{"id":2244,"date":"2026-04-29T17:58:46","date_gmt":"2026-04-29T09:58:46","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=2244"},"modified":"2026-04-29T18:04:49","modified_gmt":"2026-04-29T10:04:49","slug":"%e6%8a%8a%e6%95%b0%e7%bb%84%e5%8f%8d%e8%bf%87%e6%9d%a5%ef%bc%8c%e5%b9%b6%e4%b8%94%e8%ae%a9%e5%85%83%e7%b4%a0%e7%b1%bb%e5%9e%8b%e5%8f%98%e6%88%90-float","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/04\/29\/%e6%8a%8a%e6%95%b0%e7%bb%84%e5%8f%8d%e8%bf%87%e6%9d%a5%ef%bc%8c%e5%b9%b6%e4%b8%94%e8%ae%a9%e5%85%83%e7%b4%a0%e7%b1%bb%e5%9e%8b%e5%8f%98%e6%88%90-float\/preluna\/text\/","title":{"rendered":"\u628a\u6570\u7ec4\u53cd\u8fc7\u6765\uff0c\u5e76\u4e14\u8ba9\u5143\u7d20\u7c7b\u578b\u53d8\u6210 float"},"content":{"rendered":"\n
\"\"<\/div><\/figure>\n\n\n\n

\u8fd9\u9053\u9898\u8003\u4ec0\u4e48\uff1f<\/h2>\n\n\n\n

\u8fd9\u9053\u9898\u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u4e0d\u662f\u8003\u590d\u6742\u7684 NumPy \u64cd\u4f5c\uff0c\u800c\u662f\u8003\u4f60\u80fd\u4e0d\u80fd\u5b8c\u6210\u8fd9 3 \u6b65\uff1a<\/p>\n\n\n\n

    \n
  1. \u8bfb\u5165\u4e00\u884c\u6570\u5b57\uff1b<\/li>\n\n\n\n
  2. \u628a\u8fd9\u4e9b\u6570\u5b57\u53d8\u6210\u4e00\u4e2a NumPy \u6570\u7ec4\uff1b<\/li>\n\n\n\n
  3. \u628a\u6570\u7ec4\u53cd\u8fc7\u6765\uff0c\u5e76\u4e14\u8ba9\u5143\u7d20\u7c7b\u578b\u53d8\u6210 float<\/code>\u3002<\/li>\n<\/ol>\n\n\n\n

    \u9898\u76ee\u8981\u6c42\u8f93\u51fa\uff1a<\/p>\n\n\n\n

    [-10.  -8.   4.   3.   2.   1.]\n<\/code><\/pre>\n\n\n\n
    \u6ce8\u610f\u8fd9\u91cc\u4e0d\u662f\u6574\u6570\uff0c\u800c\u662f\u6d6e\u70b9\u6570\uff0c\u6240\u4ee5\u4f1a\u663e\u793a\u6210 -10.<\/code>\u3001-8.<\/code>\u30014.<\/code> \u8fd9\u79cd\u5f62\u5f0f\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u57fa\u672c\u601d\u8def<\/h2>\n\n\n\n
    \u8f93\u5165\u662f\uff1a<\/p>\n\n\n\n
    1 2 3 4 -8 -10\n<\/code><\/pre>\n\n\n\n
    \u7a0b\u5e8f\u8bfb\u8fdb\u6765\u4ee5\u540e\uff0c\u5148\u5f97\u5230\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a<\/p>\n\n\n\n
    \"1 2 3 4 -8 -10\"\n<\/code><\/pre>\n\n\n\n
    \u7136\u540e\u7528 split()<\/code> \u6309\u7a7a\u683c\u5207\u5f00\uff0c\u5f97\u5230\u5217\u8868\uff1a<\/p>\n\n\n\n
    ['1', '2', '3', '4', '-8', '-10']\n<\/code><\/pre>\n\n\n\n
    \u6ce8\u610f\uff1a\u8fd9\u91cc\u6bcf\u4e2a\u5143\u7d20\u8fd8\u662f\u5b57\u7b26\u4e32\uff0c\u4e0d\u662f\u6570\u5b57\u3002<\/p>\n\n\n\n
    \u63a5\u7740\u628a\u5b83\u8f6c\u6362\u6210 NumPy \u6570\u7ec4\uff0c\u5e76\u6307\u5b9a\u7c7b\u578b\u4e3a float<\/code>\uff1a<\/p>\n\n\n\n
