(s, key=sort_key)\n<\/code><\/pre>\n\n\n\n
    \u610f\u601d\u662f\uff1a<\/p>\n\n\n\n
    \u5148\u7528 sort_key \u7ed9\u6bcf\u4e2a\u5143\u7d20\u751f\u6210\u6392\u5e8f\u4f9d\u636e\uff0c\n\u518d\u6309\u7167\u8fd9\u4e2a\u4f9d\u636e\u6392\u5e8f\u3002\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u5c0f\u7ec3\u4e60<\/h2>\n\n\n\n
    \u4e0d\u8981\u6025\u7740\u5199\u5b8c\u6574\u4ee3\u7801\uff0c\u5148\u5224\u65ad\u4e0b\u9762\u6bcf\u4e2a\u5b57\u7b26\u7684 sort_key<\/code> \u8fd4\u56de\u503c\u662f\u4ec0\u4e48\u3002<\/p>\n\n\n\n
    def sort_key(ch):\n    if ch.islower():\n        return (0, ch)\n    elif ch.isupper():\n        return (1, ch)\n    elif int(ch) % 2 == 1:\n        return (2, ch)\n    else:\n        return (3, ch)\n<\/code><\/pre>\n\n\n\n
    \u8bf7\u4f60\u5199\u51fa\u4e0b\u9762\u51e0\u4e2a\u5b57\u7b26\u5bf9\u5e94\u7684\u8fd4\u56de\u503c\uff1a<\/p>\n\n\n\n
    \"a\"\n\"B\"\n\"7\"\n\"8\"\n<\/code><\/pre>\n\n\n\n
    \u63d0\u793a\uff1a<\/p>\n\n\n\n
    \u5148\u5224\u65ad\u5b83\u5c5e\u4e8e\u54ea\u4e00\u7c7b\uff0c\u518d\u5199\u51fa\u5bf9\u5e94\u7684\u7f16\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u8fd9\u9053\u9898\u7684\u672c\u8d28\uff1a\u81ea\u5b9a\u4e49\u6392\u5e8f \u8fd9\u9053\u9898\u4e0d\u662f\u666e\u901a\u7684\u201c\u6309\u5b57\u6bcd\u8868\u6392\u5e8f\u201d\uff0c\u800c\u662f\u8981\u6c42\u4f60\u6309\u7167\u9898\u76ee\u7ed9\u5b9a\u7684\u7279\u6b8a\u89c4\u5219\u6392\u5e8f\u5b57\u7b26\u4e32 S\u3002  […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-2254","post","type-post","status-publish","format-standard","hentry","category-text"],"_links":{"self":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=2254"}],"version-history":[{"count":2,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2254\/revisions"}],"predecessor-version":[{"id":2258,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2254\/revisions\/2258"}],"wp:attachment":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=2254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=2254"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=2254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}