{"id":180997,"date":"2022-11-16T15:44:18","date_gmt":"2022-11-16T15:44:18","guid":{"rendered":"https:\/\/datascientest.com\/?p=180997"},"modified":"2023-11-09T13:55:59","modified_gmt":"2023-11-09T13:55:59","slug":"fonction-boucle-for","status":"publish","type":"post","link":"https:\/\/datascientest.com\/fonction-boucle-for","title":{"rendered":"Boucle for : Une fonction essentielle de la programmation"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"180997\" class=\"elementor elementor-180997\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fe50984 e-flex e-con-boxed e-con\" data-id=\"fe50984\" 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-1640c50 elementor-widget elementor-widget-heading\" data-id=\"1640c50\" 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><h3 class=\"elementor-heading-title elementor-size-default\">Qu'est ce qu'une \"boucle for\" ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46deb0b elementor-widget elementor-widget-text-editor\" data-id=\"46deb0b\" 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>En programmation, on parle d\u2019it\u00e9rables pour d\u00e9signer des objets regroupant <strong>une collection d\u2019objets<\/strong> qu\u2019on peut parcourir. Parmi les it\u00e9rables on compte entre autres : les listes, les tuples, les dictionnaires ou les strings\u2026<\/p><p>Les <strong>boucles for<\/strong> permettent de parcourir des it\u00e9rables et de r\u00e9p\u00e9ter une suite d\u2019instructions pour chaque \u00e9l\u00e9ment. Le code \u00e0 ex\u00e9cuter est alors r\u00e9p\u00e9t\u00e9 autant de fois que le nombre d\u2019\u00e9l\u00e9ments que contient notre it\u00e9rable. En tant qu\u2019essentiel de la programmation, les boucles for sont utilis\u00e9es dans tous les m\u00e9tiers de la data : <a href=\"https:\/\/datascientest.com\/emploi-data-analyst\">data analyst<\/a>, <a href=\"https:\/\/datascientest.com\/metier-data-scientist\">data scientist<\/a> ou encore <a href=\"https:\/\/datascientest.com\/data-engineer-une-carriere-en-forte-demande\">data engineer<\/a>.<\/p><p>Dans cet article, nous verrons comment utiliser l\u2019instruction \u201cfor\u201d sur diff\u00e9rents types d\u2019objets et en quoi les boucles for permettent de r\u00e9pondre au c\u00e9l\u00e8bre adage de programmation <strong>\u00ab\u00a0Don&rsquo;t Repeat Yourself\u00a0\u00bb<\/strong>.<\/p><blockquote><p><em><strong>Pour nous familiariser avec l\u2019utilisation des boucles nous allons d\u2019abord apprendre \u00e0 les utiliser sur des \u00e9l\u00e9ments de type liste.<\/strong><\/em><\/p><\/blockquote>\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-c347bc5 e-flex e-con-boxed e-con\" data-id=\"c347bc5\" 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-5eb4d95 elementor-widget elementor-widget-heading\" data-id=\"5eb4d95\" 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\">Utiliser une boucle pour it\u00e9rer sur une liste avec l\u2019instruction \"For\"<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c5fcbd elementor-widget elementor-widget-text-editor\" data-id=\"2c5fcbd\" 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>Nous allons cr\u00e9er une boucle for pour r\u00e9cup\u00e9rer le pr\u00e9nom de chaque \u00e9l\u00e8ve dans une variable <strong>\u00ab\u00a0students\u00a0\u00bb<\/strong> de type liste, qui est compos\u00e9e du pr\u00e9nom et du nom des \u00e9l\u00e8ves. Puis, nous ajoutons les pr\u00e9noms \u00e0 la liste <strong>\u00ab\u00a0first_names\u00a0\u00bb<\/strong>.<\/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-37fa9ec elementor-widget elementor-widget-shortcode\" data-id=\"37fa9ec\" 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\/maelysBB\/7d6a2a8b204845bf8a2deaf92a38a572.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-1e2e6c1 e-flex e-con-boxed e-con\" data-id=\"1e2e6c1\" 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-e2f464d elementor-widget elementor-widget-heading\" data-id=\"e2f464d\" 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\">Utiliser Range pour it\u00e9rer :<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-08f3c69 elementor-widget elementor-widget-text-editor\" data-id=\"08f3c69\" 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>La fonction range nous permet d\u2019it\u00e9rer sur une suite de nombres d\u00e9finis sur un certain intervalle. Ci-dessous, nous affichons la valeur de chaque nombre entier dans l&rsquo;intervalle [0, 5[ (on note que 0 est inclus mais 5 est exclu).<\/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-b8ce589 elementor-widget elementor-widget-shortcode\" data-id=\"b8ce589\" 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\/maelysBB\/433c2eea5b2da436ea9c02ccc29269a2.