{"id":945358,"date":"2024-12-26T23:25:06","date_gmt":"2024-12-26T15:25:06","guid":{"rendered":""},"modified":"2024-12-26T23:25:07","modified_gmt":"2024-12-26T15:25:07","slug":"python%e5%a6%82%e4%bd%95%e6%b1%82%e6%ac%a1%e6%96%b9","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/945358.html","title":{"rendered":"python\u5982\u4f55\u6c42\u6b21\u65b9"},"content":{"rendered":"

\"python\u5982\u4f55\u6c42\u6b21\u65b9\"<\/p>\n

\u5728Python\u4e2d\uff0c\u6c42\u6b21\u65b9\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5e38\u7528\u7684\u5305\u62ec\u4f7f\u7528\u5e42\u8fd0\u7b97\u7b26<\/strong><\/code>\u3001pow()<\/code>\u51fd\u6570\u548cmath.pow()<\/code>\u51fd\u6570\u3002\u5176\u4e2d\uff0c\u5e42\u8fd0\u7b97\u7b26<\/strong><\/code>\u662f\u6700\u5e38\u7528\u548c\u76f4\u89c2\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u8bed\u6cd5\u7b80\u5355\u3001\u901f\u5ea6\u5feb\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e09\u79cd\u65b9\u6cd5\uff0c\u5e76\u63a2\u8ba8\u5b83\u4eec\u7684\u7528\u6cd5\u548c\u6027\u80fd\u5dee\u5f02\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528\u5e42\u8fd0\u7b97\u7b26 <\/code><\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u6700\u7b80\u5355\u548c\u76f4\u63a5\u7684\u65b9\u5f0f\u6765\u8ba1\u7b97\u6b21\u65b9\u662f\u4f7f\u7528\u5e42\u8fd0\u7b97\u7b26<\/code>\u3002\u8fd9\u4e00\u64cd\u4f5c\u7b26\u8ba9\u4ee3\u7801\u6e05\u6670\u6613\u8bfb\uff0c\u5e76\u4e14\u5728\u6027\u80fd\u4e0a\u4e5f\u975e\u5e38\u9ad8\u6548\u3002<\/p>\n<\/p>\n

    \n
  1. \n

    \u57fa\u7840\u4f7f\u7528<\/strong><\/p>\n<\/p>\n

    \u5e42\u8fd0\u7b97\u7b26<strong><\/code>\u7528\u4e8e\u8ba1\u7b97\u4e00\u4e2a\u6570\u7684\u5e42\u6b21\uff0c\u5373x<\/strong>y<\/code>\u8868\u793ax\u7684y\u6b21\u65b9\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

    result = 2  3<\/p>\n
    print(result)  # \u8f93\u51fa\u4e3a8<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c2<\/code>\u662f\u5e95\u6570\uff0c3<\/code>\u662f\u6307\u6570\uff0c23<\/code>\u8ba1\u7b97\u7ed3\u679c\u4e3a8<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
  2. \n
    \u8d1f\u6307\u6570<\/strong><\/p>\n<\/p>\n
    <\/code>\u64cd\u4f5c\u7b26\u540c\u6837\u652f\u6301\u8d1f\u6307\u6570\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u7ed3\u679c\u662f\u5e95\u6570\u7684\u5012\u6570\u7684\u6307\u6570\u6b21\u65b9\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
    result = 2  -3<\/p>\n
    print(result)  # \u8f93\u51fa\u4e3a0.125<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u8fd9\u91cc2<strong>-3<\/code>\u7b49\u4e8e1\/(2<\/strong>3)<\/code>\uff0c\u56e0\u6b64\u7ed3\u679c\u4e3a0.125<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
  3. \n
    \u6d6e\u70b9\u6307\u6570<\/strong><\/p>\n<\/p>\n
    <\/code>\u64cd\u4f5c\u7b26\u4e5f\u53ef\u4ee5\u7528\u4e8e\u6d6e\u70b9\u6307\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
    result = 9  0.5<\/p>\n
    print(result)  # \u8f93\u51fa\u4e3a3.0<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u8fd9\u8868\u793a\u8ba1\u7b979\u7684\u5e73\u65b9\u6839\uff0c\u7ed3\u679c\u662f3.0<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e8c\u3001\u4f7f\u7528 pow()<\/code> \u51fd\u6570<\/p>\n<\/p>\n
