{"id":219788,"date":"2024-01-11T06:30:00","date_gmt":"2024-01-11T06:30:00","guid":{"rendered":"https:\/\/datascientest.com\/?p=219788"},"modified":"2024-01-04T10:48:25","modified_gmt":"2024-01-04T10:48:25","slug":"python-string-tout-savoir","status":"publish","type":"post","link":"https:\/\/datascientest.com\/python-string-tout-savoir","title":{"rendered":"Les strings sur Python : Tout ce qu&rsquo;il faut savoir"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"219788\" class=\"elementor elementor-219788\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-715aedb e-flex e-con-boxed e-con\" data-id=\"715aedb\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-492f5c1 elementor-widget elementor-widget-heading\" data-id=\"492f5c1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">Les cha\u00eenes de caract\u00e8res appel\u00e9es string en Python repr\u00e9sentent un type fondamental de la programmation. Il s\u2019agit d\u2019une s\u00e9quence de caract\u00e8res alphab\u00e9tiques, num\u00e9riques ou de symboles. Lors du traitement de texte, de donn\u00e9es structur\u00e9es ou de donn\u00e9es provenant de sources externes, les Python strings sont tr\u00e8s fr\u00e9quemment utilis\u00e9s.<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-91a9aa6 elementor-widget elementor-widget-text-editor\" data-id=\"91a9aa6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p><span style=\"font-weight: 400;\">Ainsi, si vous souhaitez vous lancer dans la <a href=\"https:\/\/datascientest.com\/blog-data-ia-actualites\/programmation-python\">programmation en Python<\/a>, il est n\u00e9cessaire que vous sachiez les manipuler. Les strings sont immuables, ce qui signifie qu\u2019une fois cr\u00e9\u00e9s, ils ne peuvent pas \u00eatre modifi\u00e9s. Ils peuvent cependant \u00eatre manipul\u00e9s \u00e0 l\u2019aide de diff\u00e9rentes m\u00e9thodes. Explorons ces diff\u00e9rentes fonctionnalit\u00e9s.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d0cca71 e-flex e-con-boxed e-con\" data-id=\"d0cca71\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-043aedd elementor-widget elementor-widget-heading\" data-id=\"043aedd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Qu'est ce que Python string ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38ed4ff elementor-widget elementor-widget-text-editor\" data-id=\"38ed4ff\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Il est possible de d\u00e9finir un Python string de diff\u00e9rentes mani\u00e8res : les guillemets simples ou doubles mais aussi les triples guillemets. Utiliser trois guillemets simples ou trois guillemets doubles permet de prendre en compte les sauts de ligne dans l\u2019affichage de la cha\u00eene de caract\u00e8res.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5fd613c elementor-widget elementor-widget-shortcode\" data-id=\"5fd613c\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/LouiseDurandJanin\/7d796279a86fbacf6845df9b02baaf7f.js\"><\/script><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68a0a0d elementor-widget elementor-widget-text-editor\" data-id=\"68a0a0d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Il est possible d\u2019affecter un Python string \u00e0 une variable afin d\u2019<strong>optimiser le code<\/strong> et ne pas le surcharger avec des cha\u00eenes de caract\u00e8res trop longues qui se r\u00e9p\u00e9teraient tout au long du code. On affiche simplement un Python string \u00e0 l\u2019aide de la fonction print(). Attention, si on souhaite afficher une cha\u00eene de caract\u00e8res contenant des guillemets simples ou doubles, une SyntaxError sera retourn\u00e9e. Pour pallier \u00e0 ce probl\u00e8me, il faut utiliser les triples guillemets lors de la d\u00e9finition du string ou bien des <strong>s\u00e9quences d\u2019\u00e9chappement<\/strong> (escape sequences). Elles sont introduites par un anti-slash et tr\u00e8s utiles pour afficher ces caract\u00e8res sp\u00e9ciaux, nous y reviendrons plus en d\u00e9tail dans une prochaine section.