{"id":1001989,"date":"2024-12-27T10:04:53","date_gmt":"2024-12-27T02:04:53","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1001989.html"},"modified":"2024-12-27T10:04:55","modified_gmt":"2024-12-27T02:04:55","slug":"python%e5%8a%a8%e6%80%81%e6%95%b0%e7%bb%84%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1001989.html","title":{"rendered":"python\u52a8\u6001\u6570\u7ec4\u5982\u4f55\u5b9e\u73b0"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25075922\/f3e72855-a8f0-44da-936a-1be965a574e3.webp\" alt=\"python\u52a8\u6001\u6570\u7ec4\u5982\u4f55\u5b9e\u73b0\" \/><\/p>\n<p><p> <strong>Python\u52a8\u6001\u6570\u7ec4\u7684\u5b9e\u73b0\u4e3b\u8981\u4f9d\u9760\u5217\u8868\uff08list\uff09\u6570\u636e\u7ed3\u6784\uff0c\u5217\u8868\u63d0\u4f9b\u4e86\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u7684\u80fd\u529b\u3001\u5728\u9700\u8981\u65f6\u81ea\u52a8\u6269\u5c55\u3001\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\u3002<\/strong> \u5176\u4e2d\uff0c\u5217\u8868\u662fPython\u4e2d\u6700\u5e38\u7528\u7684\u6570\u636e\u7ed3\u6784\u4e4b\u4e00\uff0c\u5b83\u63d0\u4f9b\u4e86\u7075\u6d3b\u6027\u548c\u6613\u7528\u6027\uff0c\u5141\u8bb8\u5728\u4e0d\u56fa\u5b9a\u5927\u5c0f\u7684\u60c5\u51b5\u4e0b\u5b58\u50a8\u548c\u64cd\u4f5c\u5143\u7d20\u3002Python\u901a\u8fc7\u5e95\u5c42\u7684C\u8bed\u8a00\u5b9e\u73b0\uff0c\u4f7f\u7528\u4e86\u4e00\u79cd\u79f0\u4e3a\u201c\u52a8\u6001\u6570\u7ec4\u201d\u7684\u673a\u5236\u6765\u7ba1\u7406\u5185\u5b58\uff0c\u4f7f\u5f97\u5217\u8868\u53ef\u4ee5\u52a8\u6001\u589e\u957f\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecdPython\u4e2d\u52a8\u6001\u6570\u7ec4\u7684\u5b9e\u73b0\u4ee5\u53ca\u5176\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001LIST\u4e0e\u52a8\u6001\u6570\u7ec4\u7684\u533a\u522b\u548c\u8054\u7cfb<\/p>\n<\/p>\n<p><p>Python\u4e2d\u7684\u5217\u8868\u548c\u52a8\u6001\u6570\u7ec4\u5728\u5b9e\u73b0\u4e0a\u6709\u5f88\u591a\u76f8\u4f3c\u4e4b\u5904\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u5dee\u5f02\u3002\u52a8\u6001\u6570\u7ec4\u662f\u4e00\u79cd\u5141\u8bb8\u8c03\u6574\u81ea\u8eab\u5927\u5c0f\u7684\u6570\u7ec4\u7ed3\u6784\uff0c\u800cPython\u5217\u8868\u6b63\u662f\u8fd9\u6837\u4e00\u79cd\u7ed3\u6784\u3002\u5217\u8868\u7684\u5b9e\u73b0\u57fa\u4e8e\u52a8\u6001\u6570\u7ec4\uff0c\u56e0\u6b64\u5b83\u4eec\u53ef\u4ee5\u5feb\u901f\u5730\u8fdb\u884c\u7d22\u5f15\u3001\u4fee\u6539\u548c\u6dfb\u52a0\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u52a8\u6001\u8c03\u6574\u5927\u5c0f<\/strong><\/li>\n<\/ol>\n<p><p>Python\u5217\u8868\u7684\u4e00\u4e2a\u663e\u8457\u7279\u70b9\u662f\u5176\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u7684\u80fd\u529b\u3002\u5f53\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u65f6\uff0c\u5982\u679c\u5217\u8868\u7684\u5bb9\u91cf\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5143\u7d20\uff0cPython\u4f1a\u81ea\u52a8\u5206\u914d\u66f4\u5927\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u5e76\u5c06\u73b0\u6709\u5143\u7d20\u590d\u5236\u5230\u65b0\u7684\u7a7a\u95f4\u4e2d\u3002\u8fd9\u79cd\u673a\u5236\u4f7f\u5f97\u5217\u8868\u80fd\u591f\u7075\u6d3b\u5730\u9002\u5e94\u4e0d\u540c\u7684\u6570\u636e\u5b58\u50a8\u9700\u6c42\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u5185\u5b58\u7ba1\u7406<\/strong><\/li>\n<\/ol>\n<p><p>Python\u5217\u8868\u901a\u8fc7\u52a8\u6001\u6570\u7ec4\u6765\u7ba1\u7406\u5185\u5b58\u3002\u5728\u6269\u5c55\u5217\u8868\u5bb9\u91cf\u65f6\uff0c\u901a\u5e38\u4f1a\u5206\u914d\u6bd4\u5b9e\u9645\u9700\u8981\u66f4\u591a\u7684\u7a7a\u95f4\uff0c\u4ee5\u51cf\u5c11\u9891\u7e41\u7684\u5185\u5b58\u5206\u914d\u548c\u590d\u5236\u64cd\u4f5c\u3002\u8fd9\u79cd\u505a\u6cd5\u5728\u63d0\u9ad8\u6027\u80fd\u7684\u540c\u65f6\uff0c\u4e5f\u53ef\u80fd\u5bfc\u81f4\u4e00\u5b9a\u7a0b\u5ea6\u7684\u5185\u5b58\u6d6a\u8d39\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001PYTHON