{"id":497,"date":"2023-01-16T17:25:32","date_gmt":"2023-01-16T09:25:32","guid":{"rendered":"https:\/\/kuo.us.to\/wordpress\/?p=497"},"modified":"2023-01-17T16:42:19","modified_gmt":"2023-01-17T08:42:19","slug":"python%e5%ad%b8%e7%bf%92%e7%ad%86%e8%a8%98-pandas-concat-%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/kuo.us.to\/wordpress\/python%e5%ad%b8%e7%bf%92%e7%ad%86%e8%a8%98\/497\/","title":{"rendered":"Python\u5b78\u7fd2\u7b46\u8a18: pandas concat \u7528\u6cd5"},"content":{"rendered":"\n<h2>\u4e00\u3001\u76f4\u5411\u9023\u63a5<\/h2>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: python; title: ; notranslate\" title=\"\">\nimport pandas as pd\ndf1 = pd.DataFrame(\n    {\n        &quot;A&quot;: &#x5B;&quot;A0&quot;, &quot;A1&quot;, &quot;A2&quot;, &quot;A3&quot;],\n        &quot;B&quot;: &#x5B;&quot;B0&quot;, &quot;B1&quot;, &quot;B2&quot;, &quot;B3&quot;],\n        &quot;C&quot;: &#x5B;&quot;C0&quot;, &quot;C1&quot;, &quot;C2&quot;, &quot;C3&quot;],\n        &quot;D&quot;: &#x5B;&quot;D0&quot;, &quot;D1&quot;, &quot;D2&quot;, &quot;D3&quot;],\n    },\n    index=&#x5B;0, 1, 2, 3],\n)\n\n\ndf2 = pd.DataFrame(\n    {\n        &quot;A&quot;: &#x5B;&quot;A4&quot;, &quot;A5&quot;, &quot;A6&quot;, &quot;A7&quot;],\n        &quot;B&quot;: &#x5B;&quot;B4&quot;, &quot;B5&quot;, &quot;B6&quot;, &quot;B7&quot;],\n        &quot;C&quot;: &#x5B;&quot;C4&quot;, &quot;C5&quot;, &quot;C6&quot;, &quot;C7&quot;],\n        &quot;D&quot;: &#x5B;&quot;D4&quot;, &quot;D5&quot;, &quot;D6&quot;, &quot;D7&quot;],\n    },\n    index=&#x5B;4, 5, 6, 7],\n)\n\n\ndf3 = pd.DataFrame(\n    {\n        &quot;A&quot;: &#x5B;&quot;A8&quot;, &quot;A9&quot;, &quot;A10&quot;, &quot;A11&quot;],\n        &quot;B&quot;: &#x5B;&quot;B8&quot;, &quot;B9&quot;, &quot;B10&quot;, &quot;B11&quot;],\n        &quot;C&quot;: &#x5B;&quot;C8&quot;, &quot;C9&quot;, &quot;C10&quot;, &quot;C11&quot;],\n        &quot;D&quot;: &#x5B;&quot;D8&quot;, &quot;D9&quot;, &quot;D10&quot;, &quot;D11&quot;],\n    },\n    index=&#x5B;8, 9, 10, 11],\n)\n\n\nframes = &#x5B;df1, df2, df3]\n\nresult = pd.concat(frames)\n<\/pre><\/div>\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: python; title: ; notranslate\" title=\"\">\ndf1\n<\/pre><\/div>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"567\" height=\"237\" src=\"https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-154319.jpg\" alt=\"\" class=\"wp-image-623\" srcset=\"https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-154319.jpg 567w, https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-154319-300x125.jpg 300w\" sizes=\"(max-width: 567px) 100vw, 567px\" \/><\/figure>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: python; title: ; notranslate\" title=\"\">\ndf2\n<\/pre><\/div>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"562\" height=\"223\" src=\"https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-154439-1.jpg\" alt=\"\" class=\"wp-image-626\" srcset=\"https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-154439-1.jpg 562w, https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-154439-1-300x119.jpg 300w\" sizes=\"(max-width: 562px) 100vw, 562px\" \/><\/figure>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: python; title: ; notranslate\" title=\"\">\ndf3\n<\/pre><\/div>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"568\" height=\"223\" src=\"https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-154519.jpg\" alt=\"\" class=\"wp-image-627\" srcset=\"https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-154519.jpg 568w, https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-154519-300x118.jpg 300w\" sizes=\"(max-width: 568px) 100vw, 568px\" \/><\/figure>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: python; title: ; notranslate\" title=\"\">\nresult\n<\/pre><\/div>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"592\" height=\"547\" src=\"https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-154817.jpg\" alt=\"\" class=\"wp-image-628\" srcset=\"https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-154817.jpg 592w, https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-154817-300x277.jpg 300w\" sizes=\"(max-width: 592px) 100vw, 592px\" \/><\/figure>\n\n\n\n<p>\u7d44\u5408\u793a\u610f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"590\" src=\"https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-155001-1024x590.jpg\" alt=\"\" class=\"wp-image-629\" srcset=\"https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-155001-1024x590.jpg 1024w, https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-155001-300x173.jpg 300w, https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-155001-768x442.jpg 768w, https:\/\/kuo.us.to\/wordpress\/wp-content\/uploads\/2023\/01\/Screenshot-2022-10-05-155001.jpg 1245w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u76f4\u5411\u9023\u63a5 \u7d44\u5408\u793a\u610f\uff1a<\/p>\n","protected":false},"author":1,"featured_media":389,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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