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-821eca8 elementor-widget elementor-widget-shortcode\" data-id=\"821eca8\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/LouiseDurandJanin\/88550c6d41d03cbd2820bfd22109116d.js\"><\/script><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1d9d294 e-flex e-con-boxed e-con\" data-id=\"1d9d294\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c3e5c2d elementor-widget elementor-widget-heading\" data-id=\"c3e5c2d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Comment indexer avec la fonction string ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b35d02e elementor-widget elementor-widget-text-editor\" data-id=\"b35d02e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Il est important d\u2019avoir en t\u00eate qu\u2019un Python string fonctionne comme une liste. On peut donc avoir acc\u00e8s \u00e0 un caract\u00e8re particulier de la cha\u00eene de caract\u00e8res \u00e0 l\u2019aide des crochets comme dans l\u2019exemple ci-dessous. Comme pour les listes, on peut indexer un Python string avec des nombres n\u00e9gatifs. Ainsi, x[-1] renvoie le dernier \u00e9l\u00e9ment du string. Rappelez-vous bien que l\u2019indexation en Python commence \u00e0 0. Pour retourner une certaine sous-s\u00e9quence d\u2019un Python string, on utilise le <a href=\"https:\/\/datascientest.com\/python-slicing-tout-savoir\">slicing<\/a>. La commande x[start:end] retourne la sous-cha\u00eene de caract\u00e8res commen\u00e7ant \u00e0 l\u2019indice start jusqu\u2019\u00e0 l\u2019indice end non inclus. <\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ec971d elementor-widget elementor-widget-shortcode\" data-id=\"2ec971d\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/LouiseDurandJanin\/736d68ae4e25b9be094cfc6b56cc2a9d.js\"><\/script><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-904054a e-flex e-con-boxed e-con\" data-id=\"904054a\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3293a6e elementor-widget elementor-widget-heading\" data-id=\"3293a6e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Comparaison de cha\u00eenes de caract\u00e8res<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ac14c3 elementor-widget elementor-widget-text-editor\" data-id=\"2ac14c3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Premi\u00e8rement, il est important de noter que chaque caract\u00e8re d\u2019un Python string est associ\u00e9 \u00e0 une valeur ASCII ( American Standard Code for Information Interchange ). Par exemple, le caract\u00e8re \u00ab\u00a0A\u00a0\u00bb a une valeur ASCII de 65 alors que \u00ab\u00a0a\u00a0\u00bb est associ\u00e9 \u00e0 la valeur 97. Ainsi, la comparaison sera sensible \u00e0 la casse du caract\u00e8re. Pour comparer deux Python strings, on utilise les op\u00e9rateurs habituels ==, !=, &lt;, &gt;, &gt;= ou encore &lt;=. Les op\u00e9rateurs vont en fait comparer les valeurs ASCII associ\u00e9es aux deux cha\u00eenes de caract\u00e8res. Ainsi, \u00ab\u00a0Ananas\u00a0\u00bb aura une plus petite valeur ASCII que \u00ab\u00a0ananas\u00a0\u00bb et la commande \u201cAnanas\u201d &lt; \u201cananas\u201d renverra True. <\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d49ecea elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"d49ecea\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formations-data\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Apprendre Python pour la Data Science<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d900214 e-flex e-con-boxed e-con\" data-id=\"d900214\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-32354d9 elementor-widget elementor-widget-heading\" data-id=\"32354d9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">M\u00e9thodes associ\u00e9es<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77887ce elementor-widget elementor-widget-text-editor\" data-id=\"77887ce\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Un grand nombre de m\u00e9thodes diff\u00e9rentes peuvent \u00eatre r\u00e9alis\u00e9es sur les Python strings.