{"id":2319,"date":"2021-11-03T16:50:55","date_gmt":"2021-11-03T16:50:55","guid":{"rendered":"https:\/\/otus.ru\/journal\/?p=2319"},"modified":"2021-11-03T16:52:42","modified_gmt":"2021-11-03T16:52:42","slug":"polimorfizm-v-pajton","status":"publish","type":"post","link":"https:\/\/otus.ru\/journal\/polimorfizm-v-pajton\/","title":{"rendered":"\u041f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u0432 \u00ab\u041f\u0430\u0439\u0442\u043e\u043d\u00bb"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_61 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/otus.ru\/journal\/polimorfizm-v-pajton\/#%D0%9F%D0%BE%D0%BB%D0%B8%D0%BC%D0%BE%D1%80%D1%84%D0%B8%D0%B7%D0%BC_%D0%B2_%D0%9E%D0%9E%D0%9F_%E2%80%94_%D1%87%D1%82%D0%BE_%D1%8D%D1%82%D0%BE\" title=\"\u041f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u0432 \u041e\u041e\u041f \u2014 \u0447\u0442\u043e \u044d\u0442\u043e?\">\u041f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u0432 \u041e\u041e\u041f \u2014 \u0447\u0442\u043e \u044d\u0442\u043e?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/otus.ru\/journal\/polimorfizm-v-pajton\/#%D0%9F%D1%80%D0%B8%D0%BC%D0%B5%D1%80_%E2%84%96_1\" title=\"\u041f\u0440\u0438\u043c\u0435\u0440 \u2116 1\">\u041f\u0440\u0438\u043c\u0435\u0440 \u2116 1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/otus.ru\/journal\/polimorfizm-v-pajton\/#%D0%9F%D1%80%D0%B8%D0%BC%D0%B5%D1%80_%E2%84%96_2\" title=\"\u041f\u0440\u0438\u043c\u0435\u0440 \u2116 2\">\u041f\u0440\u0438\u043c\u0435\u0440 \u2116 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/otus.ru\/journal\/polimorfizm-v-pajton\/#%D0%9F%D1%80%D0%B8%D0%BC%D0%B5%D1%80_%E2%84%96_3\" title=\"\u041f\u0440\u0438\u043c\u0435\u0440 \u2116 3\">\u041f\u0440\u0438\u043c\u0435\u0440 \u2116 3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/otus.ru\/journal\/polimorfizm-v-pajton\/#%D0%9F%D1%80%D0%B8%D0%BC%D0%B5%D1%80_%E2%84%96_4\" title=\"\u041f\u0440\u0438\u043c\u0435\u0440 \u2116 4\">\u041f\u0440\u0438\u043c\u0435\u0440 \u2116 4<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\"><strong>\u041f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c<\/strong> \u2014 \u0432\u0430\u0436\u043d\u044b\u0439 \u043f\u0440\u0438\u043d\u0446\u0438\u043f \u043e\u0431\u044a\u0435\u043a\u0442\u043d\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. \u0415\u0433\u043e \u0437\u043d\u0430\u043d\u0438\u0435 \u0447\u0430\u0441\u0442\u043e \u0442\u0440\u0435\u0431\u0443\u044e\u0442 \u043d\u0430 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u043e\u0431\u0435\u0441\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f\u0445, \u043f\u0440\u0438\u0447\u0435\u043c \u0441\u043e\u0438\u0441\u043a\u0430\u0442\u0435\u043b\u044f \u0432\u0441\u0435\u0433\u0434\u0430 \u043c\u043e\u0433\u0443\u0442 \u0441\u043f\u0440\u043e\u0441\u0438\u0442\u044c \u043a\u0430\u043a \u043f\u0440\u043e \u043f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u0432 \u043e\u0431\u0449\u0438\u0445 \u0447\u0435\u0440\u0442\u0430\u0445, \u0442\u0430\u043a \u0438 \u043f\u0440\u043e \u0435\u0433\u043e \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0443 \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043d\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u043c \u044f\u0437\u044b\u043a\u0435 (\u0440\u0435\u0447\u044c \u0438\u0434\u0435\u0442 \u043e \u043f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c\u0435 \u0432 <strong>Java<\/strong>, <strong>\u00ab\u041f\u0438\u0442\u043e\u043d\u0435\u00bb<\/strong> \u0438 \u0442. \u043f.). \u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043c\u044b \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043c\u0441\u044f \u043d\u0430 \u043f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c\u0435 \u0432 Python, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u0430 \u041e\u041e\u041f \u043d\u0430 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u043f\u0440\u0438\u043c\u0435\u0440\u0430\u0445.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%D0%9F%D0%BE%D0%BB%D0%B8%D0%BC%D0%BE%D1%80%D1%84%D0%B8%D0%B7%D0%BC_%D0%B2_%D0%9E%D0%9E%D0%9F_%E2%80%94_%D1%87%D1%82%D0%BE_%D1%8D%D1%82%D0%BE\"><\/span>\u041f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u0432 \u041e\u041e\u041f \u2014 \u0447\u0442\u043e \u044d\u0442\u043e?