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-c0d6d65 elementor-widget elementor-widget-text-editor\" data-id=\"c0d6d65\" 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>Par d\u00e9faut, la fonction range prend 0 en valeur de d\u00e9part, mais il est \u00e9galement possible de changer la valeur de d\u00e9part.<\/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-a794b04 elementor-widget elementor-widget-shortcode\" data-id=\"a794b04\" 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\/maelysBB\/ef15bd6164326ffcd730c89661d23850.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-d1166b9 elementor-widget elementor-widget-text-editor\" data-id=\"d1166b9\" 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>La fonction range permet \u00e9galement de changer le pas (ou step en anglais) entre chaque chaque valeur sur l\u2019intervalle :<\/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-7a97cf5 elementor-widget elementor-widget-shortcode\" data-id=\"7a97cf5\" 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\/maelysBB\/1ce63c4403fc3904dbb6672fbce2e0f9.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-9117f0b elementor-widget elementor-widget-text-editor\" data-id=\"9117f0b\" 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>Gr\u00e2ce \u00e0 la fonction range, il est \u00e9galement possible d&rsquo;it\u00e9rer dans le sens inverse en prenant un pas n\u00e9gatif :<\/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-8ef9472 elementor-widget elementor-widget-shortcode\" data-id=\"8ef9472\" 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\/maelysBB\/7758ed5d209ffeff264a63050a2b7a67.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-2e43840 e-flex e-con-boxed e-con\" data-id=\"2e43840\" 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-a1dda71 elementor-widget elementor-widget-heading\" data-id=\"a1dda71\" 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\">Utiliser des it\u00e9rations imbriqu\u00e9es<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0832b58 elementor-widget elementor-widget-text-editor\" data-id=\"0832b58\" 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>Une boucle imbriqu\u00e9e ou (<strong>nested iteration<\/strong>) est une boucle situ\u00e9e \u00e0 l&rsquo;int\u00e9rieur d&rsquo;une autre boucle. La boucle imbriqu\u00e9e sera ex\u00e9cut\u00e9e pour chaque it\u00e9ration de la boucle situ\u00e9e au-dessus.<\/p><p>Dans l\u2019exemple ci-dessous, nous it\u00e9rons sur chaque pr\u00e9nom de la liste <strong>\u00ab\u00a0first_names\u00a0\u00bb<\/strong> qui est de type string. Puis gr\u00e2ce \u00e0 une boucle imbriqu\u00e9e, nous it\u00e9rons sur chaque lettre du pr\u00e9nom et affichons la lettre, son num\u00e9ro, et le num\u00e9ro du pr\u00e9nom \u00e0 laquelle la lettre appartient.<\/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-f7f1948 elementor-widget elementor-widget-shortcode\" data-id=\"f7f1948\" 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\/maelysBB\/d583ff49eb499b6a9dc61f46f291308c.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-62df4ee elementor-widget elementor-widget-text-editor\" data-id=\"62df4ee\" 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\tPlut\u00f4t que d\u2019initier un compteur \u00e0 la main, nous pouvons utiliser range pour it\u00e9rer sur le nombre d\u2019\u00e9l\u00e9ments compris dans notre it\u00e9rable :\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4b5d3b elementor-widget elementor-widget-shortcode\" data-id=\"a4b5d3b\" 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\/maelysBB\/ab383a33f8bee6948863b2309067af81.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-dc9f15e e-flex e-con-boxed e-con\" data-id=\"dc9f15e\" 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-5d43e22 elementor-widget elementor-widget-heading\" data-id=\"5d43e22\" 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\">Utiliser enumerate pour b\u00e9n\u00e9ficier d\u2019un compteur d\u2019\u00e9l\u00e9ments automatique<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f000ac7 elementor-widget elementor-widget-text-editor\" data-id=\"f000ac7\" 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><a href=\"https:\/\/datascientest.com\/formation-langage-python\">Python<\/a> dispose de la fonction enumerate() qui retourne pour chaque it\u00e9ration, un tuple contenant l&rsquo;indice et la valeur de l\u2019it\u00e9rable \u00e0 cet indice.