{"id":588,"date":"2020-07-20T19:20:00","date_gmt":"2020-07-20T19:20:00","guid":{"rendered":"https:\/\/www.lzych.pl\/?p=588"},"modified":"2022-01-27T21:46:58","modified_gmt":"2022-01-27T20:46:58","slug":"python-tutorial-free-course-for-beginners-2-variables","status":"publish","type":"post","link":"https:\/\/www.lzych.pl\/en\/python-tutorial-free-course-for-beginners-2-variables\/","title":{"rendered":"Python &#8211; bezp\u0142atny kurs dla pocz\u0105tkuj\u0105cych #2, Zmienne"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"588\" class=\"elementor elementor-588\" 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-e2912ed elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e2912ed\" 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-8717bfb\" data-id=\"8717bfb\" 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-b2228df elementor-widget elementor-widget-text-editor\" data-id=\"b2228df\" 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=\"font-family: var e-global-typography-text-font-family, Sans-serif;\"><span style=\"color: #7a7a7a;\">Zmienne<\/span><\/span><\/strong><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">\u00a0s\u0105 podstawowym konceptem w programowaniu i dotycz\u0105 wielu j\u0119zyk\u00f3w \u2013 nie tylko Pythona. S\u0142u\u017c\u0105 nam do tego, aby przechowa\u0107 r\u00f3\u017cne informacje niezb\u0119dne do dzia\u0142ania programu. Warto\u015b\u0107 zmiennej mo\u017ce by\u0107 ustawiana w trakcie dzia\u0142ania programu, odczytywana i zmieniana.<\/span><\/span><\/span><\/p><p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">Mam nadziej\u0119, \u017ce to por\u00f3wnanie pomo\u017ce Ci zrozumie\u0107 je lepiej: mo\u017cesz my\u015ble\u0107 o zmiennych jak o pude\u0142eczkach w kt\u00f3rych umieszczasz jak\u0105\u015b warto\u015b\u0107, aby p\u00f3\u017aniej z niej skorzysta\u0107. Ta warto\u015b\u0107, nie mo\u017ce by\u0107 jednak byle jaka.\u00a0<\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\"><strong>Zmienne posiadaj\u0105 typy, co znaczy, \u017ce warto\u015b\u0107 kt\u00f3r\u0105 chcemy przypisa\u0107 do zmiennej, musi spe\u0142nia\u0107 kryteria danego typu.\u00a0<\/strong><\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">Python sam rozpoznaje jaki to jest typ.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cbfbf2d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cbfbf2d\" 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-b946cc3\" data-id=\"b946cc3\" 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-8f8debc elementor-widget elementor-widget-text-editor\" data-id=\"8f8debc\" 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;\">Poni\u017cej wymieni\u0142em najwa\u017cniejsze\u00a0<\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\"><strong>typy<\/strong><\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\"> w Pythonie:<\/span><\/p><ul><li><span style=\"font-family: 'var e-global-typography-text-font-family', sans-serif;\"><strong>integer\u00a0<\/strong><\/span><span style=\"font-family: 'var e-global-typography-text-font-family', sans-serif;\">&#8211; liczba ca\u0142kowita,<\/span><\/li><li><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\"><strong>float\u00a0<\/strong><\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">\u2013 liczba zmiennoprzecinkowa,<\/span><\/li><li><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\"><strong>bool<\/strong><\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">\u00a0&#8211; typ logiczny, czyli prawda (True) albo fa\u0142sz (False),<\/span><\/li><li><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\"><strong>string<\/strong><\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">\u00a0\u2013 tekst, zestaw znak\u00f3w przedstawiony w cudzys\u0142owach.<\/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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-8d485df\" data-id=\"8d485df\" 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-9dab95e elementor-widget elementor-widget-text-editor\" data-id=\"9dab95e\" 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\"># we create variable: age type int\nage = 55\n\n# we create variable: receipt type float\nreceipt = 2.49\n\n# we create variable: is_summer type bool\nis_summer = True\n\n# we create variable: name type string\nname = 'Fredzio'\n\n# it is a mistake\n# Python is unable to recognize the type\n# after creating something like this\n# our program will not work\nnonsense = dsad7sa7dsadsa7\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-ba52514 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ba52514\" 