{"id":2084,"date":"2020-02-26T18:21:02","date_gmt":"2020-02-26T17:21:02","guid":{"rendered":"https:\/\/www.mathweb.fr\/euclide\/?page_id=2084"},"modified":"2023-04-16T16:21:18","modified_gmt":"2023-04-16T14:21:18","slug":"utiliser-python","status":"publish","type":"page","link":"https:\/\/www.mathweb.fr\/euclide\/utiliser-python\/","title":{"rendered":"Utiliser Python"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Vous souhaitez vous lancer dans l&rsquo;aventure Python ? Il y a deux options.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"424\" height=\"386\" src=\"https:\/\/www.mathweb.fr\/euclide\/wp-content\/uploads\/2020\/05\/python.png\" alt=\"\" class=\"wp-image-2326\" srcset=\"https:\/\/www.mathweb.fr\/euclide\/wp-content\/uploads\/2020\/05\/python.png 424w, https:\/\/www.mathweb.fr\/euclide\/wp-content\/uploads\/2020\/05\/python-300x273.png 300w\" sizes=\"auto, (max-width: 424px) 100vw, 424px\" \/><figcaption>Langage Python<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">L&rsquo;option \u00ab\u00a0grosse feignasse\u00a0\u00bb de Python<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vous n&rsquo;avez pas envie de vous emb\u00eater avec les diverses configurations et installations de logiciel ? Dans ce cas, optez pour une utilisation de Python en ligne. Il y a plusieurs sites qui vous proposent de coder:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a rel=\"noreferrer noopener\" aria-label=\"https:\/\/repl.it\/languages\/python3 (s\u2019ouvre dans un nouvel onglet)\" href=\"https:\/\/repl.it\/languages\/python3\" target=\"_blank\">Le site Repl.it<\/a><\/li><li><a rel=\"noreferrer noopener\" aria-label=\"https:\/\/www.tutorialspoint.com\/execute_python_online.php (s\u2019ouvre dans un nouvel onglet)\" href=\"https:\/\/www.tutorialspoint.com\/execute_python_online.php\" target=\"_blank\">Codingground<\/a> est une belle interface<\/li><li><a rel=\"noreferrer noopener\" aria-label=\"https:\/\/www.onlinegdb.com\/online_python_compiler (s\u2019ouvre dans un nouvel onglet)\" href=\"https:\/\/www.onlinegdb.com\/online_python_compiler\" target=\"_blank\">Onlinegdb<\/a> offre aussi une interface sympa<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">et ceci est une liste loin d&rsquo;\u00eatre exhaustive !<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L&rsquo;option \u00ab\u00a0mega-pro\u00a0\u00bb Python<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si l&rsquo;installation de logiciels ne vous effraie pas, alors vous pouvez dans un premier temps installer une distribution. Il y a au moins deux possibilit\u00e9s.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Installation standard<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Rendez-vous sur <a rel=\"noreferrer noopener\" aria-label=\"https:\/\/www.python.org\/downloads\/ (s\u2019ouvre dans un nouvel onglet)\" href=\"https:\/\/www.python.org\/downloads\/\" target=\"_blank\">le site officiel<\/a> et t\u00e9l\u00e9chargez la derni\u00e8re version de Python.<\/li><li>Si vous \u00eates sous Windows, v\u00e9rifiez que le chemin vers Python appara\u00eet bien dans le Path. Pour cela, tapez \u00ab\u00a0variables\u00a0\u00bb dans la recherche Windows et s\u00e9lectionnez  \u00ab\u00a0Modifier les variables d&rsquo;environnement syst\u00e8me\u00a0\u00bb, puis cliquez sur le bouton \u00ab\u00a0Variables d&rsquo;environnement&#8230;\u00a0\u00bb en bas de la fen\u00eatre qui appara\u00eet. Double-cliquez sur \u00ab\u00a0Path\u00a0\u00bb dans le premier cadre \u00ab\u00a0Variables utilisateur pour&#8230;\u00a0\u00bb et v\u00e9rifiez que le chemin \u00ab\u00a0C:\\Users\\&lt;utilisateur&gt;\\AppData\\Local\\Programs\\Python\\Python38-32\u00a0\u00bb appara\u00eet (il peut d\u00e9pendre de la version de Python que vous venez d&rsquo;installer). S&rsquo;il n&rsquo;appara\u00eet pas, ajoutez-le.<\/li><li>En tapant \u00ab\u00a0IDLE\u00a0\u00bb dans la recherche Windows, s\u00e9lectionnez \u00ab\u00a0IDLE (Python 3.8 32 bits)\u00a0\u00bb et une fen\u00eatre s&rsquo;ouvre : c&rsquo;est la console Python. Vous pouvez alors coder. Si vous souhaitez \u00e9crire un script, appuyez sur [Ctrl]+[N] pour ouvrir une autre fen\u00eatre et vous pourrez enregistrer votre programme. En appuyant sur [F5], vous pourrez le lancer.