    Python\u5185\u7f6e\u7684pow()<\/code>\u51fd\u6570\u662f\u53e6\u4e00\u79cd\u8ba1\u7b97\u5e42\u7684\u65b9\u6cd5\u3002\u8be5\u51fd\u6570\u63d0\u4f9b\u4e86\u4e00\u4e2a\u66f4\u7075\u6d3b\u7684\u63a5\u53e3\uff0c\u540c\u65f6\u652f\u6301\u6a21\u8fd0\u7b97\u3002<\/p>\n<\/p>\n
      \n
    1. \n
      \u57fa\u7840\u7528\u6cd5<\/strong><\/p>\n<\/p>\n
      pow()<\/code>\u51fd\u6570\u7684\u57fa\u672c\u7528\u6cd5\u662fpow(base, exp)<\/code>\uff0c\u4e0ebaseexp<\/code>\u7b49\u6548\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      result = pow(2, 3)<\/p>\n
      print(result)  # \u8f93\u51fa\u4e3a8<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u8fd9\u662f\u4e0e\u5e42\u8fd0\u7b97\u7b26<\/code>\u7684\u529f\u80fd\u4e00\u6837\u7684\u3002<\/p>\n<\/p>\n<\/li>\n
    2. \n
      \u4f7f\u7528\u6a21\u8fd0\u7b97<\/strong><\/p>\n<\/p>\n
      pow()<\/code>\u51fd\u6570\u7684\u4e00\u4e2a\u5f3a\u5927\u7279\u6027\u662f\u652f\u6301\u4e09\u53c2\u6570\u8c03\u7528\uff1apow(base, exp, mod)<\/code>\uff0c\u8fd9\u5c06\u8ba1\u7b97(baseexp) % mod<\/code>\u3002\u8fd9\u79cd\u7528\u6cd5\u5728\u6d89\u53ca\u5927\u6570\u8ba1\u7b97\u548c\u52a0\u5bc6\u7b97\u6cd5\u65f6\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      result = pow(2, 3, 5)<\/p>\n
      print(result)  # \u8f93\u51fa\u4e3a3<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u8fd9\u8ba1\u7b97\u4e86(23) % 5<\/code>\uff0c\u7ed3\u679c\u4e3a8 % 5<\/code>\u53733<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
      \u4e09\u3001\u4f7f\u7528 math.pow()<\/code> \u51fd\u6570<\/p>\n<\/p>\n
      Python\u7684math<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86math.pow()<\/code>\u51fd\u6570\u6765\u8ba1\u7b97\u5e42\uff0c\u4f46\u5b83\u603b\u662f\u8fd4\u56de\u6d6e\u70b9\u6570\u3002<\/p>\n<\/p>\n
        \n
      1. \n
        \u57fa\u7840\u7528\u6cd5<\/strong><\/p>\n<\/p>\n
        math.pow()<\/code>\u51fd\u6570\u7684\u7528\u6cd5\u662fmath.pow(x, y)<\/code>\uff0c\u7528\u4e8e\u8ba1\u7b97x\u7684y\u6b21\u65b9\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
        import math<\/p>\n
        result = math.pow(2, 3)<\/p>\n
        print(result)  # \u8f93\u51fa\u4e3a8.0<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u6ce8\u610f\uff0c\u7ed3\u679c\u662f\u6d6e\u70b9\u65708.0<\/code>\uff0c\u5373\u4f7f\u5e95\u6570\u548c\u6307\u6570\u90fd\u662f\u6574\u6570\u3002<\/p>\n<\/p>\n<\/li>\n
      2. \n
        \u4e0e\u5176\u4ed6\u65b9\u6cd5\u7684\u5dee\u5f02<\/strong><\/p>\n<\/p>\n
        \u4e0e<strong><\/code>\u548cpow()<\/code>\u4e0d\u540c\uff0cmath.pow()<\/code>\u7684\u8ba1\u7b97\u7ed3\u679c\u603b\u662f\u4e00\u4e2a\u6d6e\u70b9\u6570\uff0c\u56e0\u6b64\u5728\u9700\u8981\u7cbe\u786e\u6574\u6570\u7ed3\u679c\u7684\u573a\u666f\u4e0b\uff0c\u4f7f\u7528<\/strong><\/code>\u6216pow()<\/code>\u66f4\u4e3a\u5408\u9002\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
        \u56db\u3001\u6027\u80fd\u6bd4\u8f83<\/p>\n<\/p>\n
        \u5728\u6027\u80fd\u65b9\u9762\uff0c<strong><\/code>\u8fd0\u7b97\u7b26\u901a\u5e38\u6bd4pow()<\/code>\u51fd\u6570\u66f4\u5feb\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u7b80\u5355\u7684\u6574\u6570\u5e42\u65f6\u3002\u8fd9\u662f\u56e0\u4e3a<\/strong><\/code>\u662fPython\u7684\u5185\u7f6e\u8fd0\u7b97\u7b26\uff0c\u7ecf\u8fc7\u9ad8\u5ea6\u4f18\u5316\u3002\u800cpow()<\/code>\u51fd\u6570\u867d\u7136\u7a0d\u6162\uff0c\u4f46\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u529f\u80fd\uff0c\u5982\u6a21\u8fd0\u7b97\u3002math.pow()<\/code>\u7531\u4e8e\u603b\u662f\u8fd4\u56de\u6d6e\u70b9\u6570\uff0c\u901a\u5e38\u7528\u4e8e\u9700\u8981\u6d6e\u70b9\u8fd0\u7b97\u7684\u573a\u5408\u3002<\/p>\n<\/p>\n