    numpy.array(['1', '2', '3', '4', '-8', '-10'], float)\n<\/code><\/pre>\n\n\n\n
    \u5f97\u5230\uff1a<\/p>\n\n\n\n
    [  1.   2.   3.   4.  -8. -10.]\n<\/code><\/pre>\n\n\n\n
    \u6700\u540e\u53cd\u8f6c\uff1a<\/p>\n\n\n\n
    [-10.  -8.   4.   3.   2.   1.]\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u63a8\u8350\u5199\u6cd5<\/h2>\n\n\n\n
    \u5982\u679c\u9898\u76ee\u7ed9\u4e86\u51fd\u6570\u6a21\u677f\uff0c\u901a\u5e38\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/p>\n\n\n\n
    import numpy\n\ndef arrays(arr):\n    return numpy.array(arr[::-1], float)\n\narr = input().strip().split()\nresult = arrays(arr)\nprint(result)\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u6bcf\u4e00\u884c\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h2>\n\n\n\n
    1. \u5bfc\u5165 NumPy<\/h3>\n\n\n\n
    import numpy\n<\/code><\/pre>\n\n\n\n
    \u8868\u793a\u6211\u4eec\u8981\u4f7f\u7528 NumPy \u8fd9\u4e2a\u5e93\u3002<\/p>\n\n\n\n
    \n\n\n\n
    2. \u5b9a\u4e49\u51fd\u6570<\/h3>\n\n\n\n
    def arrays(arr):\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u91cc\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570\uff0c\u51fd\u6570\u540d\u53eb arrays<\/code>\u3002<\/p>\n\n\n\n
    \u5b83\u63a5\u6536\u4e00\u4e2a\u53c2\u6570 arr<\/code>\u3002<\/p>\n\n\n\n
    \u5728\u8fd9\u9053\u9898\u91cc\uff0carr<\/code> \u5927\u6982\u957f\u8fd9\u6837\uff1a<\/p>\n\n\n\n
    ['1', '2', '3', '4', '-8', '-10']\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    3. \u53cd\u8f6c\u5217\u8868<\/h3>\n\n\n\n
    arr[::-1]\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u662f Python \u7684\u5207\u7247\u5199\u6cd5\uff0c\u610f\u601d\u662f\uff1a\u4ece\u540e\u5f80\u524d\u53d6\u6240\u6709\u5143\u7d20\u3002<\/p>\n\n\n\n
    \u4f8b\u5982\uff1a<\/p>\n\n\n\n
    arr = ['1', '2', '3', '4', '-8', '-10']\nprint(arr[::-1])\n<\/code><\/pre>\n\n\n\n
    \u7ed3\u679c\u662f\uff1a<\/p>\n\n\n\n
    ['-10', '-8', '4', '3', '2', '1']\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u91cc\u7684\u6838\u5fc3\u662f [::-1]<\/code>\u3002<\/p>\n\n\n\n
    \u53ef\u4ee5\u5148\u8fd9\u6837\u7406\u89e3\uff1a<\/p>\n\n\n\n
    \u5217\u8868[::-1]\n<\/code><\/pre>\n\n\n\n
    \u610f\u601d\u5c31\u662f\uff1a<\/p>\n\n\n\n
    \u628a\u5217\u8868\u53cd\u8fc7\u6765\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    4. \u8f6c\u6210 NumPy \u6570\u7ec4\uff0c\u5e76\u6307\u5b9a float \u7c7b\u578b<\/h3>\n\n\n\n