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee83fdc elementor-widget elementor-widget-html\" data-id=\"ee83fdc\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style type=\"text\/css\">\r\n.tg  {border-collapse:collapse;border-spacing:0;}\r\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\r\n  overflow:hidden;padding:10px 5px;word-break:normal;}\r\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\r\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\r\n.tg .tg-6jnb{background-color:#343434;color:#ffffff;font-family:Tahoma, Geneva, sans-serif !important;font-size:16px;\r\n  text-align:left;vertical-align:top}\r\n.tg .tg-n3o3{background-color:#efefef;font-family:Tahoma, Geneva, sans-serif !important;font-size:16px;text-align:left;\r\n  vertical-align:top}\r\n<\/style>\r\n<table class=\"tg\" style=\"undefined;table-layout: fixed; width: 800px\">\r\n<colgroup>\r\n<col style=\"width: 200px\">\r\n<col style=\"width: 600px\">\r\n<\/colgroup>\r\n<thead>\r\n  <tr>\r\n    <th class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none\">len(x) <\/span><\/th>\r\n    <th class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">Retourne la longueur de la cha\u00eene de caract\u00e8res.<\/span><\/th>\r\n  <\/tr>\r\n<\/thead>\r\n<tbody>\r\n  <tr>\r\n    <td class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none\">\u2018Hello\u2019 in x <\/span><\/td>\r\n    <td class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">Teste l\u2019appartenance d\u2019un caract\u00e8re ou d\u2019une cha\u00eene de caract\u00e8res \u00e0 x. Il renvoie un bool\u00e9en, True si \u2018Hello\u2019 est dans x ou False sinon.<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none\">x.isalpha()<\/span><\/td>\r\n    <td class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">Retourne True si le Python string est compos\u00e9 de lettres alphab\u00e9tiques uniquement.<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none\">x.isdecimal()<\/span><\/td>\r\n    <td class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">Retourne True si x est uniquement compos\u00e9 d\u2019entiers. Attention , cette m\u00e9thode ne d\u00e9tecte pas les entiers n\u00e9gatifs et les nombres d\u00e9cimaux non entiers<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none\">x.startswith(\u201cstart\u201d) \/ x.endswith(\u201cstart\u201d) <\/span><\/td>\r\n    <td class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">Teste si la cha\u00eene de caract\u00e8re commence ( resp. termine )  par \u201cstart\u201d.<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none\">x.find(\u201ctest\u201d)<\/span><\/td>\r\n    <td class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">Cherche le string \u201ctest\u201d dans la cha\u00eene de caract\u00e8res x et retourne l\u2019indice o\u00f9 il commence ou -1 s\u2019il n\u2019est pas trouv\u00e9 dans la cha\u00eene.<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none\">x.count(sub, beg, end)<\/span><\/td>\r\n    <td class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">Compte le nombre d'occurrences de sub dans x entre beg et end.<\/span><\/td>\r\n  <\/tr>\r\n<\/tbody>\r\n<\/table>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-844b191 e-flex e-con-boxed e-con\" data-id=\"844b191\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b7fdff0 elementor-widget elementor-widget-heading\" data-id=\"b7fdff0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Op\u00e9rations sur les Python strings<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-758a443 elementor-widget elementor-widget-text-editor\" data-id=\"758a443\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">\u00c0 d\u00e9faut de pouvoir modifier une cha\u00eene de caract\u00e8re, il existe plusieurs op\u00e9rations qui permettent de cr\u00e9er de nouvelles cha\u00eenes \u00e0 partir de cha\u00eenes d\u00e9j\u00e0 existantes.