{"id":2575,"date":"2024-11-04T11:10:13","date_gmt":"2024-11-04T10:10:13","guid":{"rendered":"https:\/\/labodemaths.fr\/WordPress3\/?p=2575"},"modified":"2024-11-07T13:52:37","modified_gmt":"2024-11-07T12:52:37","slug":"entrainement-ds","status":"publish","type":"post","link":"https:\/\/labodemaths.fr\/WordPress3\/entrainement-ds\/","title":{"rendered":"Entrainement ds"},"content":{"rendered":"\n<p>Exercice 1<\/p>\n\n\n\n<p>On consid\u00e8re un tuple contenant des notes et leurs coefficients :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>notes=((12,5),(15,1),(8,1))<\/code><\/pre>\n\n\n\n<p>Ecrire une fonction permettant de calculer la moyenne pond\u00e9r\u00e9e de ces notes :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def moyenne(notes):\n    '''\n    retourne la moyenne pond\u00e9r\u00e9e\n    &gt;&gt;&gt;notes=((12,5),(15,1),(8,1))\n    &gt;&gt;&gt;moyenne(notes)\n    11.857142857142858\n    '''<\/code><\/pre>\n\n\n\n<p>Exercice 2<\/p>\n\n\n\n<p>On consid\u00e8re un ensemble de villes et leurs populations.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>villes=((\"Lille\",252),(\"Paris\",800),(\"Marseille\",300))<\/code><\/pre>\n\n\n\n<p>Ecrire une fonction renvoyant le nom de la ville la plus peupl\u00e9e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def ville_la_plus_peuplee(villes):\n    '''\n    &gt;&gt;&gt;ville_la_plus_peuplee(villes)\n    \"Paris\"\n    '''<\/code><\/pre>\n\n\n\n<p>Exercice 3 et 4 et correction<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>A=(3,-5)\r\nB=(-1,12)\r\n\r\ndef vecteur(A,B):\r\n    return (B&#91;0]-A&#91;0],B&#91;1]-A&#91;1] )\r\n    \r\ndef milieu(A,B):\r\n    return ((B&#91;0]+A&#91;0])\/2,(B&#91;1]+A&#91;1])\/2 )\r\n\r\ncodage=((\"A\",\"Z\"),(\"B\",\"Q\"),(\"C\",\"7\"))\r\ndef code(texte):\r\n    texte_code=\"\"\r\n    for carac in texte:\r\n        caractere_code=carac\r\n        for code in codage:\r\n            if carac==code&#91;0]:\r\n                caractere_code=code&#91;1]\r\n        texte_code+=caractere_code\r\n    return texte_code<\/code><\/pre>\n\n\n\n<p>P<strong>roposition de correction<\/strong> <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>notes=((12,5),(15,1),(8,1))\ndef moyenne(notes):\n    somme_notes=0\n    somme_coeff=0\n    for note in notes:\n        val_note=note&#91;0]\n        coeff_note=note&#91;1]\n        somme_notes+=val_note*coeff_note\n        somme_coeff+=coeff_note\n    return somme_notes\/somme_coeff\n\nvilles=((\"Tokyo\",855),(\"Lille\",252),(\"Paris\",800),(\"Marseille\",300))\n    \ndef ville_la_plus_peuplee(villes):\n    max_ville=villes&#91;0]&#91;1]\n    nom_ville_max=villes&#91;0]&#91;0]\n    for ville in villes:\n        if ville&#91;1]&gt;max_ville:\n            max_ville=ville&#91;1]\n            nom_ville_max=ville&#91;0]\n    return nom_ville_max\n    \n    \n<\/code><\/pre>\n\n\n\n<p><strong>Sujet et correction derni\u00e8re interrogation sur les cha\u00eenes de caract\u00e8res :<\/strong><\/p>\n\n\n\n<div class=\"wp-block-file\"><object class=\"wp-block-file__embed\" data=\"https:\/\/labodemaths.fr\/WordPress3\/wp-content\/uploads\/2024\/11\/correction_Interrogation2-NSI-fonctions-et-chai\u0302nes-de-caracte\u0300res_V2-copie-1.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Contenu embarqu\u00e9 correction_Interrogation2-NSI-fonctions-et-chai\u0302nes-de-caracte\u0300res_V2-copie-1.\"><\/object><a href=\"https:\/\/labodemaths.fr\/WordPress3\/wp-content\/uploads\/2024\/11\/correction_Interrogation2-NSI-fonctions-et-chai\u0302nes-de-caracte\u0300res_V2-copie-1.pdf\">correction_Interrogation2-NSI-fonctions-et-chai\u0302nes-de-caracte\u0300res_V2-copie-1<\/a><a href=\"https:\/\/labodemaths.fr\/WordPress3\/wp-content\/uploads\/2024\/11\/correction_Interrogation2-NSI-fonctions-et-chai\u0302nes-de-caracte\u0300res_V2-copie-1.pdf\" class=\"wp-block-file__button\" download>T\u00e9l\u00e9charger<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Exercice 1 On consid\u00e8re un tuple contenant des notes et leurs coefficients : Ecrire une&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/labodemaths.fr\/WordPress3\/entrainement-ds\/\">Read the post<span class=\"screen-reader-text\">Entrainement ds<\/span><\/a><\/div>\n","protected":false},"author":2,"featured_media":2135,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[57],"tags":[],"_links":{"self":[{"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/posts\/2575"}],"collection":[{"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/comments?post=2575"}],"version-history":[{"count":4,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/posts\/2575\/revisions"}],"predecessor-version":[{"id":2583,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/posts\/2575\/revisions\/2583"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/media\/2135"}],"wp:attachment":[{"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/media?parent=2575"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/categories?post=2575"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/tags?post=2575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}