    numpy.array(arr[::-1], float)\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u53e5\u505a\u4e86\u4e24\u4ef6\u4e8b\uff1a<\/p>\n\n\n\n
    \u7b2c\u4e00\uff0c\u628a\u53cd\u8f6c\u540e\u7684\u5217\u8868\u53d8\u6210 NumPy \u6570\u7ec4\u3002<\/p>\n\n\n\n
    \u7b2c\u4e8c\uff0c\u628a\u91cc\u9762\u7684\u5143\u7d20\u8f6c\u6362\u6210\u6d6e\u70b9\u6570 float<\/code>\u3002<\/p>\n\n\n\n
    \u6240\u4ee5\uff1a<\/p>\n\n\n\n
    ['-10', '-8', '4', '3', '2', '1']\n<\/code><\/pre>\n\n\n\n
    \u4f1a\u53d8\u6210\uff1a<\/p>\n\n\n\n
    [-10.  -8.   4.   3.   2.   1.]\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    5. \u8bfb\u53d6\u8f93\u5165<\/h3>\n\n\n\n
    arr = input().strip().split()\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u53e5\u4e5f\u505a\u4e86\u51e0\u4ef6\u4e8b\u3002<\/p>\n\n\n\n
    \u5047\u8bbe\u7528\u6237\u8f93\u5165\uff1a<\/p>\n\n\n\n
    1 2 3 4 -8 -10\n<\/code><\/pre>\n\n\n\n
    input()<\/code> \u5f97\u5230\u7684\u662f\u5b57\u7b26\u4e32\uff1a<\/p>\n\n\n\n
    \"1 2 3 4 -8 -10\"\n<\/code><\/pre>\n\n\n\n
    strip()<\/code> \u53bb\u6389\u5b57\u7b26\u4e32\u9996\u5c3e\u591a\u4f59\u7a7a\u683c\u3002<\/p>\n\n\n\n
    split()<\/code> \u6309\u7a7a\u683c\u5207\u5206\uff0c\u5f97\u5230\u5217\u8868\uff1a<\/p>\n\n\n\n
    ['1', '2', '3', '4', '-8', '-10']\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\u8fd9\u4e00\u884c\u6267\u884c\u5b8c\u540e\uff0carr<\/code> \u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u4ece\u601d\u8def\u5230\u4ee3\u7801<\/h2>\n\n\n\n
    \u9047\u5230\u8fd9\u79cd\u9898\uff0c\u5148\u4e0d\u8981\u6025\u7740\u5199\u4ee3\u7801\uff0c\u5148\u7528\u81ea\u7136\u8bed\u8a00\u60f3\u6e05\u695a\u6b65\u9aa4\u3002<\/p>\n\n\n\n
    \u9898\u76ee\u8bf4\uff1a<\/p>\n\n\n\n
    \n
    \u7ed9\u4f60\u4e00\u884c\u7a7a\u683c\u5206\u9694\u7684\u6570\u5b57\uff0c\u8f93\u51fa\u53cd\u8f6c\u540e\u7684 NumPy \u6570\u7ec4\uff0c\u5143\u7d20\u7c7b\u578b\u662f float\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u6211\u4eec\u53ef\u4ee5\u62c6\u6210\uff1a<\/p>\n\n\n\n
    \u7b2c\u4e00\u6b65\uff0c\u8bfb\u5165\u4e00\u884c\u5185\u5bb9\u3002<\/p>\n\n\n\n
    input()\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e8c\u6b65\uff0c\u628a\u8fd9\u4e00\u884c\u6309\u7a7a\u683c\u62c6\u6210\u5217\u8868\u3002<\/p>\n\n\n\n
    input().strip().split()\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e09\u6b65\uff0c\u628a\u5217\u8868\u53cd\u8f6c\u3002<\/p>\n\n\n\n