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c23fff elementor-widget elementor-widget-html\" data-id=\"1c23fff\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style type=\"text\/css\">\r\n.tg  {border-collapse:collapse;border-spacing:0;}\r\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\r\n  overflow:hidden;padding:10px 5px;word-break:normal;}\r\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\r\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\r\n.tg .tg-6jnb{background-color:#343434;color:#ffffff;font-family:Tahoma, Geneva, sans-serif !important;font-size:16px;\r\n  text-align:left;vertical-align:top}\r\n.tg .tg-n3o3{background-color:#efefef;font-family:Tahoma, Geneva, sans-serif !important;font-size:16px;text-align:left;\r\n  vertical-align:top}\r\n<\/style>\r\n<table class=\"tg\" style=\"undefined;table-layout: fixed; width: 800px\">\r\n<colgroup>\r\n<col style=\"width: 200px\">\r\n<col style=\"width: 600px\">\r\n<\/colgroup>\r\n<thead>\r\n  <tr>\r\n    <th class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;background-color:transparent\">x.replace(\u201cold\u201d, \u201cnew\u201d) <\/span><\/th>\r\n    <th class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">retourne le string x o\u00f9 toutes les occurrences de \u201cold\u201d ont \u00e9t\u00e9 remplac\u00e9es par \u201cnew\u201d.<\/span><\/th>\r\n  <\/tr>\r\n<\/thead>\r\n<tbody>\r\n  <tr>\r\n    <td class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;background-color:transparent\">x.split( )<\/span><\/td>\r\n    <td class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">Permet de subdiviser un Python string en fonction du caract\u00e8re pass\u00e9 en argument, ici un espace. Cette op\u00e9ration retourne une liste des \u00e9l\u00e9ments divis\u00e9s.<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;background-color:transparent\">x + y<\/span><\/td>\r\n    <td class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">Concat\u00e8ne les deux cha\u00eenes de caract\u00e8res x et y, elle renvoie donc  un string compos\u00e9 de la cha\u00eene x suivie de y.<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;background-color:transparent\">x*2 <\/span><\/td>\r\n    <td class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\"> Cr\u00e9e un nouveau string compos\u00e9 de la r\u00e9p\u00e9tition de la cha\u00eene de caract\u00e8res x deux fois.<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;background-color:transparent\">capitalize(x)<\/span><\/td>\r\n    <td class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">Met le premier caract\u00e8re de x en majuscule.<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;background-color:transparent\"> x.lower() \/ x.upper()<\/span><\/td>\r\n    <td class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">Convertit x en lettres minuscules et inversement<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;background-color:transparent\">max(x) \/ min(x) <\/span><\/td>\r\n    <td class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">Retourne le caract\u00e8re de x le plus proche du d\u00e9but de l\u2019alphabet et inversement.<\/span><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-6jnb\"><span style=\"font-weight:400;font-style:normal;text-decoration:none\">x[::-1]<\/span><\/td>\r\n    <td class=\"tg-n3o3\"><span style=\"font-weight:400;font-style:normal;text-decoration:none;color:#000\">Inverse le Python string <\/span><\/td>\r\n  <\/tr>\r\n<\/tbody>\r\n<\/table>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ab6151a e-flex e-con-boxed e-con\" data-id=\"ab6151a\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4f43aae elementor-widget elementor-widget-heading\" data-id=\"4f43aae\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Suppression<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd93bbd elementor-widget elementor-widget-text-editor\" data-id=\"cd93bbd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Comme mentionn\u00e9 pr\u00e9c\u00e9demment, <strong>les Python strings sont immuables<\/strong>. Une fois cr\u00e9\u00e9s, ils ne peuvent plus \u00eatre modifi\u00e9s et on ne peut pas non plus supprimer un certain caract\u00e8re par exemple. Comme dans l\u2019exemple ci-dessous, si on souhaite remplacer le premier caract\u00e8re de x, cela renverra une erreur.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d36aed elementor-widget elementor-widget-shortcode\" data-id=\"3d36aed\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/LouiseDurandJanin\/3e9cc6541a1319679bc2b6e1874755ce.js\"><\/script><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e7490e elementor-widget elementor-widget-text-editor\" data-id=\"1e7490e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">La seule option qui s\u2019offre alors \u00e0 vous si votre cha\u00eene de caract\u00e8res est erron\u00e9e, est de la supprimer. Cela s\u2019effectue avec la commande del.