{"id":1402,"date":"2021-09-20T20:32:06","date_gmt":"2021-09-20T19:32:06","guid":{"rendered":"https:\/\/www.lzych.pl\/?p=1402"},"modified":"2022-01-27T22:34:24","modified_gmt":"2022-01-27T21:34:24","slug":"python-tutorial-free-course-for-beginners-7-scope","status":"publish","type":"post","link":"https:\/\/www.lzych.pl\/en\/python-tutorial-free-course-for-beginners-7-scope\/","title":{"rendered":"Python &#8211; bezp\u0142atny kurs dla pocz\u0105tkuj\u0105cych #7, Scope"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1402\" class=\"elementor elementor-1402\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-48fec77 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"48fec77\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b622fb4\" data-id=\"b622fb4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0d2bd7e elementor-widget elementor-widget-heading\" data-id=\"0d2bd7e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Dalej o funkcjach?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-66ebbb7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"66ebbb7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-898c185\" data-id=\"898c185\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1b5acce elementor-widget elementor-widget-text-editor\" data-id=\"1b5acce\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">Ostatnio nauczyli\u015bmy si\u0119 tworzy\u0107 funkcje, poznali\u015bmy ich typy i dowiedzieli\u015bmy si\u0119 jak przekazywa\u0107 do niej argumenty, czyli ca\u0142kiem du\u017co \ud83d\ude42<\/span><\/p><p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">Funkcje, to jednak bardziej rozbudowany temat. Musimy pozna\u0107 jeszcze kolejny istotny element, kt\u00f3ry si\u0119 z nimi wi\u0105\u017ce.<\/span><\/p><p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">P\u00f3\u017aniej mo\u017cemy \u015bwi\u0119towa\u0107 zostanie mistrzami pisania funkcji \ud83d\ude42<\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-9f4fc4e\" data-id=\"9f4fc4e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-53e60db elementor-widget elementor-widget-text-editor\" data-id=\"53e60db\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<div style=\"width:100%;height:0;padding-bottom:43%;position:relative;\"><iframe loading=\"lazy\" src=\"https:\/\/giphy.com\/embed\/aLTFHi2aowjJe\" width=\"100%\" height=\"100%\" style=\"position:absolute\" frameborder=\"0\" class=\"giphy-embed\" allowfullscreen><\/iframe><\/div><p><a href=\"https:\/\/giphy.com\/gifs\/quentin-tarantino-whatever-beard-aLTFHi2aowjJe\">via GIPHY<\/a><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5485c57 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5485c57\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2ac1908\" data-id=\"2ac1908\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d4a8055 elementor-widget elementor-widget-heading\" data-id=\"d4a8055\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Scope<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7cc3550 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7cc3550\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-aec0600\" data-id=\"aec0600\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-34f1a40 elementor-widget elementor-widget-text-editor\" data-id=\"34f1a40\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">W programowaniu mamy wa\u017cn\u0105 zasad\u0119 tzw. \u201cScope\u201d czyli tak na prawd\u0119 zasi\u0119g, w kt\u00f3rym istnieje nasza zmienna \u2013 o zmiennych m\u00f3wili\u015bmy w poprzednich lekcjach, je\u017celi nie pami\u0119tasz to koniecznie tam wr\u00f3\u0107:\u00a0<\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\"><a href=\"https:\/\/www.lzych.pl\/en\/pl\/python-tutorial-free-course-for-beginners-2-variables\/\">Lekcja o zmiennych<\/a><\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">.<\/span><\/p><p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">Wyr\u00f3\u017cniamy:<\/span><\/p><ul><li><span style=\"font-family: 'var e-global-typography-text-font-family', sans-serif;\">local scope \u2013 zasi\u0119g lokalny, kt\u00f3ry ogranicza wszystkie zmienne wewn\u0105trz funkcji, instrukcji warunkowych (na przyk\u0142ad \u2018if\u2019) czy p\u0119tli.