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-b55d17d\" data-id=\"b55d17d\" 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-4d9cbd4 elementor-widget elementor-widget-image\" data-id=\"4d9cbd4\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-image\">\n\t\t\t\t\t\t\t\t\t\t\t\t<img width=\"1024\" height=\"251\" src=\"https:\/\/www.lzych.pl\/wp-content\/uploads\/2020\/07\/python_2_0-1024x251.png\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/www.lzych.pl\/wp-content\/uploads\/2020\/07\/python_2_0-1024x251.png 1024w, https:\/\/www.lzych.pl\/wp-content\/uploads\/2020\/07\/python_2_0-300x74.png 300w, https:\/\/www.lzych.pl\/wp-content\/uploads\/2020\/07\/python_2_0-768x189.png 768w, https:\/\/www.lzych.pl\/wp-content\/uploads\/2020\/07\/python_2_0-1000x246.png 1000w, https:\/\/www.lzych.pl\/wp-content\/uploads\/2020\/07\/python_2_0.png 1185w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\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-83276a2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"83276a2\" 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-0262ba9\" data-id=\"0262ba9\" 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-e156782 elementor-widget elementor-widget-heading\" data-id=\"e156782\" 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\">Konwencja nazewnictwa<\/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-6c77344 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6c77344\" 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-ae764ab\" data-id=\"ae764ab\" 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-dc9313e elementor-widget elementor-widget-text-editor\" data-id=\"dc9313e\" 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;\">Zanim przejdziemy do szczeg\u00f3\u0142\u00f3w, zwr\u00f3\u0107 prosz\u0119 uwag\u0119 na to, jak nale\u017cy zapisywa\u0107 nazwy zmiennych. Regu\u0142y do kt\u00f3rych musisz pami\u0119ta\u0107 to:<\/span><\/p><ul><li><span style=\"font-family: 'var e-global-typography-text-font-family', sans-serif;\">nazwy zmiennych zapisujemy z ma\u0142ych liter,<\/span><\/li><li><span style=\"font-family: 'var e-global-typography-text-font-family', sans-serif;\">nazwa zmiennej musi opisywa\u0107 to, jak\u0105 warto\u015b\u0107 ona ma przechowywa\u0107, to znaczy je\u017celi chcemy, aby w naszej zmiennej by\u0142a informacja o wieku, to nazywamy j\u0105 po angielsku \u201eage\u201d, a nie na przyk\u0142ad \u201ex\u201d albo \u201evar1\u201d czy jeszcze co\u015b innego. Je\u017celi nie b\u0119dziemy si\u0119 do tego stosowa\u0107, to za miesi\u0105c nikt nie b\u0119dzie mia\u0142 poj\u0119cia co mieli\u015bmy na my\u015bli pisz\u0105c kod i b\u0119dzie on kompletnie nieczytelny,<\/span><\/li><li><span style=\"font-family: 'var e-global-typography-text-font-family', sans-serif;\">je\u017celi nazwa zmiennej sk\u0142ada si\u0119 z kilku wyraz\u00f3w w Pythonie z regu\u0142y u\u017cywa si\u0119 mi\u0119dzy nimi _, wi\u0119c r\u00f3wnie\u017c staraj si\u0119 tego trzyma\u0107.<\/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-74d77a6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"74d77a6\" 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-cbc092e\" data-id=\"cbc092e\" 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-a349070 elementor-widget elementor-widget-text-editor\" data-id=\"a349070\" 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\">\n# correct variable names\ncity_name = 'Warsaw'\nage = 40\nfavourite_programming_language = 'Python'\n\n# wrong variable names\na = 'Janusz'\nSoMeThInG = 14\nvar1 = 'Laughter is the best medicine'\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-dcc0c08 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dcc0c08\" 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-e323abe\" data-id=\"e323abe\" 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-0b9858a elementor-widget elementor-widget-text-editor\" data-id=\"0b9858a\" 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;\"><span style=\"font-size: medium;\"><span style=\"color: #7a7a7a;\">Staraj si\u0119 o tym pami\u0119ta\u0107 i budowa\u0107 w sobie nawyk stosowanie poprawnego nazewnictwa od samego pocz\u0105tku. Wielu nawet do\u015bwiadczonych programist\u00f3w o tym zapomina, co skutkuje nisk\u0105 jako\u015bci\u0105 kodu i problemami z wprowadzaniem p\u00f3\u017aniejszych zmian.