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-974bcf9 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"974bcf9\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formations-data\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Ma\u00eetriser la programmation en Python<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-81552d4 e-flex e-con-boxed e-con\" data-id=\"81552d4\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-799f5d7 elementor-widget elementor-widget-heading\" data-id=\"799f5d7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Caract\u00e8res d\u2019\u00e9chappement<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab346d0 elementor-widget elementor-widget-text-editor\" data-id=\"ab346d0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Comme mentionn\u00e9 pr\u00e9c\u00e9demment, les caract\u00e8res d\u2019\u00e9chappement ou escape s\u00e9quences sont introduits par un antislash \\. Ils permettent l\u2019insertion de certains caract\u00e8res sp\u00e9ciaux comme les guillemets par exemple, ou d\u2019effectuer des op\u00e9rations sp\u00e9cifiques. Ainsi, pour aller \u00e0 la ligne, on peut utiliser \u00ab\u00a0\\n\u00a0\u00bb, pour effectuer une tabulation \u00ab\u00a0\\t\u00a0\u00bb ou encore \u00ab\u00a0\\\\\u00a0\u00bb permet d\u2019afficher un backslash.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae35dc5 elementor-widget elementor-widget-shortcode\" data-id=\"ae35dc5\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/LouiseDurandJanin\/dd804dc396b2c4782e67859277ab74b6.js\"><\/script><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-107130a e-flex e-con-boxed e-con\" data-id=\"107130a\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d481d6d elementor-widget elementor-widget-heading\" data-id=\"d481d6d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Formatage<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c9e1cf elementor-widget elementor-widget-text-editor\" data-id=\"8c9e1cf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Le formatage des Python strings correspond \u00e0 des m\u00e9thodes de mise en forme. La <strong>concat\u00e9nation<\/strong> pr\u00e9sent\u00e9e plus haut est une forme de formatage. Ce n\u2019est cependant pas la m\u00e9thode la plus utile car elle ne permet d\u2019assembler seulement des donn\u00e9es de m\u00eame type. Ainsi, si on veut concat\u00e9ner un string avec des variables num\u00e9riques, il faudra convertir les variables num\u00e9riques en Python string \u00e0 l\u2019aide de la commande str(). <\/span><\/p><p><span style=\"font-weight: 400;\">La m\u00e9thode format constitue une fa\u00e7on de formater les Python strings beaucoup plus simplement. Les strings plac\u00e9s en arguments de la m\u00e9thode <strong>format()<\/strong> seront remplac\u00e9s, dans l\u2019ordre aux endroits ou il y a des accolades. Cette m\u00e9thode, contrairement \u00e0 la concat\u00e9nation, prend en charge diff\u00e9rents types de variables. On peut sp\u00e9cifier \u00e0 l\u2019int\u00e9rieur des accolades l\u2019indice de l\u2019argument \u00e0 utiliser ou encore le nom de la variable \u00e0 utiliser parmi les arguments.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d354ce0 elementor-widget elementor-widget-shortcode\" data-id=\"d354ce0\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/LouiseDurandJanin\/fbfa5e732cf668c7ab64e630131636f4.js\"><\/script><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9e2b0d elementor-widget elementor-widget-text-editor\" data-id=\"e9e2b0d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">La version 3.6 de Python a introduit une nouvelle fonctionnalit\u00e9 : les <strong>f-strings.