{"id":2543,"date":"2023-07-21T19:48:21","date_gmt":"2023-07-21T19:48:21","guid":{"rendered":"https:\/\/statorials.org\/pt\/indice-de-pandas-para-listar\/"},"modified":"2023-07-21T19:48:21","modified_gmt":"2023-07-21T19:48:21","slug":"indice-de-pandas-para-listar","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/indice-de-pandas-para-listar\/","title":{"rendered":"Como converter o \u00edndice pandas em lista (com exemplos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar um dos dois m\u00e9todos para converter o \u00edndice de um DataFrame do pandas em uma lista:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: use lista()<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>index_list = list( <span style=\"color: #3366ff;\">df.index.values<\/span> <span style=\"color: #3366ff;\">)<\/span>\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: use tolist()<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>index_list = df. <span style=\"color: #3366ff;\">index<\/span> . <span style=\"color: #3366ff;\">values<\/span> . <span style=\"color: #3366ff;\">tolist<\/span> ()<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ambos os m\u00e9todos retornar\u00e3o exatamente o mesmo resultado, mas o segundo m\u00e9todo tender\u00e1 a ser mais r\u00e1pido em DataFrames extremamente grandes.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar cada m\u00e9todo com o seguinte DataFrame do pandas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#createDataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [18, 22, 19, 14, 14, 11, 20, 28],\n                   ' <span style=\"color: #ff0000;\">assists<\/span> ': [5, 7, 7, 9, 12, 9, 9, 4],\n                   ' <span style=\"color: #ff0000;\">rebounds<\/span> ': [11, 8, 10, 6, 6, 5, 9, 12]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\n\tteam points assists rebounds\n0 A 18 5 11\n1 B 22 7 8\n2 C 19 7 10\n3 D 14 9 6\n4 E 14 12 6\n5 F 11 9 5\n6 G 20 9 9\n7:28 4 12\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: use lista()<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como usar <strong>list()<\/strong> para converter rapidamente o \u00edndice do DataFrame do pandas em uma lista:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#convert index to list\n<\/span>index_list = list( <span style=\"color: #3366ff;\">df.index.values<\/span> <span style=\"color: #3366ff;\">)<\/span>\n\n<span style=\"color: #008080;\">#view list\n<\/span>index_list\n\n[0, 1, 2, 3, 4, 5, 6, 7]\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que a lista cont\u00e9m os valores originais do \u00edndice do DataFrame.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tamb\u00e9m podemos usar <strong>type()<\/strong> para verificar se o resultado \u00e9 uma lista:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#check object type\n<span style=\"color: #000000;\"><span style=\"color: #008000;\">type<\/span> (index_list)\n\nlist<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: use tolist()<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como usar <strong>list()<\/strong> para converter rapidamente o \u00edndice do DataFrame do pandas em uma lista:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#convert index to list\n<\/span>index_list = df. <span style=\"color: #3366ff;\">index<\/span> . <span style=\"color: #3366ff;\">values.tolist<\/span> ()\n\n<span style=\"color: #008080;\">#view list\n<\/span>index_list\n\n[0, 1, 2, 3, 4, 5, 6, 7]\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Novamente, a lista cont\u00e9m os valores originais no \u00edndice do DataFrame.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tamb\u00e9m podemos usar <strong>type()<\/strong> para verificar se o resultado \u00e9 uma lista:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#check object type\n<span style=\"color: #000000;\"><span style=\"color: #008000;\">type<\/span> (index_list)\n\nlist<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Os tutoriais a seguir explicam como realizar outras opera\u00e7\u00f5es comuns em pandas:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/pandas-alteram-valores-de-indice\/\" target=\"_blank\" rel=\"noopener\">Como modificar um ou mais valores de \u00edndice no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-converte-indice-em-coluna\/\" target=\"_blank\" rel=\"noopener\">Como converter \u00edndice em coluna no Pandas<\/a><br \/><a href=\"https:\/\/statorials.org\/pt\/indice-de-redefinicao-do-pandas\/\" target=\"_blank\" rel=\"noopener\">Como redefinir um \u00edndice no Pandas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar um dos dois m\u00e9todos para converter o \u00edndice de um DataFrame do pandas em uma lista: M\u00e9todo 1: use lista() index_list = list( df.index.values ) M\u00e9todo 2: use tolist() index_list = df. index . values . tolist () Ambos os m\u00e9todos retornar\u00e3o exatamente o mesmo resultado, mas o segundo m\u00e9todo tender\u00e1 a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-2543","post","type-post","status-publish","format-standard","hentry","category-guia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Como converter o \u00edndice Pandas em lista (com exemplos) - Estatoriais<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como converter o \u00edndice de um DataFrame do pandas em uma lista, com 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