    arr[::-1]\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u56db\u6b65\uff0c\u628a\u53cd\u8f6c\u540e\u7684\u5217\u8868\u53d8\u6210 NumPy \u6570\u7ec4\uff0c\u5e76\u6307\u5b9a\u7c7b\u578b\u4e3a float<\/code>\u3002<\/p>\n\n\n\n
    numpy.array(arr[::-1], float)\n<\/code><\/pre>\n\n\n\n
    \u7b2c\u4e94\u6b65\uff0c\u6253\u5370\u7ed3\u679c\u3002<\/p>\n\n\n\n
    print(result)\n<\/code><\/pre>\n\n\n\n
    \u7ec4\u5408\u8d77\u6765\u5c31\u662f\uff1a<\/p>\n\n\n\n
    import numpy\n\ndef arrays(arr):\n    return numpy.array(arr[::-1], float)\n\narr = input().strip().split()\nresult = arrays(arr)\nprint(result)\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u4e5f\u53ef\u4ee5\u8fd9\u6837\u5199<\/h2>\n\n\n\n
    \u5982\u679c\u4e0d\u8003\u8651\u9898\u76ee\u6a21\u677f\uff0c\u6700\u7b80\u5199\u6cd5\u662f\uff1a<\/p>\n\n\n\n
    import numpy\n\narr = input().split()\narr = numpy.array(arr, float)\nprint(arr[::-1])\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u6bb5\u4ee3\u7801\u7684\u903b\u8f91\u662f\uff1a<\/p>\n\n\n\n
    \u5148\u628a\u8f93\u5165\u53d8\u6210 NumPy \u6570\u7ec4\uff0c\u518d\u53cd\u8f6c\u6570\u7ec4\u3002<\/p>\n\n\n\n
    \u548c\u524d\u9762\u90a3\u79cd\u5199\u6cd5\u76f8\u6bd4\uff0c\u533a\u522b\u662f\uff1a<\/p>\n\n\n\n
    numpy.array(arr[::-1], float)\n<\/code><\/pre>\n\n\n\n
    \u662f\u5148\u53cd\u8f6c\u5217\u8868\uff0c\u518d\u8f6c\u6210 NumPy \u6570\u7ec4\u3002<\/p>\n\n\n\n
    \u800c\uff1a<\/p>\n\n\n\n
    arr = numpy.array(arr, float)\nprint(arr[::-1])\n<\/code><\/pre>\n\n\n\n
    \u662f\u5148\u8f6c\u6210 NumPy \u6570\u7ec4\uff0c\u518d\u53cd\u8f6c\u6570\u7ec4\u3002<\/p>\n\n\n\n
    \u5bf9\u4e8e\u8fd9\u9053\u9898\u6765\u8bf4\uff0c\u4e24\u79cd\u90fd\u53ef\u4ee5\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u5e38\u89c1\u9519\u8bef<\/h2>\n\n\n\n
    \u9519\u8bef 1\uff1a\u5fd8\u8bb0\u6307\u5b9a float<\/code><\/h3>\n\n\n\n
    \u5982\u679c\u5199\u6210\uff1a<\/p>\n\n\n\n
    numpy.array(arr[::-1])\n<\/code><\/pre>\n\n\n\n
    \u5f97\u5230\u7684\u53ef\u80fd\u8fd8\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u6570\u7ec4\uff0c\u6216\u8005\u4e0d\u662f\u9898\u76ee\u8981\u6c42\u7684\u6d6e\u70b9\u6570\u7ec4\u3002<\/p>\n\n\n\n
    \u9898\u76ee\u660e\u786e\u8981\u6c42\uff1a<\/p>\n\n\n\n
    element type float\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\u8981\u5199\uff1a<\/p>\n\n\n\n
    numpy.array(arr[::-1], float)\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u9519\u8bef 2\uff1a\u4e0d\u7406\u89e3 input()<\/code> \u5f97\u5230\u7684\u662f\u5b57\u7b26\u4e32<\/h3>\n\n\n\n