          \n
        1. \n
          \u6574\u6570\u5e42<\/strong><\/p>\n<\/p>\n
          \u5bf9\u4e8e\u7b80\u5355\u7684\u6574\u6570\u5e42\u8ba1\u7b97\uff0c<\/code>\u8fd0\u7b97\u7b26\u662f\u6700\u5feb\u7684\u9009\u62e9\u3002<\/p>\n<\/p>\n<\/li>\n
        2. \n
          \u5e26\u6a21\u8fd0\u7b97<\/strong><\/p>\n<\/p>\n
          \u5982\u679c\u9700\u8981\u6a21\u8fd0\u7b97\uff0cpow(base, exp, mod)<\/code>\u63d0\u4f9b\u4e86\u6700\u4f73\u6027\u80fd\u548c\u7b80\u6d01\u6027\u3002<\/p>\n<\/p>\n<\/li>\n
        3. \n
          \u6d6e\u70b9\u5e42<\/strong><\/p>\n<\/p>\n
          \u5bf9\u4e8e\u9700\u8981\u6d6e\u70b9\u7ed3\u679c\u7684\u5e42\u8fd0\u7b97\uff0cmath.pow()<\/code>\u662f\u5408\u9002\u7684\u9009\u62e9\uff0c\u4f46\u8981\u6ce8\u610f\u7ed3\u679c\u7684\u7cbe\u5ea6\u95ee\u9898\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
          \u4e94\u3001\u5e94\u7528\u573a\u666f<\/p>\n<\/p>\n
          \u5e42\u8fd0\u7b97\u5728\u8bb8\u591a\u6570\u5b66\u548c\u79d1\u5b66\u8ba1\u7b97\u4e2d\u5e7f\u6cdb\u5e94\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u573a\u666f\uff1a<\/p>\n<\/p>\n
            \n
          1. \n
            \u51e0\u4f55\u8ba1\u7b97<\/strong><\/p>\n<\/p>\n
            \u5728\u51e0\u4f55\u8ba1\u7b97\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u8ba1\u7b97\u9762\u79ef\u548c\u4f53\u79ef\uff0c\u8fd9\u4e9b\u90fd\u6d89\u53ca\u5e42\u8fd0\u7b97\u3002\u4f8b\u5982\uff0c\u7403\u7684\u4f53\u79ef\u516c\u5f0f\u4e3aV = 4\/3 * \u03c0 * r^3<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
          2. \n
            \u7edf\u8ba1\u5206\u6790<\/strong><\/p>\n<\/p>\n
            \u5728\u7edf\u8ba1\u5206\u6790\u4e2d\uff0c\u6807\u51c6\u5dee\u8ba1\u7b97\u6d89\u53ca\u5e73\u65b9\u8fd0\u7b97\uff0c\u800c\u76f8\u5173\u7cfb\u6570\u8ba1\u7b97\u5219\u53ef\u80fd\u6d89\u53ca\u66f4\u590d\u6742\u7684\u5e42\u8fd0\u7b97\u3002<\/p>\n<\/p>\n<\/li>\n
          3. \n
            \u91d1\u878d\u6a21\u578b<\/strong><\/p>\n<\/p>\n
            \u91d1\u878d\u6a21\u578b\u4e2d\uff0c\u590d\u5229\u8ba1\u7b97\u9700\u8981\u7528\u5230\u5e42\u8fd0\u7b97\u3002\u4f8b\u5982\uff0c\u8ba1\u7b97\u672c\u91d1P\u5728\u5229\u7387r\u548c\u65f6\u95f4t\u4e0b\u7684\u590d\u5229\u53ef\u4ee5\u8868\u793a\u4e3aA = P * (1 + r)^t<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
          4. \n
            \u7269\u7406\u6a21\u62df<\/strong><\/p>\n<\/p>\n
            \u7269\u7406\u6a21\u62df\u4e2d\uff0c\u5e42\u8fd0\u7b97\u88ab\u7528\u4e8e\u63cf\u8ff0\u81ea\u7136\u73b0\u8c61\uff0c\u5982\u5f15\u529b\u3001\u5149\u5f3a\u5ea6\u7b49\uff0c\u901a\u5e38\u91c7\u7528\u6307\u6570\u6a21\u578b\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
            \u603b\u4e4b\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u8fdb\u884c\u5e42\u8fd0\u7b97\uff0c\u6bcf\u79cd\u65b9\u6cd5\u6709\u5176\u7279\u5b9a\u7684\u7528\u6cd5\u548c\u4f18\u52bf\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u8ba1\u7b97\u6548\u7387\u548c\u4ee3\u7801\u53ef\u8bfb\u6027\u3002\u5728\u8fdb\u884c\u5e42\u8fd0\u7b97\u65f6\uff0c\u7406\u89e3\u6bcf\u79cd\u65b9\u6cd5\u7684\u7279\u6027\u548c\u9002\u7528\u573a\u5408\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<\/p>\n