<\/strong> Cette m\u00e9thode permet une meilleure lisibilit\u00e9 et propose \u00e9galement de meilleures performances que la m\u00e9thode format. Pour utiliser cette m\u00e9thode, il faut ins\u00e9rer la lettre \u00ab\u00a0f\u00a0\u00bb avant la d\u00e9finition d\u2019une variable de type Python string. Il est alors possible, tout comme avec la m\u00e9thode format, d\u2019ajouter des variables de diff\u00e9rents types dans la cha\u00eene de caract\u00e8res \u00e0 l\u2019aide des accolades. Cela permet \u00e9galement d\u2019utiliser les diff\u00e9rentes m\u00e9thodes associ\u00e9es aux Python strings explicit\u00e9es pr\u00e9c\u00e9demment \u00e0 l\u2019int\u00e9rieur des accolades. Si vous utilisez les f strings, il faudra bien faire attention \u00e0 d\u00e9finir les variables appel\u00e9es avant, ce probl\u00e8me ne se pose pas si vous utilisez la m\u00e9thode format.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7be80b4 elementor-widget elementor-widget-shortcode\" data-id=\"7be80b4\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><script src=\"https:\/\/gist.github.com\/LouiseDurandJanin\/b288619bb4c7de69e2005d84478d7b67.js\"><\/script><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-033cde2 elementor-widget elementor-widget-text-editor\" data-id=\"033cde2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Anciennement le formatage se faisait \u00e0 l\u2019aide de la commande %, vous pouvez donc encore retrouver ce type de formatage m\u00eame si cette m\u00e9thode est maintenant obsol\u00e8te.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-801aa12 e-flex e-con-boxed e-con\" data-id=\"801aa12\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bdff7d7 elementor-widget elementor-widget-heading\" data-id=\"bdff7d7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-54f4b6a elementor-widget elementor-widget-text-editor\" data-id=\"54f4b6a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Les Python strings sont des types <strong>tr\u00e8s largement r\u00e9pandus en programmation en Python<\/strong>, notamment pour la manipulation de donn\u00e9es textuelles, l\u2019affichage de r\u00e9sultats ou du traitement de texte. Vous avez d\u00e9sormais une bonne ma\u00eetrise de ce type et de ses subtilit\u00e9s.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Pour apprendre \u00e0 ma\u00eetriser enti\u00e8rement Python, les <strong>formations DataScientest<\/strong> vous proposent une approche bas\u00e9e sur le \u00ab\u00a0learning by doing\u00a0\u00bb qui feront de vous des experts en programmation et sciences des donn\u00e9es et vous d\u00e9livreront un dipl\u00f4me en tant que <a href=\"https:\/\/datascientest.com\/metier-data-scientist\">Data Scientist<\/a>, <a href=\"https:\/\/datascientest.com\/data-analyst-tout-savoir\">Data Analyst<\/a> ou encore <a href=\"https:\/\/datascientest.com\/data-engineer-tout-savoir\">Data Engineer<\/a>.\u00a0\u00a0<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-046c8a2 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"046c8a2\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formations-data\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Commencer une formation Python<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5b9d20f e-flex e-con-boxed e-con\" data-id=\"5b9d20f\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cfba1c6 elementor-widget elementor-widget-html\" data-id=\"cfba1c6\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Qu'est ce que Python string ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Il est possible de d\u00e9finir un Python string de diff\u00e9rentes mani\u00e8res : les guillemets simples ou doubles mais aussi les triples guillemets. Utiliser trois guillemets simples ou trois guillemets doubles permet de prendre en compte les sauts de ligne dans l\u2019affichage de la cha\u00eene de caract\u00e8res.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Comment indexer avec la fonction string ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Il est important d\u2019avoir en t\u00eate qu\u2019un Python string fonctionne comme une liste. On peut donc avoir acc\u00e8s \u00e0 un caract\u00e8re particulier de la cha\u00eene de caract\u00e8res \u00e0 l\u2019aide des crochets comme dans l\u2019exemple ci-dessous. Comme pour les listes, on peut indexer un Python string avec des nombres n\u00e9gatifs. Ainsi, x[-1] renvoie le dernier \u00e9l\u00e9ment du string. Rappelez-vous bien que l\u2019indexation en Python commence \u00e0 0.