{"id":191,"date":"2018-08-07T01:54:48","date_gmt":"2018-08-06T17:54:48","guid":{"rendered":"http:\/\/unama.space\/?p=191"},"modified":"2020-04-18T02:16:45","modified_gmt":"2020-04-17T18:16:45","slug":"python3-read-a-file","status":"publish","type":"post","link":"https:\/\/unama.website\/?p=191","title":{"rendered":"Read a file"},"content":{"rendered":"<p>\u6700\u8fd1\u6253\u7b97\u6574\u7406\u4e00\u4e9b\u5e38\u7528\u5230\u7684python3\u8a9e\u6cd5\uff0c\u4e0d\u7136\u8a18\u6027\u4e0d\u597d\u7684\u6211\u8001\u662f\u4e00\u76f4\u67e5&#8230;<\/p>\n<p>\u5c31\u5f9e\u8b80\u6a94\u958b\u59cb\u5427~<\/p>\n<p>\u6703\u4f9d\u7167\u6211\u7528\u5230\u7684\u8a9e\u6cd5\u6301\u7e8c\u66f4\u65b0<\/p>\n<pre class=\"lang:python range:1-2 decode:true \">import pandas as pd\ndf = pd.read_csv('xxx.tsv', delimiter='\\t')<\/pre>\n<p>delimiter\u7684default\u70ba,<\/p>\n<p>&nbsp;<\/p>\n<p>\u8b80\u7279\u5b9a\u884c:<\/p>\n<pre class=\"lang:sh range:1-2 decode:true \">fields = ['col1', 'col2', 'col3']\ndf = pd.read_csv('xxx.csv', usecols=fields)<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u6253\u7b97\u6574\u7406\u4e00\u4e9b\u5e38\u7528\u5230\u7684python3\u8a9e\u6cd5\uff0c\u4e0d\u7136\u8a18\u6027\u4e0d\u597d\u7684\u6211\u8001\u662f\u4e00\u76f4\u67e5&#8230; \u5c31\u5f9e\u8b80\u6a94\u958b\u59cb\u5427~ \u6703\u4f9d\u7167\u6211\u7528\u5230\u7684\u8a9e\u6cd5\u6301\u7e8c\u66f4\u65b0 import pandas &#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/unama.website\/?p=191\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[9],"tags":[],"_links":{"self":[{"href":"https:\/\/unama.website\/index.php?rest_route=\/wp\/v2\/posts\/191"}],"collection":[{"href":"https:\/\/unama.website\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unama.website\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unama.website\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unama.website\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=191"}],"version-history":[{"count":5,"href":"https:\/\/unama.website\/index.php?rest_route=\/wp\/v2\/posts\/191\/revisions"}],"predecessor-version":[{"id":244,"href":"https:\/\/unama.website\/index.php?rest_route=\/wp\/v2\/posts\/191\/revisions\/244"}],"wp:attachment":[{"href":"https:\/\/unama.website\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unama.website\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unama.website\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}