<\/span><\/li><li><span style=\"font-family: 'var e-global-typography-text-font-family', sans-serif;\">global scope \u2013 zasi\u0119g globalny, w kt\u00f3rym ka\u017cda funkcja, instrukcja warunkowa, p\u0119tla itd. ma dost\u0119p do zmiennej.<\/span><\/li><\/ul>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-545dc30 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"545dc30\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-09ce0be\" data-id=\"09ce0be\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a587599 elementor-widget elementor-widget-text-editor\" data-id=\"a587599\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\"><strong>Co to oznacza?<\/strong><\/span><\/p><p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">To oznacza, \u017ce jak zadeklarujemy zmienn\u0105 w funkcji, instrukcji warunkowej czy p\u0119tli, to tylko i wy\u0142\u0105cznie tam b\u0119dzie dost\u0119pna.<\/span><\/p><p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">Je\u017celi zadeklarujemy zmienn\u0105 w scopie globalnym, to wsz\u0119dzie b\u0119dzie do niej dost\u0119p.<\/span><\/p><p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">Z zasi\u0119giem jest jak z Vegas: \u201cCo si\u0119 sta\u0142o w Vegas, zostaje w Vegas\u201d tak i u nas: \u201cco si\u0119 zadeklarowa\u0142o w scopie funkcji, zostaje w funkcji \ud83d\ude09<\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-897e25a\" data-id=\"897e25a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e625b0a elementor-widget elementor-widget-text-editor\" data-id=\"e625b0a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><img loading=\"lazy\" class=\"size-medium wp-image-1406 aligncenter\" src=\"https:\/\/www.lzych.pl\/wp-content\/uploads\/2021\/09\/scope-300x289.png\" alt=\"\" width=\"300\" height=\"289\" srcset=\"https:\/\/www.lzych.pl\/wp-content\/uploads\/2021\/09\/scope-300x289.png 300w, https:\/\/www.lzych.pl\/wp-content\/uploads\/2021\/09\/scope-12x12.png 12w, https:\/\/www.lzych.pl\/wp-content\/uploads\/2021\/09\/scope.png 407w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-53345e7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"53345e7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fa777b1\" data-id=\"fa777b1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3130e28 elementor-widget elementor-widget-text-editor\" data-id=\"3130e28\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<strong>Kilka przyk\u0142ad\u00f3w<\/strong>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-324bbe1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"324bbe1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-0ac6c4a\" data-id=\"0ac6c4a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-26f808c elementor-widget elementor-widget-text-editor\" data-id=\"26f808c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">Deklaruj\u0105c zmienn\u0105 globaln\u0105 deklarujemy j\u0105 poza czymkolwiek co mog\u0142oby j\u0105 ogranicza\u0107. Zwykle znajduje si\u0119 ona wtedy na samej g\u00f3rze pliku.<\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-4ce720e\" data-id=\"4ce720e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5772cb3 elementor-widget elementor-widget-text-editor\" data-id=\"5772cb3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\"># global variable\n# available in the whole file\ncity = 'Warsaw'\n\n\ndef greeting():\n    print(f'Hello from {city}')\n\n\ndef warm_greeting():\n    print(f'Hi from {city}. How are you?')\n\n\ngreeting()\nwarm_greeting()\n\n# result:\n# Hello from Warsaw\n# Hi from Warsaw. How are you?\n<\/pre>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cee13c8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cee13c8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-a5f1f22\" data-id=\"a5f1f22\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0906162 elementor-widget elementor-widget-text-editor\" data-id=\"0906162\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">Zmienna lokalna, nie ma nic wsp\u00f3lnego ze zmienn\u0105 globaln\u0105, mimo \u017ce mo\u017ce si\u0119 tak samo nazywa\u0107.