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Comparaison de cha\u00eenes de caract\u00e8res\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Premi\u00e8rement, il est important de noter que chaque caract\u00e8re d\u2019un Python string est associ\u00e9 \u00e0 une valeur ASCII ( American Standard Code for Information Interchange ). Par exemple, le caract\u00e8re \\\"A\\\" a une valeur ASCII de 65 alors que \\\"a\\\" est associ\u00e9 \u00e0 la valeur 97. Ainsi, la comparaison sera sensible \u00e0 la casse du caract\u00e8re. Pour comparer deux Python strings, on utilise les op\u00e9rateurs habituels ==, !=, <, >, >= ou encore <=.\"\r\n    }\r\n  }]\r\n}\r\n<\/script>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Les cha\u00eenes de caract\u00e8res appel\u00e9es string en Python repr\u00e9sentent un type fondamental de la programmation. Il s\u2019agit d\u2019une s\u00e9quence de caract\u00e8res alphab\u00e9tiques, num\u00e9riques ou de symboles. Lors du traitement de texte, de donn\u00e9es structur\u00e9es ou de donn\u00e9es provenant de sources externes, les Python strings sont tr\u00e8s fr\u00e9quemment utilis\u00e9s. Ainsi, si vous souhaitez vous lancer dans [&hellip;]<\/p>\n","protected":false},"author":77,"featured_media":219790,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[2497],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les strings sur Python : Tout ce qu&#039;il faut savoir<\/title>\n<meta name=\"description\" content=\"Les strings ne peuvent pas \u00eatre modifi\u00e9s, mais peuvent cependant \u00eatre manipul\u00e9s \u00e0 l\u2019aide de diff\u00e9rentes m\u00e9thodes. D\u00e9couvrons les dans cet article.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/datascientest.com\/python-string-tout-savoir\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les strings sur Python : Tout ce qu&#039;il faut savoir\" \/>\n<meta property=\"og:url\" content=\"https:\/\/datascientest.com\/python-string-tout-savoir\" \/>\n<meta property=\"og:site_name\" content=\"Formation Data Science | DataScientest.com\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-11T06:30:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-01-04T10:48:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/10\/python-string.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Raphael Kassel\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Raphael Kassel\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/datascientest.com\/python-string-tout-savoir\",\"url\":\"https:\/\/datascientest.com\/python-string-tout-savoir\",\"name\":\"Les strings sur Python : Tout ce qu'il faut savoir\",\"isPartOf\":{\"@id\":\"https:\/\/datascientest.com\/#website\"},\"datePublished\":\"2024-01-11T06:30:00+00:00\",\"dateModified\":\"2024-01-04T10:48:25+00:00\",\"author\":{\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/6eca16f63daaafcbc96e15549b9d4ee1\"},\"description\":\"Les strings ne peuvent pas \u00eatre modifi\u00e9s, mais peuvent cependant \u00eatre manipul\u00e9s \u00e0 l\u2019aide de diff\u00e9rentes m\u00e9thodes. D\u00e9couvrons les dans cet article.\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/datascientest.com\/python-string-tout-savoir\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/datascientest.com\/#website\",\"url\":\"https:\/\/datascientest.com\/\",\"name\":\"Formation Data Science | DataScientest.com\",\"description\":\"Leader de la formation en Data Science\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/datascientest.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/6eca16f63daaafcbc96e15549b9d4ee1\",\"name\":\"Raphael Kassel\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/11\/raph.jpeg\",\"contentUrl\":\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/11\/raph.jpeg\",\"caption\":\"Raphael Kassel\"},\"description\":\"Raphael Kassel est le Head of Data Programs chez DataScientest. Il supervise une \u00e9quipe Data, impl\u00e9mente de nouveaux parcours comme \\\"Chef de projet IA\\\" et \\\"Data Product Manager\\\", et contribue \u00e0 la modernisation des op\u00e9rations du groupe. En collaboration \u00e9troite avec l'\u00e9quipe de d\u00e9veloppement, il adapte l'accompagnement acad\u00e9mique aux \u00e9volutions de l'\u00e9quipe data et \u00e0 l'internationalisation.