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e84e6e2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e84e6e2\" 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-4ac6cf2\" data-id=\"4ac6cf2\" 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-43531b3 elementor-widget elementor-widget-heading\" data-id=\"43531b3\" 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\">Komentarze<\/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-c32f9d1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c32f9d1\" 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-a133cf6\" data-id=\"a133cf6\" 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-e3731f2 elementor-widget elementor-widget-text-editor\" data-id=\"e3731f2\" 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;\">Tak jak widzisz wy\u017cej, niekt\u00f3re linie kodu maj\u0105 na pocz\u0105tku znak \u2018#\u2019. Oznacza on, \u017ce dana linia jest komentarzem i nie ma \u017cadnego wp\u0142ywu na dzia\u0142anie programu \u2013 zostanie po prostu zignorowana. Jest to bardzo przydatne poniewa\u017c w takich komentarzach mo\u017cna umieszcza\u0107 opisy dzia\u0142ania kodu, informacje czy wyja\u015bnienia.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c4a0be7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c4a0be7\" 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-8cba5e6\" data-id=\"8cba5e6\" 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-1e9c887 elementor-widget elementor-widget-heading\" data-id=\"1e9c887\" 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\">Liczby (integer i float)<\/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-3fc858d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3fc858d\" 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-aa78307\" data-id=\"aa78307\" 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-a54de58 elementor-widget elementor-widget-text-editor\" data-id=\"a54de58\" 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;\">Na zmiennych liczbowych (int i float) mo\u017cemy wykona\u0107 wszystkie operacje znane ze szko\u0142y.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-080474f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"080474f\" 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-6eb7891\" data-id=\"6eb7891\" 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-97419bd elementor-widget elementor-widget-text-editor\" data-id=\"97419bd\" 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\">\n# addition\nprint(10 + 4)\n# result: 14\n\n# subtraction\nprint(10 - 4)\n# result: 6\n\n# multiplication\nprint(10 * 4)\n# result: 40\n\n# division (returns float)\nprint(10 \/ 4)\n# result: 2.5\n\n# division (returns int)\nprint(10 \/\/ 4)\n# result: 2\n\n# modulo operation returns the remainder after division\n# so 10 \/ 4 is 2, and 2 left (this 2 left is the result)\nprint(10 % 4)\n# result: 2\n\n# exponent - 10 to the power of 4\nprint(10 ** 4)\n# result: 10000\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-6a64d8b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6a64d8b\" 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-ba9236b\" data-id=\"ba9236b\" 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-c88d253 elementor-widget elementor-widget-text-editor\" data-id=\"c88d253\" 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;\">Do tych operacji mo\u017cesz u\u017cy\u0107 skr\u00f3conego zapisu, co oznacza dok\u0142adnie to samo, co zwyk\u0142y.<\/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-59893f1\" data-id=\"59893f1\" 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-87b98b2 elementor-widget elementor-widget-text-editor\" data-id=\"87b98b2\" 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\">\nmy_number = 10\nmy_second_number = 5\n\nmy_number = my_number + 3\nprint(my_number)\n# result: 13\n\n# it's the same as: my_second_number = my_second_number + 3 but shorter\nmy_second_number += 3\nprint(my_second_number)\n# result 8\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-19936bc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"19936bc\" 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-3964e3a\" data-id=\"3964e3a\" 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-47baf89 elementor-widget elementor-widget-text-editor\" data-id=\"47baf89\" 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;\">Czasami mo\u017ce okaza\u0107 si\u0119, \u017ce b\u0119dziesz potrzebowa\u0107 wykona\u0107 bardziej z\u0142o\u017cone operacje &#8211; w tym celu najpro\u015bciej u\u017cy\u0107\u00a0<strong>\u201cmath\u201d<\/strong>\u00a0modu\u0142u.\u00a0<strong>Modu\u0142 jest to oddzielny plik z kodem<\/strong>\u00a0przygotowanym do wykonywania wybranych czynno\u015bci. Ten konkretny modu\u0142 zawiera gotowe\u00a0<strong>funkcje<\/strong>\u00a0(o funkcjach wspomina\u0142em kr\u00f3tko na poprzedniej lekcji) do operacji matematycznych z kt\u00f3rych mo\u017cesz skorzysta\u0107.