{"id":12134,"date":"2024-03-14T15:15:27","date_gmt":"2024-03-14T15:15:27","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-you-sort-a-csv-file-in-python\/"},"modified":"2025-08-04T21:50:09","modified_gmt":"2025-08-04T21:50:09","slug":"how-can-you-sort-a-csv-file-in-python","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-you-sort-a-csv-file-in-python\/","title":{"rendered":"Sort CSV Files With Python"},"content":{"rendered":"<p>In Python, we can use the csv module to read and write CSV files, and then use the built-in sorted() function to sort the data in the CSV file. Here is a simple example code demonstrating how to sort the data in a CSV file.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> csv\r\n\r\n<span class=\"hljs-comment\"># \u8bfb\u53d6CSV\u6587\u4ef6<\/span>\r\n<span class=\"hljs-keyword\">with<\/span> <span class=\"hljs-built_in\">open<\/span>(<span class=\"hljs-string\">'data.csv'<\/span>, <span class=\"hljs-string\">'r'<\/span>) <span class=\"hljs-keyword\">as<\/span> file:\r\n    reader = csv.reader(file)\r\n    data = <span class=\"hljs-built_in\">list<\/span>(reader)\r\n\r\n<span class=\"hljs-comment\"># \u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f<\/span>\r\nsorted_data = <span class=\"hljs-built_in\">sorted<\/span>(data, key=<span class=\"hljs-keyword\">lambda<\/span> x: x[<span class=\"hljs-number\">0<\/span>])  <span class=\"hljs-comment\"># \u6839\u636e\u7b2c\u4e00\u5217\u6570\u636e\u8fdb\u884c\u6392\u5e8f<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u5199\u5165\u6392\u5e8f\u540e\u7684\u6570\u636e\u5230\u65b0\u7684CSV\u6587\u4ef6<\/span>\r\n<span class=\"hljs-keyword\">with<\/span> <span class=\"hljs-built_in\">open<\/span>(<span class=\"hljs-string\">'sorted_data.csv'<\/span>, <span class=\"hljs-string\">'w'<\/span>, newline=<span class=\"hljs-string\">''<\/span>) <span class=\"hljs-keyword\">as<\/span> file:\r\n    writer = csv.writer(file)\r\n    writer.writerows(sorted_data)\r\n\r\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">'\u6570\u636e\u5df2\u6392\u5e8f\u5e76\u5199\u5165\u65b0\u7684CSV\u6587\u4ef6\u3002'<\/span>)\r\n<\/code><\/pre>\n<p>In the example above, we start by using the csv.reader() method to read the data from a CSV file and save it in a list. Then, we use the sorted() function to sort the data in the list by specifying the key parameter for the column to sort by. Finally, we use the csv.writer() method to write the sorted data to a new CSV file.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Python, we can use the csv module to read and write CSV files, and then use the built-in sorted() function to sort the data in the CSV file. Here is a simple example code demonstrating how to sort the data in a CSV file. import csv # \u8bfb\u53d6CSV\u6587\u4ef6 with open(&#8216;data.csv&#8217;, &#8216;r&#8217;) as file: reader [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[865,3794,890,72,212],"class_list":["post-12134","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-csv","tag-data-sorting","tag-file-handling","tag-python","tag-python-programming"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sort CSV Files With Python - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to efficiently sort CSV files in Python using the csv module and sorted() function. 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