<\/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-bb87700 elementor-widget elementor-widget-shortcode\" data-id=\"bb87700\" 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\/maelysBB\/236dae8938531ba6edc69623136863df.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-198744e elementor-widget elementor-widget-text-editor\" data-id=\"198744e\" 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>On notera que la sortie des trois derniers exemples est la m\u00eame mais que le code des deux derni\u00e8res solutions est plus optimis\u00e9.<\/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-76a676a e-flex e-con-boxed e-con\" data-id=\"76a676a\" 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-392304a elementor-widget elementor-widget-heading\" data-id=\"392304a\" 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\">It\u00e9rer sur plusieurs it\u00e9rables en m\u00eame temps avec Zip<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc19149 elementor-widget elementor-widget-text-editor\" data-id=\"bc19149\" 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>Il est possible d&rsquo;utiliser la fonction int\u00e9gr\u00e9e <strong>zip()<\/strong> pour it\u00e9rer dans plusieurs it\u00e9rables en m\u00eame temps. Pour chaque it\u00e9ration, zip retourne un tuple qui rassemble les \u00e9l\u00e9ments situ\u00e9s \u00e0 la m\u00eame position de chacun des it\u00e9rables.<\/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-7b92a74 elementor-widget elementor-widget-shortcode\" data-id=\"7b92a74\" 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\/maelysBB\/0309b32611c8a562da678999e8fd7082.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-840cd39 elementor-widget elementor-widget-text-editor\" data-id=\"840cd39\" 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>Gr\u00e2ce \u00e0 la boucle for et \u00e0 zip, nous pouvons ici cr\u00e9er une liste <strong>\u00ab\u00a0names\u00a0\u00bb<\/strong> compos\u00e9e du pr\u00e9nom et du nom de chaque \u00e9tudiant.<\/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-f7bcbcb e-flex e-con-boxed e-con\" data-id=\"f7bcbcb\" 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-636ba1f elementor-widget elementor-widget-heading\" data-id=\"636ba1f\" 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\">Sortir d\u2019une boucle avec l\u2019instruction Break<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77d3282 elementor-widget elementor-widget-text-editor\" data-id=\"77d3282\" 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>Il est possible de quitter une boucle si une condition particuli\u00e8re est rencontr\u00e9e en utilisant <strong>\u00ab\u00a0break\u00a0\u00bb<\/strong>. <strong>Tant que la condition n\u2019est pas v\u00e9rifi\u00e9e, la boucle est ex\u00e9cut\u00e9e<\/strong> normalement. <strong>D\u00e8s que la condition est vraie, le programme sort de la boucle<\/strong> et passe \u00e0 l\u2019instruction apr\u00e8s celle-ci.<\/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-13884f3 elementor-widget elementor-widget-shortcode\" data-id=\"13884f3\" 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\/maelysBB\/6cb1fc10d036ec97c91ff5ffb641cbc8.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-04d61e0 elementor-widget elementor-widget-text-editor\" data-id=\"04d61e0\" 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>Une<strong> expression logique<\/strong> est utilis\u00e9e pour v\u00e9rifier la condition. Par exemple, ci-dessus, nous quittons la boucle si le type d\u2019un \u00e9l\u00e9ment de la liste n\u2019est pas de type string. La boucle a \u00e9t\u00e9 quitt\u00e9e avant d\u2019afficher l\u2019\u00e9l\u00e9ment \u00e0 l\u2019index 2, qui est de type int et non string.<\/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-f491985 e-flex e-con-boxed e-con\" data-id=\"f491985\" 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-45dbe4b elementor-widget elementor-widget-heading\" data-id=\"45dbe4b\" 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\">Passer \u00e0 l\u2019it\u00e9ration suivante en sautant l\u2019it\u00e9ration actuelle avec l\u2019instruction continue<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-569098a elementor-widget elementor-widget-text-editor\" data-id=\"569098a\" 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>Il est possible de <strong>sauter l\u2019it\u00e9ration<\/strong> dans laquelle on est si une condition particuli\u00e8re est rencontr\u00e9e en utilisant l\u2019instruction de python <strong>\u00ab\u00a0continue\u00a0\u00bb<\/strong>. Si la condition est vraie, le programme restera dans la boucle mais passera directement \u00e0 l\u2019it\u00e9ration suivante.