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0415\u0441\u043b\u0438 \u0433\u043e\u0432\u043e\u0440\u0438\u0442\u044c \u0431\u0443\u043a\u0432\u0430\u043b\u044c\u043d\u043e, \u0442\u043e \u0441\u043b\u043e\u0432\u043e polymorphism \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \u00ab\u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u0444\u043e\u0440\u043c\u00bb.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"350\" height=\"380\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/1.jpg\" alt=\"\u041f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u0432 \u00ab\u041f\u0430\u0439\u0442\u043e\u043d\u00bb\" class=\"wp-image-2322\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/1.jpg 350w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/1-276x300.jpg 276w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/1-138x150.jpg 138w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/1.jpg\",\"width\":\"350\",\"height\":\"380\"}<\/script><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u043e \u0435\u0441\u0442\u044c \u043e\u0434\u0438\u043d \u0438 \u0442\u043e\u0442 \u0436\u0435 \u0447\u0435\u043b\u043e\u0432\u0435\u043a \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0442\u044c \u043c\u043d\u043e\u0433\u043e \u0444\u043e\u0440\u043c \u043f\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0440\u043e\u043b\u0435\u0439 \u0430\u043a\u0442\u0435\u0440\u0430 \u0432 \u0442\u0435\u0430\u0442\u0440\u0435. \u0422\u0430\u043a \u0438 \u043a\u043e\u0434 \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u2014 \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044e \u0432\u044b\u0448\u0435\u0443\u043f\u043e\u043c\u044f\u043d\u0443\u0442\u043e\u0433\u043e \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u0430 \u041e\u041e\u041f, \u043a\u043e\u0434 \u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u0441\u044f \u0431\u043e\u043b\u0435\u0435 \u0433\u0438\u0431\u043a\u0438\u043c, \u0432\u0435\u0434\u044c \u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043e\u0434\u043d\u0443 \u0438 \u0442\u0443 \u0436\u0435 \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u044c (method, \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u043b\u0438\u0431\u043e \u043e\u0431\u044a\u0435\u043a\u0442) \u0434\u043b\u044f \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u043d\u044b\u0445 \u0442\u0438\u043f\u043e\u0432 \u0432 \u0440\u0430\u0437\u043d\u044b\u0445 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u044f\u0445.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%D0%9F%D1%80%D0%B8%D0%BC%D0%B5%D1%80_%E2%84%96_1\"><\/span>\u041f\u0440\u0438\u043c\u0435\u0440 \u2116 1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0425\u043e\u0440\u043e\u0448\u043e \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e, \u0447\u0442\u043e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u201c+\u201d&nbsp;\u043d\u0435\u0440\u0435\u0434\u043a\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442 \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430\u0445, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 Python. \u041d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u044d\u0442\u043e\u0442 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u043c\u043e\u0436\u043d\u043e \u043f\u043e-\u0440\u0430\u0437\u043d\u043e\u043c\u0443.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0415\u0441\u043b\u0438 \u043c\u044b \u0433\u043e\u0432\u043e\u0440\u0438\u043c \u043e \u0446\u0435\u043b\u043e\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u044b\u0445 \u0442\u0438\u043f\u0430\u0445 \u0434\u0430\u043d\u043d\u044b\u0445, \u0442\u043e \u043c\u044b \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c \u201c+\u201d \u0432 \u0446\u0435\u043b\u044f\u0445 \u0441\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u043d\u0434\u043e\u0432:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>number1 = 1\nnumber2 = 2\nprint(number1 + number2)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0430\u043a\u0430\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u0432\u044b\u0432\u0435\u0434\u0435\u0442 \u043d\u0430 \u044d\u043a\u0440\u0430\u043d \u0446\u0438\u0444\u0440\u0443 3. \u042d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u0440\u043d\u043e, \u0412\u0430\u0442\u0441\u043e\u043d!