LIST\u7684\u5b9e\u73b0\u673a\u5236<\/p>\n<\/p>\n<p><p>Python\u5217\u8868\u7684\u5e95\u5c42\u5b9e\u73b0\u4f9d\u8d56\u4e8e\u52a8\u6001\u6570\u7ec4\uff0c\u8fd9\u4f7f\u5f97\u5b83\u4eec\u80fd\u591f\u5728\u4e0d\u56fa\u5b9a\u5927\u5c0f\u7684\u60c5\u51b5\u4e0b\u5b58\u50a8\u6570\u636e\u3002\u7406\u89e3\u8fd9\u79cd\u5b9e\u73b0\u673a\u5236\u6709\u52a9\u4e8e\u66f4\u597d\u5730\u5229\u7528\u5217\u8868\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u5217\u8868\u7684\u6269\u5c55<\/strong><\/li>\n<\/ol>\n<p><p>\u5f53\u5411\u5217\u8868\u6dfb\u52a0\u5143\u7d20\u65f6\uff0c\u5982\u679c\u5f53\u524d\u5bb9\u91cf\u65e0\u6cd5\u5bb9\u7eb3\u65b0\u5143\u7d20\uff0cPython\u4f1a\u5206\u914d\u4e00\u4e2a\u66f4\u5927\u7684\u6570\u7ec4\uff0c\u5e76\u5c06\u539f\u6709\u5143\u7d20\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\u3002\u65b0\u7684\u6570\u7ec4\u901a\u5e38\u662f\u65e7\u6570\u7ec4\u76841.5\u52302\u500d\u5927\u5c0f\uff0c\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u672a\u6765\u7684\u5185\u5b58\u5206\u914d\u6b21\u6570\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u65f6\u95f4\u590d\u6742\u5ea6<\/strong><\/li>\n<\/ol>\n<p><p>Python\u5217\u8868\u7684\u5e38\u89c1\u64cd\u4f5c\u5982\u8bbf\u95ee\u3001\u6dfb\u52a0\u548c\u5220\u9664\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5206\u522b\u4e3aO(1)\u3001O(1)\u644a\u9500\u548cO(n)\u3002\u644a\u9500\u65f6\u95f4\u590d\u6742\u5ea6\u610f\u5473\u7740\u867d\u7136\u5355\u6b21\u64cd\u4f5c\u53ef\u80fd\u8017\u65f6\u8f83\u957f\uff0c\u4f46\u5728\u4e00\u7cfb\u5217\u64cd\u4f5c\u4e2d\uff0c\u5e73\u5747\u6bcf\u6b21\u64cd\u4f5c\u7684\u65f6\u95f4\u662f\u5e38\u6570\u7ea7\u522b\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001LIST\u7684\u64cd\u4f5c\u65b9\u6cd5\u53ca\u5176\u5e95\u5c42\u5b9e\u73b0<\/p>\n<\/p>\n<p><p>Python\u5217\u8868\u63d0\u4f9b\u4e86\u591a\u79cd\u64cd\u4f5c\u65b9\u6cd5\uff0c\u4f7f\u5f97\u5b83\u4eec\u5728\u6570\u636e\u5904\u7406\u8fc7\u7a0b\u4e2d\u975e\u5e38\u5f3a\u5927\u3002\u4e86\u89e3\u8fd9\u4e9b\u65b9\u6cd5\u7684\u5e95\u5c42\u5b9e\u73b0\u6709\u52a9\u4e8e\u66f4\u9ad8\u6548\u5730\u4f7f\u7528\u5217\u8868\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u6dfb\u52a0\u5143\u7d20<\/strong><\/li>\n<\/ol>\n<p><p>Python\u63d0\u4f9b\u4e86<code>append()<\/code>\u548c<code>extend()<\/code>\u65b9\u6cd5\u6765\u6dfb\u52a0\u5143\u7d20\u3002<code>append()<\/code>\u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20\uff0c\u800c<code>extend()<\/code>\u5219\u7528\u4e8e\u5c06\u53e6\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002<code>append()<\/code>\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\uff0c\u800c<code>extend()<\/code>\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(k)\uff0c\u5176\u4e2dk\u662f\u88ab\u6dfb\u52a0\u5bf9\u8c61\u7684\u957f\u5ea6\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u5220\u9664\u5143\u7d20<\/strong><\/li>\n<\/ol>\n<p><p><code>remove()<\/code>\u548c<code>pop()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5220\u9664\u5217\u8868\u4e2d\u7684\u5143\u7d20\u3002<code>remove()<\/code>\u7528\u4e8e\u5220\u9664\u9996\u6b21\u51fa\u73b0\u7684\u6307\u5b9a\u503c\uff0c\u800c<code>pop()<\/code>\u5219\u5220\u9664\u5e76\u8fd4\u56de\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\u3002<code>pop()<\/code>\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\uff0c\u4f46\u5728\u6700\u574f\u60c5\u51b5\u4e0b\uff08\u5982\u5220\u9664\u7b2c\u4e00\u4e2a\u5143\u7d20\uff09\u4e3aO(n)\u3002<\/p>\n<\/p>\n<ol