<\/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-258fbe1 elementor-widget elementor-widget-shortcode\" data-id=\"258fbe1\" 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\/maelysBB\/325f4167a1eee1d41ccb25be614d11bb.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-9359c82 elementor-widget elementor-widget-text-editor\" data-id=\"9359c82\" 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>Nous voyons ci-dessus que la boucle a \u00e9t\u00e9 ex\u00e9cut\u00e9e sauf \u00e0 l\u2019index n\u00b02 o\u00f9 le type de l\u2019\u00e9l\u00e9ment est <strong>int<\/strong>.<\/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-2ddca94 e-flex e-con-boxed e-con\" data-id=\"2ddca94\" 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-1470ad1 elementor-widget elementor-widget-heading\" data-id=\"1470ad1\" 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\">List Comprehensions<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37bde56 elementor-widget elementor-widget-text-editor\" data-id=\"37bde56\" 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>Pour simplifier l\u2019\u00e9criture des boucles for sur des listes, il est possible de passer par les List Comprehensions qui permettent, entre autres, de faciliter la d\u00e9claration ou la modification de variables de type liste.<\/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-c2fab96 elementor-widget elementor-widget-shortcode\" data-id=\"c2fab96\" 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\/maelysBB\/414be7def5e5ec5a711efc8f42ec70bd.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-2ae33d2 elementor-widget elementor-widget-text-editor\" data-id=\"2ae33d2\" 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>Il est \u00e9galement possible d&rsquo;utiliser des <strong>List Comprehensions imbriqu\u00e9es<\/strong>, afin de cr\u00e9er des listes \u00e0 plusieurs dimensions.<\/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-d5c3621 elementor-widget elementor-widget-shortcode\" data-id=\"d5c3621\" 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\/maelysBB\/ecd594c67a68c5a1f5b35cce8e8082a8.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-3e8b3dd elementor-widget elementor-widget-text-editor\" data-id=\"3e8b3dd\" 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\tLe code pr\u00e9c\u00e9demment fait en 1 ligne ce que le code ci-dessous fait en 6 lignes.\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0985b33 elementor-widget elementor-widget-shortcode\" data-id=\"0985b33\" 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\/maelysBB\/156278f4d8e6fb59856ff06ffb5a32f9.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-9df3bf2 elementor-widget elementor-widget-text-editor\" data-id=\"9df3bf2\" 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\tNous venons de voir plusieurs utilisations des boucles for sur des listes (et \u00e9galement des strings). Dans la suite de cet article, nous verrons comment it\u00e9rer sur d\u2019autres types type d\u2019objets.\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-8431a28 e-flex e-con-boxed e-con\" data-id=\"8431a28\" 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-7f496ba elementor-widget elementor-widget-heading\" data-id=\"7f496ba\" 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\">It\u00e9rer sur un dictionnaire<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71ce357 elementor-widget elementor-widget-text-editor\" data-id=\"71ce357\" 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>Il est possible de r\u00e9p\u00e9ter une instruction sur un dictionnaire gr\u00e2ce \u00e0 la m\u00e9thode <strong>.items()<\/strong>.<\/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-0bcd6dd elementor-widget elementor-widget-shortcode\" data-id=\"0bcd6dd\" 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\/maelysBB\/dbe66a9834ce31083d51e801db353f53.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-f1d48df elementor-widget elementor-widget-text-editor\" data-id=\"f1d48df\" 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>Python permet \u00e9galement l\u2019utilisation de compr\u00e9hensions sur des dictionnaires appel\u00e9s <strong>Dict Comprehensions<\/strong> :<\/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-04cd40e elementor-widget elementor-widget-shortcode\" data-id=\"04cd40e\" 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\/maelysBB\/5ea0ec0471c215137e26d9d24d67c20d.