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0434\u043d\u0430\u043a\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c \u201c+\u201d \u043c\u043e\u0436\u043d\u043e \u0438 \u0434\u043b\u044f \u043a\u043e\u043d\u043a\u0430\u0442\u0435\u043d\u0430\u0446\u0438\u0438 \u0441\u0442\u0440\u043e\u043a:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>string1 = \"Hello,\"\nstring2 = \"Otus!\"\nprint(string1+\" \"+string2)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043e\u0447\u0435\u0432\u0438\u0434\u0435\u043d \u0438 \u0437\u0434\u0435\u0441\u044c:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Hello Otus!<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041a\u0430\u043a\u043e\u0439 \u0436\u0435 \u0432\u044b\u0432\u043e\u0434 \u043c\u043e\u0436\u043d\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0438\u0437 \u0432\u044b\u0448\u0435\u0441\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0433\u043e? \u0423 \u043d\u0430\u0441 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0435\u0434\u0438\u043d\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440&nbsp;\u201c+\u201d, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431\u0435\u043d&nbsp;\u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c <strong>\u0440\u0430\u0437\u043d\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0434\u043b\u044f \u0440\u0430\u0437\u043d\u044b\u0445 \u0442\u0438\u043f\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445<\/strong>. \u042d\u0442\u043e \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0434\u043d\u0438\u043c \u0438\u0437 \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043f\u0440\u043e\u0441\u0442\u044b\u0445 \u043f\u0440\u0438\u043c\u0435\u0440\u043e\u0432 \u043f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c\u0430 \u043d\u0430 \u00ab\u041f\u0430\u0439\u0442\u043e\u043d\u00bb.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%D0%9F%D1%80%D0%B8%D0%BC%D0%B5%D1%80_%E2%84%96_2\"><\/span>\u041f\u0440\u0438\u043c\u0435\u0440 \u2116 2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412 \u044f\u0437\u044b\u043a\u0435 Python \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u0438, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b\u0435 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0442\u044c \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u044b \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0442\u0438\u043f\u043e\u0432. \u041f\u0440\u0438\u043c\u0435\u0440 \u0442\u0430\u043a\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u2014&nbsp;<code>len()<\/code>. \u041e\u043d\u0430 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u0430 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0442\u044c \u0440\u0430\u0437\u043d\u044b\u0435 \u0442\u0438\u043f\u044b \u0434\u0430\u043d\u043d\u044b\u0445. \u0420\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u044d\u0442\u043e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>print(len(\"\u041e\u041e\u041f-\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435\"))\nprint(len(&#91;\"Python\", \"Java\", \"C#\", \"Scala\", \"C++\"]))\nprint(len({\"\u0413\u0434\u0435 \u0438\u0437\u0443\u0447\u0438\u0442\u044c?\": \"\u0412 Otus\", \"\u041a\u0430\u043a \u043f\u0440\u043e\u0445\u043e\u0434\u044f\u0442 \u0437\u0430\u043d\u044f\u0442\u0438\u044f?