{"id":137,"date":"2024-03-03T00:42:04","date_gmt":"2023-04-05T01:48:09","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%a6%82%e4%bd%95%e5%b0%86numpy%e6%95%b0%e7%bb%84%e8%bd%ac%e6%8d%a2%e4%b8%bapython%e4%b8%ad%e7%9a%84%e5%88%97%e8%a1%a8\/"},"modified":"2025-08-01T00:27:38","modified_gmt":"2025-07-31T16:27:38","slug":"%e5%a6%82%e4%bd%95%e5%b0%86numpy%e6%95%b0%e7%bb%84%e8%bd%ac%e6%8d%a2%e4%b8%bapython%e4%b8%ad%e7%9a%84%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e5%b0%86numpy%e6%95%b0%e7%bb%84%e8%bd%ac%e6%8d%a2%e4%b8%bapython%e4%b8%ad%e7%9a%84%e5%88%97%e8%a1%a8\/","title":{"rendered":"NumPy\u6570\u7ec4\u8f6cPython\u5217\u8868\uff1a\u9ad8\u6548\u8f6c\u6362\u4e0e\u5b9e\u7528\u6280\u5de7"},"content":{"rendered":"<h3>\u7b80\u4ecb<\/h3>\n<p>\u5229\u7528NumPy\uff0c\u53ef\u4ee5\u4f7f\u7528<code>tolist()<\/code>\u51fd\u6570\u5c06<code>np.array<\/code>\u5bf9\u8c61\u8f6c\u6362\u4e3aPython\u5217\u8868\u3002<code>tolist()<\/code>\u51fd\u6570\u4e0d\u63a5\u53d7\u4efb\u4f55\u53c2\u6570\u3002\u5982\u679c\u6570\u7ec4\u662f\u4e00\u7ef4\u7684\uff0c\u5219\u8fd4\u56de\u5305\u542b\u6570\u7ec4\u5143\u7d20\u7684\u5217\u8868\u3002\u5bf9\u4e8e\u591a\u7ef4\u6570\u7ec4\uff0c\u5219\u8fd4\u56de\u4e00\u4e2a\u5d4c\u5957\u5217\u8868\u3002<\/p>\n<h2>\u524d\u63d0\u6761\u4ef6<\/h2>\n<p>\u4e3a\u4e86\u5b8c\u6210\u672c\u6559\u7a0b\uff0c\u60a8\u9700\u8981\u5177\u5907\u4ee5\u4e0b\u57fa\u7840\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>\u719f\u6089Python 3\u7684\u5b89\u88c5\u4ee5\u53ca\u4f7f\u7528pip\u5b89\u88c5\u5305\u3002<\/li>\n<li>\u719f\u6089Python\u7f16\u7a0b\u3002<\/li>\n<\/ul>\n<p>\u672c\u6559\u7a0b\u4f7f\u7528Python 3.9.6\u548cNumPy 1.23.3\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<h2>\u5c06\u4e00\u7ef4NumPy\u6570\u7ec4\u8f6c\u6362\u4e3a\u5217\u8868<\/h2>\n<p>\u8ba9\u6211\u4eec\u6784\u9020\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4 <code>[1, 2, 3]<\/code>\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">import<\/span> numpy <span class=\"token keyword\">as<\/span> np\r\n\r\n<span class=\"token comment\"># \u4e00\u7ef4\u6570\u7ec4\u8f6c\u5217\u8868<\/span>\r\narr_1 <span class=\"token operator\">=<\/span> np<span class=\"token punctuation\">.<\/span>array<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span>\r\n\r\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f'NumPy \u6570\u7ec4\uff1a\\n<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>arr_1<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">'<\/span><\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>NumPy \u6570\u7ec4\uff1a\r\n[1 2 3]\r\n<\/code><\/pre>\n<p>\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u4f7f\u7528<code>tolist()<\/code>\u51fd\u6570\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">import<\/span> numpy <span class=\"token keyword\">as<\/span> np\r\n\r\n<span class=\"token comment\"># \u4e00\u7ef4\u6570\u7ec4\u8f6c\u5217\u8868<\/span>\r\narr_1 <span class=\"token operator\">=<\/span> np<span class=\"token punctuation\">.<\/span>array<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span>\r\n\r\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f'NumPy \u6570\u7ec4\uff1a\\n<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>arr_1<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">'<\/span><\/span><span class=\"token punctuation\">)<\/span>\r\n\r\n<mark>list_1 <span class=\"token operator\">=<\/span> arr_1<span class=\"token punctuation\">.