{"id":75,"date":"2021-10-11T17:00:11","date_gmt":"2021-10-11T15:00:11","guid":{"rendered":"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/?p=75"},"modified":"2021-10-19T11:29:53","modified_gmt":"2021-10-19T09:29:53","slug":"les-listes-python","status":"publish","type":"post","link":"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/?p=75","title":{"rendered":"Les listes (python)."},"content":{"rendered":"\n<p>Python n&rsquo;a pas support pour int\u00e9gr\u00e9 pour les tableaux, de ce fait les listes python peuvent \u00eatre utilis\u00e9es \u00e0 la place.<\/p>\n\n\n\n<p>Une liste Python est une variable sp\u00e9ciale qui peut contenir plusieurs variables \u00e0 la fois. Cela permet donc de stocker plusieurs variables dans une seule variable.<\/p>\n\n\n\n<p>Une multitude de possibilit\u00e9s s&rsquo;offre donc \u00e0 nous avec ces listes, nous pouvons parcourir les variables pour en trouver une en se r\u00e9f\u00e9rant \u00e0 un num\u00e9ro d&rsquo;index.<\/p>\n\n\n\n<p>En utilisant len(), on renvoie la longueur d&rsquo;une liste (nombres d&rsquo;\u00e9l\u00e9ments dans un tableaux).<\/p>\n\n\n\n<p>Ils existent plein de m\u00e9thodes pour pouvoir exploiter les listes Python tels que:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image.png\" alt=\"\" class=\"wp-image-76\" width=\"836\" height=\"435\" srcset=\"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image.png 881w, http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-300x156.png 300w, http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-768x400.png 768w\" sizes=\"(max-width: 836px) 100vw, 836px\" \/><\/figure>\n\n\n\n<p>Voici quelques exemples :<\/p>\n\n\n\n<p>1)<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-1.png\" alt=\"\" class=\"wp-image-78\" width=\"403\" height=\"360\" srcset=\"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-1.png 523w, http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-1-300x268.png 300w\" sizes=\"(max-width: 403px) 100vw, 403px\" \/><\/figure>\n\n\n\n<p>Voici un exemple permettant de calculer la moyenne de 5 notes inclues dans une liste.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">notes=[15,12,18,3,19]\n\ndef moyenne1(liste_notes):\n    moy=0\n    nbre=len(liste_notes)\n    for i in range(nbre):\n        moy=moy+liste_notes[i]\n    return moy\/nbre\n\nmoyenne1(notes)<\/pre>\n\n\n\n<p>Exemple d&rsquo;exercice avec les listes.<\/p>\n\n\n\n<p>Ecrire une fonction permettant de calculer la moyenne des notes.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"218\" src=\"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-8-1024x218.png\" alt=\"\" class=\"wp-image-96\" srcset=\"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-8-1024x218.png 1024w, http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-8-300x64.png 300w, http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-8-768x164.png 768w, http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-8.png 1149w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n<p>Voici ci-dessous le m\u00eame exercice avec plusieurs variantes.<\/p>\n<p>\u00a0<\/p>\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"431\" height=\"251\" src=\"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-9.png\" alt=\"\" class=\"wp-image-98\" srcset=\"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-9.png 431w, http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-9-300x175.png 300w\" sizes=\"(max-width: 431px) 100vw, 431px\" \/><figcaption>Ici la contrainte est \u00a0\u00bb Ajouter un devoir ou vous avez \u00e9t\u00e9 absent.\u00a0\u00bbAbs\u00a0\u00bb \u00e0 la place de la note\u00a0\u00bb.<br> <\/figcaption><\/figure>\n\n\n\n<p>Voici un m\u00e9lange des deux exercices dont la consigne est \u00ab\u00a0<strong><em>Vous avez \u00e9t\u00e9 autoris\u00e9 \u00e0 rattraper le devoir .remplacer \u00ab\u00a0Abs\u00a0\u00bb par votre note.puis calculer la moyenne avec les deux fonctions<\/em><\/strong>\u00ab\u00a0.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"374\" height=\"520\" src=\"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-11.png\" alt=\"\" class=\"wp-image-100\" srcset=\"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-11.png 374w, http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/wp-content\/uploads\/sites\/16\/2021\/10\/image-11-216x300.png 216w\" sizes=\"(max-width: 374px) 100vw, 374px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Python n&rsquo;a pas support pour int\u00e9gr\u00e9 pour les tableaux, de ce fait les listes python peuvent \u00eatre utilis\u00e9es \u00e0 la place. Une liste Python est une variable sp\u00e9ciale qui peut contenir plusieurs variables \u00e0 la fois. Cela permet donc de stocker plusieurs variables dans une seule variable. Une multitude de possibilit\u00e9s s&rsquo;offre donc \u00e0 nous [&hellip;]<\/p>\n","protected":false},"author":16,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/index.php?rest_route=\/wp\/v2\/posts\/75"}],"collection":[{"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/index.php?rest_route=\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=75"}],"version-history":[{"count":7,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/index.php?rest_route=\/wp\/v2\/posts\/75\/revisions"}],"predecessor-version":[{"id":104,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/index.php?rest_route=\/wp\/v2\/posts\/75\/revisions\/104"}],"wp:attachment":[{"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=75"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=75"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lukas\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=75"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}