\": \"\u041e\u043d\u043b\u0430\u0439\u043d\"}))<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u044b\u0432\u043e\u0434 \u0431\u0443\u0434\u0435\u0442 \u043d\u0435\u043e\u0431\u044b\u0447\u0435\u043d, \u043d\u043e \u0435\u0441\u043b\u0438 \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u0442\u044c\u0441\u044f, \u0442\u043e \u0432\u0441\u0435 \u043f\u0440\u043e\u0441\u0442\u043e:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>20\n 5\n 2<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u0447\u0438\u043d\u0430 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u0444\u0443\u043d\u043a\u0446\u0438\u044f <code>len()<\/code> \u043c\u043e\u0436\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 \u0440\u0430\u0437\u043d\u044b\u043c\u0438 \u0442\u0438\u043f\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445: \u0441\u0442\u0440\u043e\u043a\u043e\u0439, \u0441\u043f\u0438\u0441\u043a\u043e\u043c, \u043a\u043e\u0440\u0442\u0435\u0436\u0435\u043c, \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e\u043c, \u0441\u043b\u043e\u0432\u0430\u0440\u0435\u043c. \u0412 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u0432 \u043d\u0430\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u043e\u0434\u043d\u0430 \u0438 \u0442\u0430 \u0436\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u044f \u043a\u0430\u0436\u0434\u044b\u0439 \u0440\u0430\u0437 \u0432\u043e\u0437\u0432\u0440\u0430\u0442\u0438\u043b\u0430 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u0443\u044e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0442\u0438\u043f\u0430 \u0434\u0430\u043d\u043d\u044b\u0445:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u043f\u043e\u0441\u0447\u0438\u0442\u0430\u043b\u0430 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0431\u0443\u043a\u0432 \u0432 \u0441\u043b\u043e\u0432\u0435 \u00ab\u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435\u00bb;<\/li><li>\u043f\u043e\u0441\u0447\u0438\u0442\u0430\u043b\u0430 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0441\u043b\u043e\u0432 \u0432 \u0441\u043f\u0438\u0441\u043a\u0435;<\/li><li>\u043f\u043e\u0441\u0447\u0438\u0442\u0430\u043b\u0430 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043a\u043b\u044e\u0447\u0435\u0439 \u0432 \u0441\u043b\u043e\u0432\u0430\u0440\u0435.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"637\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/1-1024x637.png\" alt=\"\u041f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u0432 \u00ab\u041f\u0430\u0439\u0442\u043e\u043d\u00bb\" class=\"wp-image-2323\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/1-1024x637.png 1024w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/1-300x187.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/1-150x93.png 150w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/1-768x478.png 768w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/1.png 1118w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/1-1024x637.png\",\"width\":\"1024\",\"height\":\"637\"}<\/script><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%D0%9F%D1%80%D0%B8%D0%BC%D0%B5%D1%80_%E2%84%96_3\"><\/span>\u041f\u0440\u0438\u043c\u0435\u0440 \u2116 3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0430\u043a \u043a\u0430\u043a \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0435 \u043a\u043b\u0430\u0441\u0441\u044b \u0432 \u00ab\u041f\u0438\u0442\u043e\u043d\u0435\u00bb \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b \u0438\u043c\u0435\u0442\u044c \u043c\u0435\u0442\u043e\u0434\u044b \u0441 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u043c \u0438\u043c\u0435\u043d\u0435\u043c, \u0442\u043e \u0438\u0434\u0435\u044f \u0432\u043f\u043e\u043b\u043d\u0435 \u043f\u043e\u0434\u0445\u043e\u0434\u0438\u0442 \u0438 \u0434\u043b\u044f \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0431\u0430\u0437\u043e\u0432\u043e\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430. \u041f\u043e\u0437\u0436\u0435 \u043c\u044b \u043e\u0431\u043e\u0431\u0449\u0438\u043c \u0432\u044b\u0437\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0438 \u043f\u0440\u043e\u0438\u0433\u043d\u043e\u0440\u0438\u0440\u0443\u0435\u043c \u043e\u0431\u044a\u0435\u043a\u0442, \u0441 \u043a\u043e\u0442\u043e\u0440\u044b\u043c \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u043c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u0438\u0436\u0435 \u2014 \u043f\u0440\u0438\u043c\u0435\u0440 \u0442\u0430\u043a\u043e\u0433\u043e \u043f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c\u0430 \u0432 \u043c\u0435\u0442\u043e\u0434\u0430\u0445 \u043a\u043b\u0430\u0441\u0441\u0430:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"807\" height=\"477\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/3.png\" alt=\"\u041f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u0432 \u00ab\u041f\u0430\u0439\u0442\u043e\u043d\u00bb\" class=\"wp-image-2324\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/3.png 807w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/3-300x177.