            \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
             \u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528\u8fd0\u7b97\u7b26\u8ba1\u7b97\u6b21\u65b9\uff1f<\/strong>
            \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u53cc\u661f\u53f7\uff08\uff09\u8fd0\u7b97\u7b26\u6765\u8ba1\u7b97\u6b21\u65b9\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u8ba1\u7b972\u76843\u6b21\u65b9\uff0c\u53ef\u4ee5\u4f7f\u7528\u8868\u8fbe\u5f0f2 <\/strong> 3<\/code>\uff0c\u7ed3\u679c\u5c06\u8fd4\u56de8\u3002\u8fd9\u662f\u4e00\u79cd\u7b80\u5355\u4e14\u76f4\u89c2\u7684\u65b9\u5f0f\u6765\u8fdb\u884c\u6307\u6570\u8fd0\u7b97\u3002<\/p>\n
            Python\u4e2d\u662f\u5426\u6709\u5185\u7f6e\u51fd\u6570\u53ef\u4ee5\u8ba1\u7b97\u6b21\u65b9\uff1f<\/strong>
            \u662f\u7684\uff0cPython\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5185\u7f6e\u7684pow()<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\u6b21\u65b9\u3002\u8fd9\u4e2a\u51fd\u6570\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff0c\u5206\u522b\u662f\u5e95\u6570\u548c\u6307\u6570\u3002\u4f8b\u5982\uff0cpow(2, 3)<\/code>\u5c06\u8fd4\u56de8\u3002\u6b64\u5916\uff0cpow()<\/code>\u51fd\u6570\u8fd8\u53ef\u4ee5\u63a5\u53d7\u7b2c\u4e09\u4e2a\u53c2\u6570\uff0c\u7528\u4e8e\u8ba1\u7b97\u6a21\u8fd0\u7b97\uff0c\u4f8b\u5982pow(2, 3, 3)<\/code>\u5c06\u8fd4\u56de2\uff0c\u56e0\u4e3a8\u6a213\u7b49\u4e8e2\u3002<\/p>\n
            \u5728Python\u4e2d\uff0c\u5982\u4f55\u5904\u7406\u8d1f\u6570\u548c\u5c0f\u6570\u7684\u6b21\u65b9\u8fd0\u7b97\uff1f<\/strong>
            Python\u80fd\u591f\u5904\u7406\u8d1f\u6570\u548c\u5c0f\u6570\u7684\u6b21\u65b9\u8fd0\u7b97\u3002\u5982\u679c\u5e95\u6570\u662f\u8d1f\u6570\uff0c\u7ed3\u679c\u5c06\u6839\u636e\u6307\u6570\u7684\u5947\u5076\u6027\u800c\u53d8\u5316\u3002\u4f8b\u5982\uff0c(-2) <strong> 3<\/code>\u7684\u7ed3\u679c\u4e3a-8\uff0c\u800c(-2) <\/strong> 2<\/code>\u7684\u7ed3\u679c\u4e3a4\u3002\u5982\u679c\u5e95\u6570\u662f\u5c0f\u6570\uff0c\u4f8b\u59821.5 ** 2<\/code>\uff0c\u7ed3\u679c\u5c06\u662f2.25\u3002\u53ef\u4ee5\u653e\u5fc3\u5730\u4f7f\u7528Python\u8fdb\u884c\u5404\u79cd\u7c7b\u578b\u7684\u6b21\u65b9\u8fd0\u7b97\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u6c42\u6b21\u65b9\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5e38\u7528\u7684\u5305\u62ec\u4f7f\u7528\u5e42\u8fd0\u7b97\u7b26<\/strong>\u3001pow()\u51fd\u6570\u548cm […]","protected":false},"author":3,"featured_media":945360,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/945358"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=945358"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/945358\/revisions"}],"predecessor-version":[{"id":945361,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/945358\/revisions\/945361"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/945360"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=945358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=945358"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=945358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}