{"id":38914,"date":"2019-10-31T22:26:43","date_gmt":"2019-10-31T19:26:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/reliz-python-3-8\/"},"modified":"2019-10-31T22:26:43","modified_gmt":"2019-10-31T19:26:43","slug":"reliz-python-3-8","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/reliz-python-3-8","title":{"rendered":"Rilascio di Python 3.8","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Novit\u00e0 pi\u00f9 interessanti:<\/p>\n<ul>\n<li> Espressione di assegnazione:\n<p>Il nuovo operatore := consente di assegnare valori a variabili all'interno delle espressioni. Ad esempio:<br \/>\nif (n := len(a)) &gt; 10:<br \/>\n    print(f&quot;List is too long ({n} elements, expected &lt;= 10)&quot;)\n<\/p>\n<\/li>\n<li> Argomenti solo posizionali:\n<p>Ora \u00e8 possibile specificare quali parametri delle funzioni possono essere passati tramite la sintassi degli argomenti nominati e quali no. Esempio:<br \/>\ndef f(a, b, \/, c, d, *, e, f):<br \/>\n    print(a, b, c, d, e, f)<\/p>\n<p>f(10, 20, 30, d=40, e=50, f=60) # OK<br \/>\nf(10, b=20, c=30, d=40, e=50, f=60)   # errore, `b` non pu\u00f2 essere un argomento nominato<br \/>\nf(10, 20, 30, 40, 50, f=60)           # errore, `e` deve essere un argomento nominato<\/p>\n<p>Questa modifica offre agli sviluppatori un modo per proteggere gli utenti delle loro API da cambiamenti nei nomi degli argomenti delle funzioni.<\/p>\n<\/li>\n<li> Supporto per f-string = per espressioni auto-documentanti e debug:\n<p>Aggiunto zucchero per semplificare i messaggi di debug\/log.<br \/>\nn = 42<br \/>\nprint(f&#8217;Hello world {n=}.&#8217;)<br \/>\n# \u043d\u0430\u043f\u0435\u0447\u0430\u0442\u0430\u0435\u0442 &quot;Hello world n=42.&quot;\n<\/p>\n<\/li>\n<li> Corretto la parola chiave continue nel blocco finally (precedentemente non funzionava).\n<\/li>\n<\/ul>\n<p>Altro:\n<\/p>\n<ul>\n<li> \u00c8 possibile specificare esplicitamente il percorso della cache dei bytecode invece del predefinito __pycache__.\n<\/li>\n<li> Debug e Release utilizzano lo stesso ABI.\n<\/li>\n<\/ul>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/development\/15290190\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u044b\u0435 \u043d\u043e\u0432\u0448\u0435\u0441\u0442\u0432\u0430: \u041f\u0440\u0438\u0441\u0432\u0430\u0438\u0432\u0430\u044e\u0449\u0435\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435: \u041d\u043e\u0432\u044b\u0439 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 := \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u0440\u0438\u0441\u0432\u0430\u0438\u0432\u0430\u0442\u044c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u043c \u0432\u043d\u0443\u0442\u0440\u0438 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0439. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440: if (n := len(a)) &gt; 10: print(f&quot;List is too long ({n} elements, expected &lt;= 10)&quot;) Positional-only \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u044b: \u0422\u0435\u043f\u0435\u0440\u044c \u043c\u043e\u0436\u043d\u043e \u0443\u043a\u0430\u0437\u0430\u0442\u044c, \u043a\u0430\u043a\u0438\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u043c\u043e\u0436\u043d\u043e \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0442\u044c \u0447\u0435\u0440\u0435\u0437 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432, \u0430 \u043a\u0430\u043a\u0438\u0435 \u043d\u0435\u0442. \u041f\u0440\u0438\u043c\u0435\u0440: def f(a, b, \/, c, d, *, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-38914","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u044b\u0435 \u043d\u043e\u0432\u0448\u0435\u0441\u0442\u0432\u0430: \u041f\u0440\u0438\u0441\u0432\u0430\u0438\u0432\u0430\u044e\u0449\u0435\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435:\u041d\u043e\u0432\u044b\u0439 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 := \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u0440\u0438\u0441\u0432\u0430\u0438\u0432\u0430\u0442\u044c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u043c \u0432\u043d\u0443\u0442\u0440\u0438 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0439. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440: if (n := len(a)) &gt; 10: print(f&quot;List is too long ({n} elements, expected\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/reliz-python-3-8\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"it_IT\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0420\u0435\u043b\u0438\u0437 Python 3.8 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u044b\u0435 \u043d\u043e\u0432\u0448\u0435\u0441\u0442\u0432\u0430: \u041f\u0440\u0438\u0441\u0432\u0430\u0438\u0432\u0430\u044e\u0449\u0435\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435:\u041d\u043e\u0432\u044b\u0439 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 := \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u0440\u0438\u0441\u0432\u0430\u0438\u0432\u0430\u0442\u044c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u043c \u0432\u043d\u0443\u0442\u0440\u0438 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0439. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440: if (n := len(a)) &gt; 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Ad esempio: if (n := len(a)) &gt; 10: print(f\"La lista \u00e8 troppo lunga ({n} elementi, previsto","canonical_url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/reliz-python-3-8","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0420\u0435\u043b\u0438\u0437 Python 3.8 | ProHoster","og:description":"\u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u044b\u0435 \u043d\u043e\u0432\u0448\u0435\u0441\u0442\u0432\u0430: \u041f\u0440\u0438\u0441\u0432\u0430\u0438\u0432\u0430\u044e\u0449\u0435\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435:\u041d\u043e\u0432\u044b\u0439 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 := \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u0440\u0438\u0441\u0432\u0430\u0438\u0432\u0430\u0442\u044c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u043c \u0432\u043d\u0443\u0442\u0440\u0438 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0439. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440: if (n := len(a)) &gt; 10: print(f&quot;List is too long ({n} elements, expected","og:url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/reliz-python-3-8","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2019-10-31T19:26:43+00:00","article:modified_time":"2019-10-31T19:26:43+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"38914","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-23 23:56:19","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-03-01 01:00:27","updated":"2026-01-23 23:56:19"},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts\/38914","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/comments?post=38914"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts\/38914\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/media?parent=38914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/categories?post=38914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/tags?post=38914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}