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/3-150x89.png 150w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/3-768x454.png 768w\" sizes=\"auto, (max-width: 807px) 100vw, 807px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/3.png\",\"width\":\"807\",\"height\":\"477\"}<\/script><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043c\u043e\u0442\u0440\u0438\u043c \u0432\u044b\u0432\u043e\u0434 \u0432 \u043a\u043e\u043d\u0441\u043e\u043b\u044c:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u041c\u044f\u0443!\n\u042f \u043a\u043e\u0442. \u041c\u0435\u043d\u044f \u0437\u043e\u0432\u0443\u0442 \u0412\u0430\u0441\u044c\u043a\u0430. \u041c\u043d\u0435 2 \u0433\u043e\u0434\u0430.\n\u041c\u044f\u0443!\n\u0413\u0430\u0432!\n\u042f \u0441\u043e\u0431\u0430\u043a\u0430. \u041c\u0435\u043d\u044f \u0437\u043e\u0432\u0443\u0442 \u041c\u0443\u0445\u0442\u0430\u0440. \u041c\u043d\u0435 3 \u0433\u043e\u0434\u0430.\n\u0413\u0430\u0432!<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0423 \u043d\u0430\u0441 \u0441\u043e\u0437\u0434\u0430\u043d\u043e 2 \u043a\u043b\u0430\u0441\u0441\u0430:&nbsp;<strong>Cat&nbsp;<\/strong>\u0438&nbsp;<strong>Dog<\/strong>. \u0423 \u044d\u0442\u0438\u0445 \u043a\u043b\u0430\u0441\u0441\u043e\u0432 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u043f\u043e\u0445\u043e\u0436\u0430, \u043f\u043b\u044e\u0441 \u043e\u043d\u0438 \u0438\u043c\u0435\u044e\u0442 \u043c\u0435\u0442\u043e\u0434\u044b \u0441 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u043c\u0438 \u0438\u043c\u0435\u043d\u0430\u043c\u0438:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><code>make_sound()<\/code>;<\/li><li><code>info()<\/code>.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u043e \u0441\u0442\u043e\u0438\u0442 \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c, \u0447\u0442\u043e \u043d\u0430\u043c \u043d\u0435 \u043f\u0440\u0438\u0448\u043b\u043e\u0441\u044c \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u043e\u0431\u0449\u0438\u0439 \u043a\u043b\u0430\u0441\u0441-\u0440\u043e\u0434\u0438\u0442\u0435\u043b\u044c, \u043a\u0430\u043a \u0438 \u043d\u0435 \u043f\u0440\u0438\u0448\u043b\u043e\u0441\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u044f\u0442\u044c \u044d\u0442\u0438 \u043a\u043b\u0430\u0441\u0441\u044b \u0432\u043c\u0435\u0441\u0442\u0435 \u043a\u0430\u043a\u0438\u043c-\u043d\u0438\u0431\u0443\u0434\u044c \u0438\u043d\u044b\u043c \u043c\u0435\u0442\u043e\u0434\u043e\u043c. \u0414\u043b\u044f \u043e\u0431\u043e\u0438\u0445 \u0441\u043b\u0443\u0447\u0430\u0435\u0432 \u0443 \u043d\u0430\u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043e\u0431\u0449\u0430\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f <code>animal<\/code>, \u0447\u0442\u043e \u0441\u0442\u0430\u043b\u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u043c \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u043d\u0430\u043b\u0438\u0447\u0438\u044e \u043f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c\u0430.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%D0%9F%D1%80%D0%B8%D0%BC%D0%B5%D1%80_%E2%84%96_4\"><\/span>\u041f\u0440\u0438\u043c\u0435\u0440 \u2116 4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u041a\u0430\u043a \u0438 \u0432 \u043f\u0440\u043e\u0447\u0438\u0445 \u044f\u0437\u044b\u043a\u0430\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f, \u0432 \u00ab\u041f\u0438\u0442\u043e\u043d\u0435\u00bb \u043a\u043b\u0430\u0441\u0441\u044b-\u043f\u043e\u0442\u043e\u043c\u043a\u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u043d\u0430\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0438 \u0430\u0442\u0440\u0438\u0431\u0443\u0442\u043e\u0432 \u0440\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u043e\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430. \u0422\u043e \u0435\u0441\u0442\u044c \u0443 \u043d\u0430\u0441 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0440\u044f\u0434 methods \u0438 attributes, \u0441\u0434\u0435\u043b\u0430\u0432 \u044d\u0442\u043e \u0434\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u043e\u043d\u0438 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u043e\u0432\u0430\u043b\u0438 \u043a\u043b\u0430\u0441\u0441\u0443-\u043f\u043e\u0442\u043e\u043c\u043a\u0443. \u0414\u0430\u043d\u043d\u043e\u0435 \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u043d\u0430\u0437\u044b\u0432\u0430\u044e\u0442 <strong>\u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435\u043c (overriding)<\/strong>. \u0418 \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u043d\u0430\u043b\u0438\u0447\u0438\u044e \u043f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c\u0430 \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u043f\u043e\u043b\u0443\u0447\u0430\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u043c methods \u0438 attributes, \u0438\u043c\u0435\u044e\u0449\u0438\u043c \u0442\u0430\u043a\u043e\u0435 \u0436\u0435 \u0438\u043c\u044f, \u043a\u0430\u043a \u0438 \u0432 parent class.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u043c\u0435\u0440 \u0442\u0430\u043a\u043e\u0433\u043e \u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043d\u0438\u0436\u0435:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from math import pi\nclass Shape:\n    def __init__(self, name):\n        self.name = name\n    def area(self):\n        pass\n    def fact(self):\n        return \"\u042f - \u0434\u0432\u0443\u043c\u0435\u0440\u043d\u0430\u044f \u0444\u0438\u0433\u0443\u0440\u0430\"\n    def __str__(self):\n        return self.name\nclass Square(Shape):\n    def __init__(self, length):\n        super().__init__(\"\u041a\u0432\u0430\u0434\u0440\u0430\u0442\")\n        self.length = length\n    def area(self):\n        return self.length**2\n    def fact(self):\n        return \"\u041b\u044e\u0431\u043e\u0439 \u0443\u0433\u043e\u043b \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0430 \u0440\u0430\u0432\u0435\u043d 90 \u0433\u0440\u0430\u0434\u0443\u0441\u043e\u0432.\"\nclass Circle(Shape):\n    def __init__(self, radius):\n        super().__init__(\"\u041a\u0440\u0443\u0433\")\n        self.radius = radius\n    def area(self):\n        return pi*self.radius**2\na = Square(5)\nb = Circle(8)\nprint(b)\nprint(b.fact())\nprint(a.fact())\nprint(b.area())<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043c\u043e\u0442\u0440\u0438\u043c \u043d\u0430 \u0432\u044b\u0432\u043e\u0434 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u041a\u0440\u0443\u0433\n\u042f - \u0434\u0432\u0443\u043c\u0435\u0440\u043d\u0430\u044f \u0444\u0438\u0433\u0443\u0440\u0430\n\u041b\u044e\u0431\u043e\u0439 \u0443\u0433\u043e\u043b \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0430 \u0440\u0430\u0432\u043d\u044f\u0435\u0442\u0441\u044f 90 \u0433\u0440\u0430\u0434\u0443\u0441\u0430\u043c.\n201.06192982974676<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412 \u0440\u0430\u0431\u043e\u0442\u0435 \u043a\u043e\u0434\u0430 \u043c\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0438 \u043c\u0435\u0442\u043e\u0434\u044b <code>__str__()<\/code> \u2014 \u043e\u043d\u0438 \u043d\u0435 \u0431\u044b\u043b\u0438 \u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u044b \u0432 \u0434\u043e\u0447\u0435\u0440\u043d\u0438\u0445 \u043a\u043b\u0430\u0441\u0441\u0430\u0445 \u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u043d\u0435\u043f\u043e\u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0438\u0437 \u043a\u043b\u0430\u0441\u0441\u0430-\u0440\u043e\u0434\u0438\u0442\u0435\u043b\u044f. \u0422\u043e \u0435\u0441\u0442\u044c \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440 \u00ab\u041f\u0430\u0439\u0442\u043e\u043d\u0430\u00bb \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u043b, \u0447\u0442\u043e \u043c\u0435\u0442\u043e\u0434&nbsp;<code>fact()<\/code>&nbsp;\u0434\u043b\u044f \u043e\u0431\u044a\u0435\u043a\u0442\u0430&nbsp;<code>a<\/code> (class&nbsp;Square) \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u043c. \u0412 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0431\u044b\u043b \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d \u0432 \u043a\u043b\u0430\u0441\u0441\u0435-\u043f\u043e\u0442\u043e\u043c\u043a\u0435.