<\/span>tolist<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/mark>\r\n\r\n<mark><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f'\u5217\u8868\uff1a<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>list_1<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">'<\/span><\/span><span class=\"token punctuation\">)<\/span><\/mark>\r\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u65b0\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u5217\u8868\uff1a[1, 2, 3]\r\n<\/code><\/pre>\n<p>\u8be5\u6570\u7ec4\u5df2\u4eceNumPy\u6570\u7ec4\u8f6c\u6362\u4e3aPython\u5217\u8868\u3002<\/p>\n<h2>\u5c06\u591a\u7ef4NumPy\u6570\u7ec4\u8f6c\u6362\u4e3a\u5217\u8868<\/h2>\n<p>\u8ba9\u6211\u4eec\u6784\u5efa\u4e00\u4e2a\u591a\u7ef4\u6570\u7ec4\uff1a<code>[[1, 2, 3], [4, 5, 6]]<\/code>\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">import<\/span> numpy <span class=\"token keyword\">as<\/span> np\r\n\r\n<span class=\"token comment\"># \u4e8c\u7ef4\u6570\u7ec4\u8f6c\u5217\u8868<\/span>\r\narr_2 <span class=\"token operator\">=<\/span> np<span class=\"token punctuation\">.<\/span>array<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span>\r\n\r\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f'NumPy \u6570\u7ec4\uff1a\\n<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>arr_2<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">'<\/span><\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>NumPy \u6570\u7ec4\uff1a\r\n[[1 2 3]\r\n [4 5 6]]\r\n<\/code><\/pre>\n<p>\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u4f7f\u7528<code>tolist()<\/code>\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">import<\/span> numpy <span class=\"token keyword\">as<\/span> np\r\n\r\n<span class=\"token comment\"># \u4e8c\u7ef4\u6570\u7ec4\u8f6c\u5217\u8868<\/span>\r\narr_2 <span class=\"token operator\">=<\/span> np<span class=\"token punctuation\">.<\/span>array<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span>\r\n\r\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f'NumPy \u6570\u7ec4\uff1a\\n<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>arr_2<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">'<\/span><\/span><span class=\"token punctuation\">)<\/span>\r\n\r\n<mark>list_2 <span class=\"token operator\">=<\/span> arr_2<span class=\"token punctuation\">.<\/span>tolist<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/mark>\r\n\r\n<mark><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f'\u5217\u8868\uff1a<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>list_2<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">'<\/span><\/span><span class=\"token punctuation\">)<\/span><\/mark>\r\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u65b0\u4ee3\u7801\u5c06\u8f93\u51fa\u7684\u7ed3\u679c\u662f\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u5217\u8868\uff1a[[1, 2, 3], [4, 5, 6]]\r\n<\/code><\/pre>\n<p>\u8be5\u6570\u7ec4\u5df2\u4eceNumPy\u6570\u7ec4\u8f6c\u6362\u4e3aPython\u5217\u8868\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u60a8\u5b66\u4e60\u4e86\u5982\u4f55\u4f7f\u7528<code>tolist()<\/code>\u5c06<code>np.array<\/code>\u5bf9\u8c61\u8f6c\u6362\u4e3aPython\u5217\u8868\u3002\u5b83\u9002\u7528\u4e8e\u4e00\u7ef4\u548c\u591a\u7ef4\u6570\u7ec4\u3002<\/p>\n<p>\u53c2\u8003\u6587\u732e<\/p>\n<ul class=\"post-ul\">\n<li><a href=\"https:\/\/numpy.org\/doc\/stable\/reference\/generated\/numpy.ndarray.tolist.html\" target=\"_blank\" rel=\"noopener\">NumPy\u5b98\u65b9API\u6587\u6863<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb \u5229\u7528NumPy\uff0c\u53ef\u4ee5\u4f7f\u7528tolist()\u51fd\u6570\u5c06np.array\u5bf9\u8c61\u8f6c\u6362\u4e3aPython\u5217\u8868\u3002tolist( [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[272,32,611,612,184],"class_list":["post-137","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-numpy","tag-python","tag-611","tag-612","tag-184"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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