    \u5f88\u591a\u521d\u5b66\u8005\u4f1a\u4ee5\u4e3a\u8f93\u5165\u7684 1 2 3<\/code> \u76f4\u63a5\u5c31\u662f\u6570\u5b57\u3002<\/p>\n\n\n\n
    \u5176\u5b9e\uff1a<\/p>\n\n\n\n
    input()\n<\/code><\/pre>\n\n\n\n
    \u5f97\u5230\u7684\u4e00\u5b9a\u662f\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n
    \u6240\u4ee5\u8f93\u5165\uff1a<\/p>\n\n\n\n
    1 2 3\n<\/code><\/pre>\n\n\n\n
    \u7a0b\u5e8f\u62ff\u5230\u7684\u662f\uff1a<\/p>\n\n\n\n
    \"1 2 3\"\n<\/code><\/pre>\n\n\n\n
    \u9700\u8981\u7528\uff1a<\/p>\n\n\n\n
    split()\n<\/code><\/pre>\n\n\n\n
    \u628a\u5b83\u5207\u5f00\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u9519\u8bef 3\uff1a\u628a [::-1]<\/code> \u5199\u9519<\/h3>\n\n\n\n
    \u53cd\u8f6c\u6574\u4e2a\u5217\u8868\u6216\u6570\u7ec4\uff0c\u5199\u6cd5\u662f\uff1a<\/p>\n\n\n\n
    arr[::-1]\n<\/code><\/pre>\n\n\n\n
    \u4e0d\u662f\uff1a<\/p>\n\n\n\n
    arr[-1]\n<\/code><\/pre>\n\n\n\n
    arr[-1]<\/code> \u53ea\u8868\u793a\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n\n\n\n
    \u4f8b\u5982\uff1a<\/p>\n\n\n\n
    arr = [1, 2, 3]\nprint(arr[-1])\n<\/code><\/pre>\n\n\n\n
    \u7ed3\u679c\u662f\uff1a<\/p>\n\n\n\n
    3\n<\/code><\/pre>\n\n\n\n
    \u800c\uff1a<\/p>\n\n\n\n
    print(arr[::-1])\n<\/code><\/pre>\n\n\n\n
    \u7ed3\u679c\u662f\uff1a<\/p>\n\n\n\n
    [3, 2, 1]\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u672c\u9898\u6700\u7ec8\u7b54\u6848<\/h2>\n\n\n\n
    import numpy\n\ndef arrays(arr):\n    return numpy.array(arr[::-1], float)\n\narr = input().strip().split()\nresult = arrays(arr)\nprint(result)\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u5c0f\u7ec3\u4e60<\/h2>\n\n\n\n
    \u9898\u76ee\uff1a\u8f93\u5165\u4e00\u884c\u7a7a\u683c\u5206\u9694\u7684\u6570\u5b57\uff0c\u628a\u5b83\u8f6c\u6362\u6210 NumPy \u6d6e\u70b9\u6570\u7ec4\u540e\uff0c\u8f93\u51fa\u539f\u6570\u7ec4\uff0c\u4e0d\u9700\u8981\u53cd\u8f6c\u3002<\/p>\n\n\n\n
    \u4f8b\u5982\u8f93\u5165\uff1a<\/p>\n\n\n\n
    3 5 7 9\n<\/code><\/pre>\n\n\n\n
    \u671f\u671b\u8f93\u51fa\u7c7b\u4f3c\uff1a<\/p>\n\n\n\n
    [3. 5. 7. 9.]\n<\/code><\/pre>\n\n\n\n
    \u63d0\u793a\uff1a\u8fd9\u6b21\u4e0d\u9700\u8981\u4f7f\u7528 [::-1]<\/code>\uff0c\u53ea\u9700\u8981\u5b8c\u6210\u201c\u8f93\u5165\u3001\u5207\u5206\u3001\u8f6c NumPy \u6570\u7ec4\u3001\u6307\u5b9a float\u3001\u6253\u5370\u201d\u8fd9\u51e0\u6b65\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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