{"id":1062616,"date":"2024-12-31T15:53:30","date_gmt":"2024-12-31T07:53:30","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1062616.html"},"modified":"2024-12-31T15:53:33","modified_gmt":"2024-12-31T07:53:33","slug":"python%e5%a6%82%e4%bd%95%e8%bf%94%e5%9b%9e%e5%88%97%e8%a1%a8%e7%9a%84%e6%9c%80%e5%a4%a7%e5%80%bc","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1062616.html","title":{"rendered":"python\u5982\u4f55\u8fd4\u56de\u5217\u8868\u7684\u6700\u5927\u503c"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/dd20f22f-fce1-4fd4-993c-2487f4430298.webp?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"python\u5982\u4f55\u8fd4\u56de\u5217\u8868\u7684\u6700\u5927\u503c\" \/><\/p>\n<p><p> <strong>Python \u8fd4\u56de\u5217\u8868\u7684\u6700\u5927\u503c<\/strong>\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff1a\u4f7f\u7528\u5185\u7f6e\u51fd\u6570<code>max()<\/code>\u3001\u4f7f\u7528\u5faa\u73af\u904d\u5386\u5217\u8868\u3001\u4f7f\u7528\u6392\u5e8f\u51fd\u6570<code>sorted()<\/code>\u3001\u4f7f\u7528\u5e93\u51fd\u6570\u5982<code>numpy<\/code>\u6216<code>pandas<\/code>\u3002\u5176\u4e2d\u6700\u5e38\u7528\u548c\u9ad8\u6548\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5185\u7f6e\u51fd\u6570<code>max()<\/code>\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u5bf9\u5185\u7f6e\u51fd\u6570<code>max()<\/code>\u8fdb\u884c\u8be6\u7ec6\u89e3\u91ca\u3002<\/p>\n<\/p>\n<p><p><strong>\u4e00\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570 <code>max()<\/code><\/strong><\/p>\n<\/p>\n<p><p>Python \u63d0\u4f9b\u4e86\u4e00\u4e2a\u7b80\u5355\u4e14\u76f4\u63a5\u7684\u65b9\u6cd5\u6765\u83b7\u53d6\u5217\u8868\u4e2d\u7684\u6700\u5927\u503c\uff0c\u5373\u4f7f\u7528\u5185\u7f6e\u51fd\u6570 <code>max()<\/code>\u3002\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u76f4\u63a5\u5e94\u7528\u4e8e\u5217\u8868\uff0c\u8fd4\u56de\u5176\u4e2d\u7684\u6700\u5927\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">numbers = [10, 20, 4, 45, 99]<\/p>\n<p>max_value = max(numbers)<\/p>\n<p>print(&quot;\u6700\u5927\u503c\u662f:&quot;, max_value)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u8be6\u7ec6\u89e3\u91ca\uff1a<\/strong><\/p>\n<\/p>\n<p><p><code>max()<\/code> \u662f\u4e00\u4e2a\u5185\u7f6e\u51fd\u6570\uff0c\u63a5\u53d7\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u5217\u8868\uff09\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u5176\u4e2d\u7684\u6700\u5927\u503c\u3002\u5b83\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3a O(n)\uff0c\u5176\u4e2d n \u662f\u5217\u8868\u7684\u957f\u5ea6\u3002\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u4ee5\u5728\u7ebf\u6027\u65f6\u95f4\u5185\u627e\u5230\u6700\u5927\u503c\uff0c\u975e\u5e38\u9ad8\u6548\u3002<\/p>\n<\/p>\n<p><p><strong>\u4e8c\u3001\u4f7f\u7528\u5faa\u73af\u904d\u5386\u5217\u8868<\/strong><\/p>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u5e0c\u671b\u624b\u52a8\u5b9e\u73b0\u627e\u5230\u6700\u5927\u503c\u7684\u529f\u80fd\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u7b97\u6cd5\u7684\u5de5\u4f5c\u539f\u7406\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u904d\u5386\u5217\u8868\u5e76\u6bd4\u8f83\u6bcf\u4e2a\u5143\u7d20\u6765\u627e\u5230\u6700\u5927\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">numbers = [10, 