{"id":3078,"date":"2026-03-02T09:20:49","date_gmt":"2026-03-02T08:20:49","guid":{"rendered":"https:\/\/labodemaths.fr\/WordPress3\/?p=3078"},"modified":"2026-03-02T11:54:50","modified_gmt":"2026-03-02T10:54:50","slug":"nsi-liste-de-listes","status":"publish","type":"post","link":"https:\/\/labodemaths.fr\/WordPress3\/nsi-liste-de-listes\/","title":{"rendered":"Nsi: liste de listes"},"content":{"rendered":"\n<p>Exercice<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from random import *\ndef grille_aleatoire(l,h):\n    '''\n    renvoie une liste al\u00e9atoire de 0\n    et de 1 de dimensions l et h\n    >>>grille_aleatoire(3,2)\n    &#91;&#91;1,0,1],&#91;0,0,1]]\n    '''\n    grille=&#91;]\n    for i in range(h):\n        ligne=&#91;]\n        for j in range(l):\n            ligne.append(randint(0,1))\n        grille.append(ligne)\n    return grille\n    \ndef grille_aleatoire1(l,h):\n    return &#91;&#91;randint(0,1) for j in range(l)] for i in range(h)]\n       \ndef compteur(grille):\n    '''\n    renvoie le nombre de 1 dans cette grille\n    >>>compteur(&#91;&#91;1,0,1],&#91;0,0,1]])\n    3\n    '''\n    c=0\n    for ligne in grille:\n        for val in ligne:\n            if val==1:\n                c+=1\n    return c\n\ndef negatif(grille):\n    '''\n    permute les 1 et 0 dans une grille\n    >>>negatif(&#91;&#91;1,0,1],&#91;0,0,1]])\n    &#91;&#91;0,1,0],&#91;1,1,0]]\n    '''\n    g=&#91;]\n    for ligne in grille:\n        l=&#91;]\n        for val in ligne:\n            if val==1:\n                l.append(0)\n            else :\n                l.append(1)\n        g.append(l)\n    return g\n    \ndef croix(n):\n    '''\n    n est un entier impair\n    return : grille de dimensions n*n ressemblant\n    \u00e0 un croix\n    >>>croix(5)\n    &#91;&#91;0,0,1,0,0],&#91;0,0,1,0,0],&#91;1,1,1,1,1],&#91;0,0,1,0,0],&#91;0,0,1,0,0]]\n    '''\n    \n\n\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Exercice<\/p>\n","protected":false},"author":2,"featured_media":0,"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\/3078"}],"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=3078"}],"version-history":[{"count":6,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/posts\/3078\/revisions"}],"predecessor-version":[{"id":3084,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/posts\/3078\/revisions\/3084"}],"wp:attachment":[{"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/media?parent=3078"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/categories?post=3078"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/labodemaths.fr\/WordPress3\/wp-json\/wp\/v2\/tags?post=3078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}