<\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-a671499\" data-id=\"a671499\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-94cd244 elementor-widget elementor-widget-text-editor\" data-id=\"94cd244\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\"># global variable\n# available in the whole file\ncity = 'Warsaw'\n\n\n# function creates it's own local scope\ndef greeting():\n    # this is a local variable which is available here\n    # it's not related to the global 'city' variable above\n    city = 'London'\n    print(f'Hello from {city}')\n\n\n# function creates it's own local scope\ndef warm_greeting():\n    # here we don't have a city variable\n    # so it's taken from the global scope\n    print(f'Hi from {city}. How are you?')\n\n\ngreeting()\nwarm_greeting()\n# result:\n# Hello from London\n# Hi from Warsaw. How are you?\n<\/pre>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d40e02a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d40e02a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7d86b6e\" data-id=\"7d86b6e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-907adda elementor-widget elementor-widget-text-editor\" data-id=\"907adda\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">Nie mamy dost\u0119pu do zmiennych lokalnych poza scopem, w kt\u00f3rym zosta\u0142y zadeklarowane.<\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-3bf6572\" data-id=\"3bf6572\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e281b69 elementor-widget elementor-widget-text-editor\" data-id=\"e281b69\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\"># function creates it's own local scope\ndef greeting():\n    # this is a local variable which is available here\n    city = 'London'\n\n\n# outside a function we are in a global scope\n# in a global scope there is no 'city' variable\nprint(city)\n# this won't work and you will see ERROR\n\n<\/pre>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-edcc371 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"edcc371\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-536145a\" data-id=\"536145a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-af496c4 elementor-widget elementor-widget-text-editor\" data-id=\"af496c4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><span style=\"font-family: Roboto, sans-serif;\"><span style=\"font-size: medium;\"><strong><span style=\"color: #7a7a7a;\">Wa\u017cna uwaga!<\/span><\/strong><\/span><\/span><\/p><p><span style=\"color: #7a7a7a;\"><span style=\"font-family: Roboto, sans-serif;\"><span style=\"font-size: medium;\">Dobr\u0105 praktyk\u0105 programistyczn\u0105 jest nie deklarowa\u0107 lub deklarowa\u0107 jak najmniej zmiennych w scopie globalnym, poniewa\u017c:<\/span><\/span><\/span><\/p><ul><li><span style=\"font-size: medium; font-family: Roboto, sans-serif; color: #7a7a7a;\">je\u017celi przypadkiem t\u0105 zmienn\u0105 usuniemy, zmienimy czy nadpiszemy, to ka\u017cde miejsce, kt\u00f3re u\u017cywa\u0142o tej zmiennej mo\u017ce nie dzia\u0142a\u0107. P\u00f3\u017aniej jest niesamowicie ci\u0119\u017cko wy\u0142apa\u0107 gdzie w naszym kodzie wyst\u0105pi\u0142 b\u0142\u0105d,<\/span><\/li><li>chcemy, aby nasz kod by\u0142 modularny i niezale\u017cny \u2013 tworz\u0105c zmienne globalne uzale\u017cniamy nasze funkcje od czego\u015b co jest poza ni\u0105, a nie chcemy by\u0107 z regu\u0142y zale\u017cni od niczego.<\/li><\/ul><p><span style=\"color: #7a7a7a;\"><span style=\"font-family: Roboto, sans-serif;\"><span style=\"font-size: medium;\">Jak wsz\u0119dzie, najwa\u017cniejszy jest rozs\u0105dek, ale zapami\u0119taj, \u017ce je\u017celi mo\u017cesz to unikaj tworzenia zmiennych globalnych.