{"id":24008,"date":"2022-11-29T17:59:49","date_gmt":"2022-11-29T12:29:49","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-python-question-about-initialising-lists-with-none-versus-with-just\/"},"modified":"2022-11-29T17:59:49","modified_gmt":"2022-11-29T12:29:49","slug":"solved-python-question-about-initialising-lists-with-none-versus-with-just","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-python-question-about-initialising-lists-with-none-versus-with-just\/","title":{"rendered":"[Solved] Python &#8211; Question about initialising lists with [None] versus with just []"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-63625859\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"63625859\" data-parentid=\"63625841\" data-score=\"0\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>That is happening because <code>append<\/code> adds an element to the end of the list.  Your list all ready has <code>None<\/code> in it so any elements you add are going to be put after it, like this <code>[None, ...]<\/code>.  Therefore when you get the first element, it gives you <code>None<\/code>.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">3<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Python &#8211; Question about initialising lists with [None] versus with just [] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] That is happening because append adds an element to the end of the list. Your list all ready has None in it so any elements you add are going to be put after it, like this [None, &#8230;]. Therefore when you get the first element, it gives you None. 3 [ad_2] solved Python &#8211; &#8230; <a title=\"[Solved] Python &#8211; Question about initialising lists with [None] versus with just []\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-python-question-about-initialising-lists-with-none-versus-with-just\/\" aria-label=\"More on [Solved] Python &#8211; Question about initialising lists with [None] versus with just []\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[540,2114,349],"class_list":["post-24008","post","type-post","status-publish","format-standard","hentry","category-solved","tag-list","tag-nonetype","tag-python"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Python - Question about initialising lists with [None] versus with just [] - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-python-question-about-initialising-lists-with-none-versus-with-just\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Python - Question about initialising lists with [None] versus with just [] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] That is happening because append adds an element to the end of the list. Your list all ready has None in it so any elements you add are going to be put after it, like this [None, ...]. Therefore when you get the first element, it gives you None. 3 [ad_2] solved Python &#8211; ... 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