<\/li><li>Si vous souhaitez utiliser un autre IDE, consultez <a href=\"https:\/\/www.mathweb.fr\/euclide\/quel-environnement-utiliser-pour-coder-en-python\/\">cette page<\/a>.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Si vous avez opt\u00e9 pour une installation standard, vous pourrez installer des modules en allant dans votre terminal (si vous \u00eates sous Windows, tapez \u00ab\u00a0cmd\u00a0\u00bb dans la recherche Windows et s\u00e9lectionnez \u00ab\u00a0Invite de commandes\u00a0\u00bb pour lancer le terminal) et en tapant par exemple (ici, j&rsquo;ai pris l&rsquo;exemple de l&rsquo;installation du module \u00ab\u00a0numpy\u00a0\u00bb):<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"monokai\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"false\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">pip install numpy<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Installation d&rsquo;anaconda<\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"339\" src=\"https:\/\/www.mathweb.fr\/euclide\/wp-content\/uploads\/2020\/05\/anaconda.png\" alt=\"\" class=\"wp-image-2327\" srcset=\"https:\/\/www.mathweb.fr\/euclide\/wp-content\/uploads\/2020\/05\/anaconda.png 602w, https:\/\/www.mathweb.fr\/euclide\/wp-content\/uploads\/2020\/05\/anaconda-300x169.png 300w, https:\/\/www.mathweb.fr\/euclide\/wp-content\/uploads\/2020\/05\/anaconda-600x338.png 600w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><figcaption>Anaconda et ses satellites<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><em><a rel=\"noreferrer noopener\" aria-label=\"Anaconda (s\u2019ouvre dans un nouvel onglet)\" href=\"https:\/\/www.anaconda.com\/distribution\/\" target=\"_blank\">Anaconda<\/a> <\/em>est une distribution compl\u00e8te (mais tr\u00e8s lourde) qui a cependant l&rsquo;avantage de tout installer en une fois (ce qui peut int\u00e9resser les plus novices). Elle comprend:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>un interpr\u00e9teur Python<\/li><li>un \u00e9diteur (spyder)<\/li><li>et plein d&rsquo;autres logiciels (dont je ne me sers pas, donc je ne peux pas en dire plus) dont Jupyter (qui est utilis\u00e9 dans certains \u00e9tablissements me semble-t-il).<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Je dois tout de m\u00eame vous avertir que cette distribution est tr\u00e8s longue \u00e0 se lancer et que l&rsquo;installation de modules se fait non plus avec \u00ab\u00a0pip\u00a0\u00bb mais \u00ab\u00a0conda\u00a0\u00bb:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"monokai\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"false\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">conda install numpy<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Il faut aussi savoir que si vous avez d\u00e9j\u00e0 install\u00e9 un environnement Python sur votre machine, Anaconda s&rsquo;installera en parall\u00e8le, donc il vous faudra installer une fois de plus tous les modules d\u00e9j\u00e0 install\u00e9s dans l&rsquo;environnement que vous utilisiez jusqu&rsquo;alors.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vous souhaitez vous lancer dans l&rsquo;aventure Python ? Il y a deux options. L&rsquo;option \u00ab\u00a0grosse feignasse\u00a0\u00bb de Python Vous n&rsquo;avez pas envie de vous emb\u00eater avec les diverses configurations et installations de logiciel ? Dans ce cas, optez pour une utilisation de Python en ligne. Il y a plusieurs sites [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2084","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Python (langage) - Mathweb.fr - Comment d\u00e9buter simplement ?<\/title>\n<meta name=\"description\" content=\"Python est le langage enseign\u00e9 en lyc\u00e9e (en France). Il a \u00e9t\u00e9 choisi car c&#039;est le langage le plus facile \u00e0 apprendre. 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