{"id":6009,"date":"2021-01-21T23:05:41","date_gmt":"2021-01-21T14:05:41","guid":{"rendered":"http:\/\/blog.jansnap.com\/?p=6009"},"modified":"2021-12-15T01:46:00","modified_gmt":"2021-12-14T16:46:00","slug":"python%e3%81%aewith%e6%96%87%e3%81%a7%e8%a4%87%e6%95%b0%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e4%b8%80%e5%ba%a6%e3%81%ab%e9%96%8b%e3%81%8f","status":"publish","type":"post","link":"https:\/\/blog.jansnap.com\/?p=6009","title":{"rendered":"Python\u306ewith\u6587\u3067\u8907\u6570\u30d5\u30a1\u30a4\u30eb\u3092\u4e00\u5ea6\u306b\u958b\u304f"},"content":{"rendered":"\n<h2><span class=\"ez-toc-section\" id=\"%E6%A6%82%E8%A6%81\"><\/span>\n\u6982\u8981<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Python\u3067\u30d5\u30a1\u30a4\u30eb\u306eopen\u306a\u3069\u306b\u4f7f\u3046<code>with\u6587<\/code>\u306f\u3001\u30ab\u30f3\u30de\u3067\u533a\u5207\u3063\u3066\u8907\u6570\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4e00\u5ea6\u306b\u958b\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002(python3.1\u4ee5\u964d)<br>\n\u305d\u306e\u5834\u5408\u3001\u8907\u6570\u306e with \u6587\u304c\u30cd\u30b9\u30c8\u3055\u308c\u305f\u304b\u306e\u3088\u3046\u306b\u6271\u308f\u308c\u307e\u3059\u3002<br>\n\u8907\u6570csv\u30d5\u30a1\u30a4\u30eb\u306e\u30de\u30fc\u30b8\u306a\u3069\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"%E3%82%B5%E3%83%B3%E3%83%97%E3%83%AB%E3%82%B3%E3%83%BC%E3%83%89python369%E3%81%A7%E7%A2%BA%E8%AA%8D\"><\/span>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9(python3.6.9\u3067\u78ba\u8a8d)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>2021-01-22: <a href=\"\/shiracamus\" class=\"user-mention js-hovercard\" title=\"shiracamus\" data-hovercard-target-type=\"user\" data-hovercard-target-name=\"shiracamus\">@shiracamus<\/a> \u3055\u3093\u306e\u30b3\u30e1\u30f3\u30c8\u3092\u53cd\u6620\u3057\u307e\u3057\u305f\u3002\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"python\" class=\"language-python\">import csv\n\nwith open(\"input1.csv\", mode='r') as fi1, \\\n     open(\"input2.csv\", mode='r') as fi2, \\\n     open(\"output.csv\", mode='w') as fo:\n    reader1 = csv.reader(fi1)\n    reader2 = csv.reader(fi2)\n    writer = csv.writer(fo)\n\n    for l1, l2 in zip(reader1, reader2):\n        writer.writerow(l1 + l2)<\/code><\/pre>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"%E5%85%A5%E5%8A%9B%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB\"><\/span>\n\u5165\u529b\u30d5\u30a1\u30a4\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>input1.csv<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"csvs\" class=\"language-csvs\">a,b,c\n1,2,3<\/code><\/pre>\n\n\n\n<p>input2.csv<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"csvs\" class=\"language-csvs\">d,e,f\n4,5,6<\/code><\/pre>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"%E5%87%BA%E5%8A%9B%E7%B5%90%E6%9E%9C\"><\/span>\n\u51fa\u529b\u7d50\u679c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>output.csv<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"csvs\" class=\"language-csvs\">a,b,c,d,e,f\n1,2,3,4,5,6<\/code><\/pre>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"%E5%85%AC%E5%BC%8F%E3%83%89%E3%82%AD%E3%83%A5%E3%83%A1%E3%83%B3%E3%83%88\"><\/span>\n\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p><a href=\"https:\/\/docs.python.org\/ja\/3.6\/reference\/compound_stmts.html\" rel=\"nofollow noopener\" target=\"_blank\">8. \u8907\u5408\u6587 (compound statement)<\/a> \u306e <a href=\"https:\/\/docs.python.org\/ja\/3.6\/reference\/compound_stmts.html#with\" rel=\"nofollow noopener\" target=\"_blank\">\u300c8.5. with \u6587\u300d<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u3067\u30d5\u30a1\u30a4\u30eb\u306eopen\u306a\u3069\u306b\u4f7f\u3046<code>with\u6587<\/code>\u306f\u3001\u30ab\u30f3\u30de\u3067\u533a\u5207\u3063\u3066\u8907\u6570\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4e00\u5ea6\u306b\u958b\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002(python3.1\u4ee5\u964d)<br \/>\n  \u305d\u306e\u5834\u5408\u3001\u8907\u6570\u306e with \u6587\u304c\u30cd\u30b9\u30c8\u3055\u308c\u305f\u304b\u306e\u3088\u3046\u306b\u6271\u308f\u308c\u307e\u3059\u3002<br \/>\n  \u8907\u6570csv\u30d5\u30a1\u30a4\u30eb\u306e\u30de\u30fc\u30b8\u306a\u3069\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4093,4070,4071,4094],"tags":[4091,4065,4066,4092],"class_list":["post-6009","post","type-post","status-publish","format-standard","hentry","category-csv","category-python","category-python3","category-with","tag-csv","tag-python","tag-python3","tag-with"],"_links":{"self":[{"href":"https:\/\/blog.jansnap.com\/index.php?rest_route=\/wp\/v2\/posts\/6009","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.jansnap.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.jansnap.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jansnap.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jansnap.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6009"}],"version-history":[{"count":0,"href":"https:\/\/blog.jansnap.com\/index.php?rest_route=\/wp\/v2\/posts\/6009\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.jansnap.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6009"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jansnap.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6009"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jansnap.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6009"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}