\",\"sameAs\":[\"https:\/\/www.linkedin.com\/in\/raphaelkassel\/\",\"Data Science\"],\"url\":\"https:\/\/datascientest.com\/author\/raphaelkassel\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Les strings sur Python : Tout ce qu'il faut savoir","description":"Les strings ne peuvent pas \u00eatre modifi\u00e9s, mais peuvent cependant \u00eatre manipul\u00e9s \u00e0 l\u2019aide de diff\u00e9rentes m\u00e9thodes. D\u00e9couvrons les dans cet article.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/datascientest.com\/python-string-tout-savoir","og_locale":"fr_FR","og_type":"article","og_title":"Les strings sur Python : Tout ce qu'il faut savoir","og_url":"https:\/\/datascientest.com\/python-string-tout-savoir","og_site_name":"Formation Data Science | DataScientest.com","article_published_time":"2024-01-11T06:30:00+00:00","article_modified_time":"2024-01-04T10:48:25+00:00","og_image":[{"width":1200,"height":600,"url":"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/10\/python-string.png","type":"image\/png"}],"author":"Raphael Kassel","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Raphael Kassel","Dur\u00e9e de lecture estim\u00e9e":"7 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/datascientest.com\/python-string-tout-savoir","url":"https:\/\/datascientest.com\/python-string-tout-savoir","name":"Les strings sur Python : Tout ce qu'il faut savoir","isPartOf":{"@id":"https:\/\/datascientest.com\/#website"},"datePublished":"2024-01-11T06:30:00+00:00","dateModified":"2024-01-04T10:48:25+00:00","author":{"@id":"https:\/\/datascientest.com\/#\/schema\/person\/6eca16f63daaafcbc96e15549b9d4ee1"},"description":"Les strings ne peuvent pas \u00eatre modifi\u00e9s, mais peuvent cependant \u00eatre manipul\u00e9s \u00e0 l\u2019aide de diff\u00e9rentes m\u00e9thodes. D\u00e9couvrons les dans cet article.","inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/datascientest.com\/python-string-tout-savoir"]}]},{"@type":"WebSite","@id":"https:\/\/datascientest.com\/#website","url":"https:\/\/datascientest.com\/","name":"Formation Data Science | DataScientest.com","description":"Leader de la formation en Data Science","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/datascientest.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/datascientest.com\/#\/schema\/person\/6eca16f63daaafcbc96e15549b9d4ee1","name":"Raphael Kassel","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/datascientest.com\/#\/schema\/person\/image\/","url":"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/11\/raph.jpeg","contentUrl":"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/11\/raph.jpeg","caption":"Raphael Kassel"},"description":"Raphael Kassel est le Head of Data Programs chez DataScientest. Il supervise une \u00e9quipe Data, impl\u00e9mente de nouveaux parcours comme \"Chef de projet IA\" et \"Data Product Manager\", et contribue \u00e0 la modernisation des op\u00e9rations du groupe. En collaboration \u00e9troite avec l'\u00e9quipe de d\u00e9veloppement, il adapte l'accompagnement acad\u00e9mique aux \u00e9volutions de l'\u00e9quipe data et \u00e0 l'internationalisation.","sameAs":["https:\/\/www.linkedin.com\/in\/raphaelkassel\/","Data Science"],"url":"https:\/\/datascientest.com\/author\/raphaelkassel"}]}},"_links":{"self":[{"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/posts\/219788"}],"collection":[{"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/users\/77"}],"replies":[{"embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/comments?post=219788"}],"version-history":[{"count":0,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/posts\/219788\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/media\/219790"}],"wp:attachment":[{"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/media?parent=219788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/categories?post=219788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/datascientest.com\/wp-json\/wp\/v2\/tags?post=219788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}