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-b5c4846 e-flex e-con-boxed e-con\" data-id=\"b5c4846\" 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-d5cb645 elementor-widget elementor-widget-heading\" data-id=\"d5cb645\" 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\">It\u00e9rer sur un Numpy Array<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2913b88 elementor-widget elementor-widget-text-editor\" data-id=\"2913b88\" 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>Il est possible d\u2019it\u00e9rer sur les diff\u00e9rentes dimensions d\u2019un <a href=\"https:\/\/datascientest.com\/numpy\">Numpy<\/a> array gr\u00e2ce \u00e0 des boucles for :<\/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-c1edb36 elementor-widget elementor-widget-shortcode\" data-id=\"c1edb36\" 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\/maelysBB\/83a9a0ac9e4da205267f06f422ac8e4a.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-6b4f3c6 elementor-widget elementor-widget-text-editor\" data-id=\"6b4f3c6\" 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>Gr\u00e2ce \u00e0 la fonction <strong>nditer<\/strong> et une boucle, il est \u00e9galement possible d\u2019acc\u00e9der directement \u00e0 chaque \u00e9l\u00e9ment contenu dans notre <strong>array Numpy<\/strong>.<\/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-b5eebca elementor-widget elementor-widget-shortcode\" data-id=\"b5eebca\" 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\/maelysBB\/e50633f1f57a38ec4f106fca3caceceb.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-070484d e-flex e-con-boxed e-con\" data-id=\"070484d\" 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-7075798 elementor-widget elementor-widget-heading\" data-id=\"7075798\" 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\">It\u00e9rer sur un dataframe Pandas<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ea5374 elementor-widget elementor-widget-text-editor\" data-id=\"1ea5374\" 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>Pour it\u00e9rer sur chaque ligne d\u2019un dataframe <a href=\"https:\/\/datascientest.com\/pandas-python-data-science\">Pandas<\/a>, il est possible d\u2019utiliser iterrows.<\/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-d9e5c17 elementor-widget elementor-widget-shortcode\" data-id=\"d9e5c17\" 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\/maelysBB\/801c3987e27db54f0f8b9bef9992813a.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-1b732bb e-flex e-con-boxed e-con\" data-id=\"1b732bb\" 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-64b941d elementor-widget elementor-widget-heading\" data-id=\"64b941d\" 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\">Quelques mots pour conclure<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab4af8f elementor-widget elementor-widget-text-editor\" data-id=\"ab4af8f\" 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>Au cours de cet article, nous avons vu que les boucles for nous permettent de gagner un temps pr\u00e9cieux et d\u2019optimiser notre code. Nous avons vu comment les utiliser, d\u2019un niveau basique \u00e0 avanc\u00e9. Pour prendre en main cet incontournable de la programmation, n\u2019h\u00e9sitez pas \u00e0 pratiquer et \u00e0 les utiliser sur diff\u00e9rents types d\u2019objets. Les boucles for sont en effet utilis\u00e9es dans tous les <a href=\"https:\/\/datascientest.com\/les-metiers-de-la-data\">m\u00e9tiers de la data<\/a>. Si vous envisagez de vous former \u00e0 un de ces m\u00e9tiers, n\u2019h\u00e9sitez pas \u00e0 consulter <a href=\"https:\/\/datascientest.com\/formations-data\">nos diff\u00e9rents cursus<\/a>.<\/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-105bfca elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"105bfca\" 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\">D\u00e9couvrir nos formations <\/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-2d20aa6 e-flex e-con-boxed e-con\" data-id=\"2d20aa6\" 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-cdefde4 elementor-widget elementor-widget-html\" data-id=\"cdefde4\" 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 qu'une \"boucle for\" ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"En programmation, on parle d\u2019it\u00e9rables pour d\u00e9signer des objets regroupant une collection d\u2019objets qu\u2019on peut parcourir. Parmi les it\u00e9rables on compte entre autres : les listes, les tuples, les dictionnaires ou les strings\u2026 Les boucles for permettent de parcourir des it\u00e9rables et de r\u00e9p\u00e9ter une suite d\u2019instructions pour chaque \u00e9l\u00e9ment. Le code \u00e0 ex\u00e9cuter est alors r\u00e9p\u00e9t\u00e9 autant de fois que le nombre d\u2019\u00e9l\u00e9ments que contient notre it\u00e9rable. En tant qu\u2019essentiel de la programmation, les boucles for sont utilis\u00e9es dans tous les m\u00e9tiers de la data : data analyst, data scientist ou encore data engineer.