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412 \u044d\u0442\u043e \u0436\u0435 \u0441\u0430\u043c\u043e\u0435 \u0432\u0440\u0435\u043c\u044f, \u043c\u0435\u0442\u043e\u0434&nbsp;<code>fact()<\/code>&nbsp;\u0434\u043b\u044f \u043e\u0431\u044a\u0435\u043a\u0442\u0430&nbsp;<code>b&nbsp;<\/code>\u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u043c \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f, \u0432 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u0447\u0435\u0433\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043c\u0435\u0442\u043e\u0434 \u0441 \u0442\u0430\u043a\u0438\u043c \u0436\u0435 \u0438\u043c\u0435\u043d\u0435\u043c \u0438\u0437 parent class (Shape).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1006\" height=\"952\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/2.png\" alt=\"\u041f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u0432 \u00ab\u041f\u0430\u0439\u0442\u043e\u043d\u00bb\" class=\"wp-image-2325\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/2.png 1006w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/2-300x284.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/2-150x142.png 150w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/2-768x727.png 768w\" sizes=\"auto, (max-width: 1006px) 100vw, 1006px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/2.png\",\"width\":\"1006\",\"height\":\"952\"}<\/script><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u0430\u0436\u043d\u043e \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c, \u0447\u0442\u043e \u0432 \u00ab\u041f\u0438\u0442\u043e\u043d\u0435\u00bb \u043d\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0442\u0430\u043a\u043e\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 <strong>method overriding<\/strong>, \u043a\u0430\u043a \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0441 \u0442\u0435\u043c \u0436\u0435 \u0441\u0430\u043c\u044b\u043c \u0438\u043c\u0435\u043d\u0435\u043c, \u043e\u0434\u043d\u0430\u043a\u043e \u0441 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u0442\u0438\u043f\u0430\u043c\u0438 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u0430\u0434\u0435\u0435\u043c\u0441\u044f, \u0442\u0435\u043f\u0435\u0440\u044c \u0432\u044b \u0437\u043d\u0430\u0435\u0442\u0435 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e, \u0447\u0442\u043e\u0431\u044b \u043f\u0440\u043e\u0439\u0442\u0438 \u0441\u043e\u0431\u0435\u0441\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435. \u0415\u0441\u043b\u0438 \u0436\u0435 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u0443\u044e\u0442 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u043f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c\u0430 \u0432 <strong>Java<\/strong>, \u043c\u043e\u0436\u0435\u0442\u0435 \u043f\u043e\u0447\u0438\u0442\u0430\u0442\u044c, \u043a \u043f\u0440\u0438\u043c\u0435\u0440\u0443, <a href=\"https:\/\/habr.com\/ru\/company\/otus\/blog\/429120\/\">\u044d\u0442\u0443<\/a> \u0441\u0442\u0430\u0442\u044c\u044e. \u0415\u0441\u043b\u0438 \u0436\u0435 \u0445\u043e\u0442\u0438\u0442\u0435 \u043e\u0441\u0432\u043e\u0438\u0442\u044c \u043a\u0430\u043a\u043e\u0439-\u043d\u0438\u0431\u0443\u0434\u044c \u0438\u0437 \u0432\u044b\u0448\u0435\u0443\u043f\u043e\u043c\u044f\u043d\u0443\u0442\u044b\u0445 \u044f\u0437\u044b\u043a\u043e\u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u043c \u0443\u0440\u043e\u0432\u043d\u0435, \u0434\u043e\u0431\u0440\u043e \u043f\u043e\u0436\u0430\u043b\u043e\u0432\u0430\u0442\u044c \u043d\u0430 \u043a\u0443\u0440\u0441\u044b \u0432 Otus!