start=\"3\">\n<li><strong>\u67e5\u627e\u5143\u7d20<\/strong><\/li>\n<\/ol>\n<p><p><code>index()<\/code>\u65b9\u6cd5\u7528\u4e8e\u67e5\u627e\u5143\u7d20\u5728\u5217\u8868\u4e2d\u7684\u4f4d\u7f6e\uff0c\u5b83\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\uff0c\u56e0\u4e3a\u9700\u8981\u904d\u5386\u5217\u8868\u6765\u627e\u5230\u6307\u5b9a\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001LIST\u7684\u9ad8\u7ea7\u7528\u6cd5<\/p>\n<\/p>\n<p><p>Python\u5217\u8868\u4e0d\u4ec5\u652f\u6301\u57fa\u672c\u7684\u589e\u5220\u6539\u67e5\u64cd\u4f5c\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u9ad8\u7ea7\u7528\u6cd5\u6765\u63d0\u9ad8\u6548\u7387\u548c\u7b80\u5316\u4ee3\u7801\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u5217\u8868\u63a8\u5bfc\u5f0f<\/strong><\/li>\n<\/ol>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u521b\u5efa\u5217\u8868\u7684\u65b9\u6cd5\uff0c\u5b83\u5141\u8bb8\u5728\u4e00\u884c\u4ee3\u7801\u4e2d\u751f\u6210\u5217\u8868\u3002\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6548\u7387\u3002\u5b83\u7684\u57fa\u672c\u8bed\u6cd5\u4e3a<code>[expression for item in iterable if condition]<\/code>\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u591a\u7ef4\u5217\u8868<\/strong><\/li>\n<\/ol>\n<p><p>Python\u5217\u8868\u53ef\u4ee5\u7528\u4e8e\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\uff0c\u901a\u5e38\u901a\u8fc7\u5d4c\u5957\u5217\u8868\u6765\u5b9e\u73b0\u3002\u591a\u7ef4\u5217\u8868\u5728\u6570\u636e\u5904\u7406\u548c\u77e9\u9635\u8ba1\u7b97\u4e2d\u975e\u5e38\u6709\u7528\uff0c\u53ef\u4ee5\u901a\u8fc7\u5d4c\u5957\u5faa\u73af\u6765\u904d\u5386\u548c\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<ol start=\"3\">\n<li><strong>\u5217\u8868\u5207\u7247<\/strong><\/li>\n<\/ol>\n<p><p>\u5217\u8868\u5207\u7247\u63d0\u4f9b\u4e86\u4e00\u79cd\u4ece\u5217\u8868\u4e2d\u63d0\u53d6\u5b50\u5217\u8868\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u5207\u7247\u64cd\u4f5c\uff0c\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u5730\u83b7\u53d6\u5217\u8868\u7684\u4e00\u90e8\u5206\uff0c\u800c\u65e0\u9700\u663e\u5f0f\u5730\u904d\u5386\u5217\u8868\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001PYTHON\u4e2d\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4\u7684\u5176\u4ed6\u65b9\u5f0f<\/p>\n<\/p>\n<p><p>\u9664\u4e86\u4f7f\u7528\u5217\u8868\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u5728Python\u4e2d\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4\uff0c\u4e3b\u8981\u4f9d\u8d56\u4e8e\u7b2c\u4e09\u65b9\u5e93\u6216\u8005\u81ea\u5b9a\u4e49\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u4f7f\u7528NUMPY<\/strong><\/li>\n<\/ol>\n<p><p>NumPy\u662fPython\u4e2d\u4e00\u4e2a\u5f3a\u5927\u7684\u5e93\uff0c\u4e13\u95e8\u7528\u4e8e\u79d1\u5b66\u8ba1\u7b97\u3002NumPy\u6570\u7ec4\uff08ndarray\uff09\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u591a\u7ef4\u6570\u7ec4\u5bf9\u8c61\u3002\u867d\u7136NumPy\u6570\u7ec4\u7684\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u901a\u8fc7\u521b\u5efa\u65b0\u7684\u6570\u7ec4\u5e76\u590d\u5236\u6570\u636e\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7c7b\u4f3c\u52a8\u6001\u6570\u7ec4\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n<ol 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