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Utiliser une boucle pour it\u00e9rer sur une liste avec l\u2019instruction \"For\"\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Nous allons cr\u00e9er une boucle for pour r\u00e9cup\u00e9rer le pr\u00e9nom de chaque \u00e9l\u00e8ve dans une variable \\\"students\\\" de type liste, qui est compos\u00e9e du pr\u00e9nom et du nom des \u00e9l\u00e8ves. Puis, nous ajoutons les pr\u00e9noms \u00e0 la liste \\\"first_names\\\".\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Utiliser des it\u00e9rations imbriqu\u00e9es\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Une boucle imbriqu\u00e9e ou (nested iteration) est une boucle situ\u00e9e \u00e0 l'int\u00e9rieur d'une autre boucle. La boucle imbriqu\u00e9e sera ex\u00e9cut\u00e9e pour chaque it\u00e9ration de la boucle situ\u00e9e au-dessus. Dans l\u2019exemple ci-dessous, nous it\u00e9rons sur chaque pr\u00e9nom de la liste \\\"first_names\\\" qui est de type string. Puis gr\u00e2ce \u00e0 une boucle imbriqu\u00e9e, nous it\u00e9rons sur chaque lettre du pr\u00e9nom et affichons la lettre, son num\u00e9ro, et le num\u00e9ro du pr\u00e9nom \u00e0 laquelle la lettre appartient.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Sortir d\u2019une boucle avec l\u2019instruction Break\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Il est possible de quitter une boucle si une condition particuli\u00e8re est rencontr\u00e9e en utilisant \\\"break\\\". Tant que la condition n\u2019est pas v\u00e9rifi\u00e9e, la boucle est ex\u00e9cut\u00e9e normalement. D\u00e8s que la condition est vraie, le programme sort de la boucle et passe \u00e0 l\u2019instruction apr\u00e8s celle-ci.\"\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>Qu&rsquo;est ce qu&rsquo;une \u00ab\u00a0boucle for\u00a0\u00bb ? En programmation, on parle d\u2019it\u00e9rables pour d\u00e9signer des objets regroupant une collection d\u2019objets qu\u2019on peut parcourir. Parmi les it\u00e9rables on compte entre autres : les listes, les tuples, les dictionnaires ou les strings\u2026 Les boucles for permettent de parcourir des it\u00e9rables et de r\u00e9p\u00e9ter une suite d\u2019instructions pour chaque [&hellip;]<\/p>\n","protected":false},"author":77,"featured_media":181634,"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>Boucle for : Une fonction essentielle de la programmation<\/title>\n<meta name=\"description\" content=\"Dans cet article, nous allons vous montrer comment utiliser l\u2019instruction \u201cfor\u201d sur diff\u00e9rents types d\u2019objets et en quoi les boucles for permettent de r\u00e9pondre au c\u00e9l\u00e8bre adage de programmation \u201cDon&#039;t Repeat Yourself\u201d.\" \/>\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\/fonction-boucle-for\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Boucle for : Une fonction essentielle de la programmation\" \/>\n<meta property=\"og:url\" content=\"https:\/\/datascientest.com\/fonction-boucle-for\" \/>\n<meta property=\"og:site_name\" content=\"Formation Data Science | DataScientest.com\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-16T15:44:18+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-11-09T13:55:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/datascientest.com\/wp-content\/uploads\/2022\/11\/Illu_BLOG_boucles_FOR.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"562\" \/>\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=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/datascientest.com\/fonction-boucle-for\",\"url\":\"https:\/\/datascientest.com\/fonction-boucle-for\",\"name\":\"Boucle for : Une fonction essentielle de la programmation\",\"isPartOf\":{\"@id\":\"https:\/\/datascientest.com\/#website\"},\"datePublished\":\"2022-11-16T15:44:18+00:00\",\"dateModified\":\"2023-11-09T13:55:59+00:00\",\"author\":{\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/6eca16f63daaafcbc96e15549b9d4ee1\"},\"description\":\"Dans cet article, nous allons vous montrer comment utiliser l\u2019instruction \u201cfor\u201d sur diff\u00e9rents types d\u2019objets et en quoi les boucles for permettent de r\u00e9pondre au c\u00e9l\u00e8bre adage de programmation \u201cDon't Repeat Yourself\u201d.\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/datascientest.com\/fonction-boucle-for\"]}]},{\"@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. 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