<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/otus.ru\/lessons\/python-professional\/?utm_source=oj&amp;utm_medium=affilate&amp;utm_campaign=python\"><img loading=\"lazy\" decoding=\"async\" width=\"970\" height=\"90\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/Python_970x90-20219-8b1a8e.png\" alt=\"\u041f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u0432 \u00ab\u041f\u0430\u0439\u0442\u043e\u043d\u00bb\" class=\"wp-image-2321\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/Python_970x90-20219-8b1a8e.png 970w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/Python_970x90-20219-8b1a8e-300x28.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/Python_970x90-20219-8b1a8e-150x14.png 150w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/Python_970x90-20219-8b1a8e-768x71.png 768w\" sizes=\"auto, (max-width: 970px) 100vw, 970px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/Python_970x90-20219-8b1a8e.png\",\"width\":\"970\",\"height\":\"90\"}<\/script><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/otus.ru\/lessons\/java-professional\/?utm_source=oj&amp;utm_medium=affilate&amp;utm_campaign=java\"><img loading=\"lazy\" decoding=\"async\" width=\"970\" height=\"90\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/Java_970x90.png\" alt=\"\u041f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u0432 \u00ab\u041f\u0430\u0439\u0442\u043e\u043d\u00bb\" class=\"wp-image-2326\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/Java_970x90.png 970w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/Java_970x90-300x28.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/Java_970x90-150x14.png 150w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/Java_970x90-768x71.png 768w\" sizes=\"auto, (max-width: 970px) 100vw, 970px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/Java_970x90.png\",\"width\":\"970\",\"height\":\"90\"}<\/script><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a \u2014 https:\/\/www.programiz.com\/python-programming\/polymorphism.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u041f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u2014 \u0432\u0430\u0436\u043d\u044b\u0439 \u043f\u0440\u0438\u043d\u0446\u0438\u043f \u043e\u0431\u044a\u0435\u043a\u0442\u043d\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. \u0415\u0433\u043e \u0437\u043d\u0430\u043d\u0438\u0435 \u0447\u0430\u0441\u0442\u043e \u0442\u0440\u0435\u0431\u0443\u044e\u0442 \u043d\u0430 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u043e\u0431\u0435\u0441\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f\u0445, \u043f\u0440\u0438\u0447\u0435\u043c \u0441\u043e\u0438\u0441\u043a\u0430\u0442\u0435\u043b\u044f \u0432\u0441\u0435\u0433\u0434\u0430 \u043c\u043e\u0433\u0443\u0442 \u0441\u043f\u0440\u043e\u0441\u0438\u0442\u044c \u043a\u0430\u043a \u043f\u0440\u043e \u043f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u0432 \u043e\u0431\u0449\u0438\u0445 \u0447\u0435\u0440\u0442\u0430\u0445, \u0442\u0430\u043a \u0438 \u043f\u0440\u043e \u0435\u0433\u043e \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0443 \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043d\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u043c \u044f\u0437\u044b\u043a\u0435 (\u0440\u0435\u0447\u044c \u0438\u0434\u0435\u0442 \u043e \u043f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c\u0435 \u0432 Java, \u00ab\u041f\u0438\u0442\u043e\u043d\u0435\u00bb \u0438 \u0442. \u043f.). \u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043c\u044b \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043c\u0441\u044f \u043d\u0430 \u043f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c\u0435 \u0432 Python, [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":2320,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[27],"class_list":["post-2319","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-polza","tag-python"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u043b\u0438\u043c\u043e\u0440\u0444\u0438\u0437\u043c \u2014 \u0432\u0430\u0436\u043d\u044b\u0439 \u043f\u0440\u0438\u043d\u0446\u0438\u043f \u043e\u0431\u044a\u0435\u043a\u0442\u043d\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. \u0415\u0433\u043e \u0437\u043d\u0430\u043d\u0438\u0435 \u0447\u0430\u0441\u0442\u043e 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