20, 4, 45, 99]<\/p>\n<p>max_value = numbers[0]<\/p>\n<p>for number in numbers:<\/p>\n<p>    if number &gt; max_value:<\/p>\n<p>        max_value = number<\/p>\n<p>print(&quot;\u6700\u5927\u503c\u662f:&quot;, max_value)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u4e09\u3001\u4f7f\u7528\u6392\u5e8f\u51fd\u6570 <code>sorted()<\/code><\/strong><\/p>\n<\/p>\n<p><p>\u867d\u7136\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u662f\u6700\u6709\u6548\u7684\uff0c\u4f46\u4f60\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\uff0c\u7136\u540e\u9009\u62e9\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u6765\u83b7\u5f97\u6700\u5927\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">numbers = [10, 20, 4, 45, 99]<\/p>\n<p>sorted_numbers = sorted(numbers)<\/p>\n<p>max_value = sorted_numbers[-1]<\/p>\n<p>print(&quot;\u6700\u5927\u503c\u662f:&quot;, max_value)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u56db\u3001\u4f7f\u7528\u5e93\u51fd\u6570\uff08\u5982 <code>numpy<\/code> \u6216 <code>pandas<\/code>\uff09<\/strong><\/p>\n<\/p>\n<p><p>\u5bf9\u4e8e\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u6216\u8fdb\u884c\u590d\u6742\u6570\u636e\u5206\u6790\uff0c\u4f7f\u7528\u79d1\u5b66\u8ba1\u7b97\u5e93\u5982 <code>numpy<\/code> \u6216\u6570\u636e\u5206\u6790\u5e93\u5982 <code>pandas<\/code> \u53ef\u80fd\u66f4\u4e3a\u5408\u9002\u3002\u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u51fd\u6570\u6765\u67e5\u627e\u6570\u7ec4\u6216\u6570\u636e\u6846\u4e2d\u7684\u6700\u5927\u503c\u3002<\/p>\n<\/p>\n<p><p>\u4f7f\u7528 <code>numpy<\/code>\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<p>numbers = np.array([10, 20, 4, 45, 99])<\/p>\n<p>max_value = np.max(numbers)<\/p>\n<p>print(&quot;\u6700\u5927\u503c\u662f:&quot;, max_value)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528 <code>pandas<\/code>\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<p>numbers = pd.Series([10, 20, 4, 45, 99])<\/p>\n<p>max_value = numbers.max()<\/p>\n<p>print(&quot;\u6700\u5927\u503c\u662f:&quot;, max_value)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u603b\u7ed3<\/strong><\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u4e0a\u8ff0\u51e0\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u627e\u5230 Python \u5217\u8868\u4e2d\u7684\u6700\u5927\u503c\u3002<strong>\u6700\u5e38\u7528\u4e14\u9ad8\u6548\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5185\u7f6e\u51fd\u6570 <code>max()<\/code><\/strong>\uff0c\u5b83\u76f4\u63a5\u4e14\u7b80\u6d01\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u624b\u52a8\u5b9e\u73b0\u548c\u4f7f\u7528\u6392\u5e8f\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u7b97\u6cd5\u7684\u57fa\u672c\u539f\u7406\u3002\u5bf9\u4e8e\u5927\u578b\u6570\u636e\u96c6\u6216\u590d\u6742\u7684\u5206\u6790\u4efb\u52a1\uff0c\u4f7f\u7528\u79d1\u5b66\u8ba1\u7b97\u5e93\u5982 <code>numpy<\/code> \u6216\u6570\u636e\u5206\u6790\u5e93\u5982 <code>pandas<\/code> \u5219\u66f4\u52a0\u9002\u5408\u3002\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u5e94\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u573a\u666f\u6765\u51b3\u5b9a\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u627e\u5230\u5217\u8868\u4e2d\u7684\u6700\u5927\u503c\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684<code>max()<\/code>\u51fd\u6570\u6765\u5feb\u901f\u627e\u5230\u5217\u8868\u7684\u6700\u5927\u503c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u5217\u8868<code>numbers = [1, 3, 5, 7, 9]<\/code>\uff0c\u53ef\u4ee5\u901a\u8fc7<code>max(numbers)<\/code>\u6765\u83b7\u53d6\u6700\u5927\u503c\uff0c\u8fd9\u5c06\u8fd4\u56de9\u3002\u8fd9\u4e2a\u65b9\u6cd5\u7b80\u5355\u800c\u9ad8\u6548\uff0c\u9002\u7528\u4e8e\u4efb\u4f55\u53ef\u6bd4\u8f83\u7684\u5143\u7d20\u7c7b\u578b\u3002<\/p>\n<p><strong>\u5982\u679c\u5217\u8868\u4e2d\u5305\u542b\u975e\u6570\u503c\u5143\u7d20\uff0c\u4f1a\u5f71\u54cd\u6700\u5927\u503c\u7684\u8ba1\u7b97\u5417\uff1f<\/strong><br \/>\u662f\u7684\uff0c\u5217\u8868\u4e2d\u5305\u542b\u975e\u6570\u503c\u5143\u7d20\u53ef\u80fd\u4f1a\u5bfc\u81f4<code>max()<\/code>\u51fd\u6570\u629b\u51fa\u5f02\u5e38\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u5728\u8c03\u7528<code>max()<\/code>\u4e4b\u524d\u8fc7\u6ee4\u6389\u975e\u6570\u503c\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u521b\u5efa\u4e00\u4e2a\u53ea\u5305\u542b\u6570\u503c\u7684\u5217\u8868\uff0c\u7136\u540e\u518d\u4f7f\u7528<code>max()<\/code>\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<code>max([x for x in my_list if isinstance(x, (int, float))])<\/code>\u3002<\/p>\n<p><strong>\u6709\u6ca1\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u627e\u5230\u5217\u8868\u7684\u6700\u5927\u503c\uff1f<\/strong><br \/>\u9664\u4e86\u4f7f\u7528<code>max()<\/code>\u51fd\u6570\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u904d\u5386\u5217\u8868\u6765\u627e\u5230\u6700\u5927\u503c\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u7406\u89e3\u7b97\u6cd5\u7684\u5b9e\u73b0\u8fc7\u7a0b\u3002\u53ef\u4ee5\u521d\u59cb\u5316\u4e00\u4e2a\u53d8\u91cf\u6765\u5b58\u50a8\u6700\u5927\u503c\uff0c\u7136\u540e\u9010\u4e2a\u6bd4\u8f83\u5217\u8868\u4e2d\u7684\u5143\u7d20\uff0c\u5e76\u66f4\u65b0\u6700\u5927\u503c\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">def find_maximum(lst):\n    max_value = lst[0]\n    for num in lst:\n        if num &gt; max_value:\n            max_value = num\n    return max_value\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u8f83\u4e3a\u590d\u6742\uff0c\u4f46\u5bf9\u4e8e\u5b66\u4e60\u57fa\u672c\u7684\u5faa\u73af\u548c\u6761\u4ef6\u5224\u65ad\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python \u8fd4\u56de\u5217\u8868\u7684\u6700\u5927\u503c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff1a\u4f7f\u7528\u5185\u7f6e\u51fd\u6570max()\u3001\u4f7f\u7528\u5faa\u73af\u904d\u5386\u5217\u8868\u3001\u4f7f\u7528\u6392\u5e8f\u51fd\u6570 [&hellip;]","protected":false},"author":3,"featured_media":1062631,"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\/1062616"}],"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=1062616"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1062616\/revisions"}],"predecessor-version":[{"id":1062634,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1062616\/revisions\/1062634"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1062631"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1062616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1062616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1062616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}