<\/span><\/span><\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d8b4f8c\" data-id=\"d8b4f8c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9c7b304 elementor-widget elementor-widget-text-editor\" data-id=\"9c7b304\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<div style=\"width:100%;height:0;padding-bottom:100%;position:relative;\"><iframe loading=\"lazy\" src=\"https:\/\/giphy.com\/embed\/7OVSXLwZQm2xhBewpk\" width=\"100%\" height=\"100%\" style=\"position:absolute\" frameborder=\"0\" class=\"giphy-embed\" allowfullscreen><\/iframe><\/div><p><a href=\"https:\/\/giphy.com\/gifs\/watching-i-see-you-7OVSXLwZQm2xhBewpk\">via GIPHY<\/a><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8100f15 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8100f15\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b6a668d\" data-id=\"b6a668d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7c316e9 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7c316e9\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5e68bc4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5e68bc4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c9e17af\" data-id=\"c9e17af\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9cc3021 elementor-widget elementor-widget-text-editor\" data-id=\"9cc3021\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><span style=\"color: #7a7a7a;\"><span style=\"font-family: Roboto, sans-serif;\"><span style=\"font-size: medium;\">Wiesz ju\u017c coraz wi\u0119cej i w\u0142a\u015bnie uda\u0142o Ci si\u0119 pozna\u0107 kolejny wa\u017cny koncept! B\u0119dziesz w stanie lepiej organizowa\u0107 sw\u00f3j kod i rozumie\u0107 co si\u0119 w niej dzieje! Gratulacje! \ud83d\ude42<\/span><\/span><\/span><\/p><p><span style=\"color: #7a7a7a;\"><span style=\"font-family: Roboto, sans-serif;\"><span style=\"font-size: medium;\">Nie zapomnij polubi\u0107\u00a0<\/span><\/span><\/span><a href=\"https:\/\/www.facebook.com\/lz.programming.courses\"><span style=\"color: #7a7a7a;\"><span style=\"font-family: Roboto, sans-serif;\"><span style=\"font-size: medium;\"><strong>stron\u0119 na facebooku<\/strong><\/span><\/span><\/span><\/a><span style=\"color: #7a7a7a;\"><span style=\"font-family: Roboto, sans-serif;\"><span style=\"font-size: medium;\">\u00a0i zapisa\u0107 si\u0119 do\u00a0<\/span><\/span><\/span><a href=\"https:\/\/www.lzych.pl\/en\/pl\/blog\/\"><span style=\"color: #7a7a7a;\"><span style=\"font-family: Roboto, sans-serif;\"><span style=\"font-size: medium;\"><strong>newsletter&#8217;a<\/strong><\/span><\/span><\/span><\/a><span style=\"color: #7a7a7a;\"><span style=\"font-family: Roboto, sans-serif;\"><span style=\"font-size: medium;\"><strong>\u00a0<\/strong><\/span><\/span><\/span><span style=\"color: #7a7a7a;\"><span style=\"font-family: Roboto, sans-serif;\"><span style=\"font-size: medium;\">aby dosta\u0107 informacj\u0119 o kolejnych \u015bwietnych lekcjach!<\/span><\/span><\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Dalej o funkcjach? Ostatnio nauczyli\u015bmy si\u0119 tworzy\u0107 funkcje, poznali\u015bmy ich typy i dowiedzieli\u015bmy si\u0119 jak przekazywa\u0107 do niej argumenty, czyli ca\u0142kiem du\u017co \ud83d\ude42 Funkcje, to jednak bardziej rozbudowany temat. Musimy pozna\u0107 jeszcze kolejny istotny element, kt\u00f3ry si\u0119 z nimi wi\u0105\u017ce. P\u00f3\u017aniej mo\u017cemy \u015bwi\u0119towa\u0107 zostanie mistrzami pisania funkcji \ud83d\ude42 via GIPHY Scope W programowaniu mamy wa\u017cn\u0105 [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[22],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.5.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python - bezp\u0142atny kurs dla pocz\u0105tkuj\u0105cych #7, Scope - \u0141ukasz Zych<\/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:\/\/www.lzych.pl\/en\/python-tutorial-free-course-for-beginners-7-scope\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python - bezp\u0142atny kurs dla pocz\u0105tkuj\u0105cych #7, Scope - \u0141ukasz Zych\" \/>\n<meta property=\"og:description\" content=\"Dalej o funkcjach? 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