{"id":232,"date":"2010-08-01T14:53:15","date_gmt":"2010-08-01T12:53:15","guid":{"rendered":"http:\/\/wordpress.callac.online\/index.php\/les-entrees-sorties-en-python\/"},"modified":"2022-01-05T22:41:54","modified_gmt":"2022-01-05T21:41:54","slug":"les-entrees-sorties-en-python","status":"publish","type":"page","link":"https:\/\/wordpress.callac.online\/index.php\/python\/generalites-sur-python\/les-entrees-sorties-en-python\/","title":{"rendered":"Les entr\u00e9es\/sorties (en Python)"},"content":{"rendered":"<h2>Les entr\u00e9es<\/h2>\n<hr \/>\n<p>Dans un programme, il est tr\u00e8s pratique de pouvoir demander \u00e0 l&rsquo;utilisateur de saisir une cha\u00eene de caract\u00e8res.<\/p>\n<p>Pour cela, Python dispose d&rsquo;une instruction : <em>input()<\/em>. L&rsquo;instruction <em>raw_input()<\/em> n&rsquo;existe plus depuis Python.<\/p>\n<p><strong>input() <\/strong><\/p>\n<p>Cette instruction va renvoyer une cha\u00eene de caract\u00e8res.<\/p>\n<p>Ainsi, si l&rsquo;utilisateur tape l&rsquo;entier 25, le r\u00e9sultat initial est &rsquo;25&rsquo;.<\/p>\n<p>Si on veut convertir la cha\u00eene de caract\u00e8res en un entier, on pourra alors utiliser la fonction <em>int()<\/em>.<\/p>\n<p>Une mani\u00e8re moins pr\u00e9cise consiste \u00e0 laisser Python choisir le type avec la fonction <em>eval()<\/em>.<\/p>\n<p><strong>* Des exemples d&rsquo;utilisation<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">&gt;&gt;&gt; mot1=input()\nFrance\n&gt;&gt;&gt; print(mot1)\nFrance\n&gt;&gt;&gt; mot2=input(\"Entrez un pays : \")\nEntrez un pays : Japon\n&gt;&gt;&gt; print(mot2)\nJapon\n&gt;&gt;&gt; nombre1=int(input(\"Entrez un nombre : \"))\nEntrez un nombre : 12\n&gt;&gt;&gt; nombre1+13\n25<\/pre>\n<h2>Les sorties<\/h2>\n<hr \/>\n<p>L&rsquo;instruction principale est <em>print<\/em> qui permet d&rsquo;afficher surtout des cha\u00eenes de caract\u00e8res.<\/p>\n<p>Cependant, comme pour l&rsquo;instruction <em>input()<\/em>, si on lui demande d&rsquo;afficher un entier, il va automatiquement convertir l&rsquo;entier en cha\u00eene de caract\u00e8res pour pouvoir l&rsquo;afficher.<\/p>\n<p>Encore une fois, il est plus clair d&rsquo;\u00e9crire cette conversion en utilisant l&rsquo;instruction <em>repr()<\/em>.<\/p>\n<p>A noter que l&rsquo;instruction <em>print<\/em> provoque un saut de ligne (comportement par d\u00e9faut). Pour \u00e9crire une suite de cha\u00eenes de caract\u00e8res, on pourra utiliser la concat\u00e9nation de cha\u00eenes en utilisant l&rsquo;op\u00e9rateur \u00ab\u00a0+\u00a0\u00bb.<\/p>\n<p><strong>* Des exemples d&rsquo;utilisation<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">&gt;&gt;&gt; mot1=\"Romane\"\n&gt;&gt;&gt; print(mot1)\nRomane\n&gt;&gt;&gt; mot2=\"Lucie\"\n&gt;&gt;&gt; print(mot2)\nLucie\n&gt;&gt;&gt; print(mot1 + \" et \"+ mot2)\nRomane et Lucie<\/pre>\n<p><iframe loading=\"lazy\" src=\"https:\/\/trinket.io\/embed\/python\/402d08837c?toggleCode=true\" width=\"100%\" height=\"600\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><a href=\"https:\/\/filedn.com\/lpKG7uY9hIHVel5exA5Ik80\/Wordpress\/Python\/Coderunner\/A\/questionsA.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Des exercices<\/a> faits avec Coderunner<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les entr\u00e9es Dans un programme, il est tr\u00e8s pratique de pouvoir demander \u00e0 l&rsquo;utilisateur de saisir une cha\u00eene de caract\u00e8res. Pour cela, Python dispose d&rsquo;une instruction : input(). L&rsquo;instruction raw_input()&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1649,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-232","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les entr\u00e9es\/sorties (en Python) - Maths &amp; Num\u00e9rique<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wordpress.callac.online\/index.php\/python\/generalites-sur-python\/les-entrees-sorties-en-python\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les entr\u00e9es\/sorties (en Python) - Maths &amp; Num\u00e9rique\" \/>\n<meta property=\"og:description\" content=\"Les entr\u00e9es Dans un programme, il est tr\u00e8s pratique de pouvoir demander \u00e0 l&rsquo;utilisateur de saisir une cha\u00eene de caract\u00e8res. 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Pour cela, Python dispose d&rsquo;une instruction : input(). 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