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-910fbd8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"910fbd8\" 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-2b26288\" data-id=\"2b26288\" 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-a38e230 elementor-widget elementor-widget-text-editor\" data-id=\"a38e230\" 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\">\n# in order to use math module\n# you need to place it at the top of your file\nimport math\n\n# math in our code is an object\n# that means when you type: math.\n# you should see all available options you can use\n\n# some examples:\n\n# return the floor of x, the largest integer less than or equal to x.\nprint(math.floor(2.9))\n# result: 2\n\n# return the square root of x.\nprint(math.sqrt(9))\n# result: 3.0\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-48384f4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"48384f4\" 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-ae62756\" data-id=\"ae62756\" 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-cc21e65 elementor-widget elementor-widget-text-editor\" data-id=\"cc21e65\" 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;\"><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\"><span style=\"color: #7a7a7a;\">Modu\u0142 math posiada du\u017co wiele przyk\u0142ad\u00f3w ni\u017c te, kt\u00f3re wymieni\u0142em wy\u017cej. Szczeg\u00f3\u0142y znajdziesz w dokumentacji:\u00a0<\/span><a href=\"https:\/\/docs.python.org\/3\/library\/math.html\">https:\/\/docs.python.org\/3\/library\/math.html <\/a>Nie ma sensu uczy\u0107 si\u0119 ich na pami\u0119\u0107. Postaraj si\u0119 jedynie zapami\u0119ta\u0107, \u017ce co\u015b takiego istnieje i \u017ce mo\u017cesz do tego wr\u00f3ci\u0107 w przysz\u0142o\u015bci, je\u017celi b\u0119dziesz potrzebowa\u0107.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7ce3d77 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7ce3d77\" 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-1a20d5d\" data-id=\"1a20d5d\" 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-6de25c1 elementor-widget elementor-widget-heading\" data-id=\"6de25c1\" 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\">Boolean<\/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-dcfd27d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dcfd27d\" 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-460e2de\" data-id=\"460e2de\" 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-fbe1543 elementor-widget elementor-widget-text-editor\" data-id=\"fbe1543\" 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>Boolean mo\u017ce posiada\u0107 tylko jedn\u0105 z dw\u00f3ch warto\u015bci: True albo False.<\/strong><\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">\u00a0Jest on bardzo mocno zwi\u0105zany z instrukcjami warunkowymi w programie, to znaczy cz\u0119\u015b\u0107 kodu wykona si\u0119 tylko wtedy gdy zostanie spe\u0142niony jaki\u015b warunek, na przyk\u0142ad: \u201eje\u017celi kto\u015b wpisa\u0142 prawid\u0142owe has\u0142o (warunek) to zaloguj go do programu\u201d \u2013 wi\u0119cej b\u0119dziemy o nich m\u00f3wili na p\u00f3\u017aniejszych lekcjach.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d0a4528 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d0a4528\" 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-42bd9a5\" data-id=\"42bd9a5\" 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-8b5ae9f elementor-widget elementor-widget-text-editor\" data-id=\"8b5ae9f\" 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\">\n# examples:\npython_is_easy = True\nsky_is_green = False\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-d2d7882 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d2d7882\" 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-e31bdd3\" data-id=\"e31bdd3\" 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-a9d5a84 elementor-widget elementor-widget-heading\" data-id=\"a9d5a84\" 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\">String<\/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-1f53195 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1f53195\" 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-1f7438c\" data-id=\"1f7438c\" 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-a52db99 elementor-widget elementor-widget-text-editor\" data-id=\"a52db99\" 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;\">Typ danych kt\u00f3ry s\u0142u\u017cy do przechowywania zestawu znak\u00f3w kt\u00f3re zapisujemy w cudzys\u0142owie. Cudzys\u0142\u00f3w mo\u017ce by\u0107 pojedynczy czyli &#8217;, lub podw\u00f3jny czyli &#8222;. Poni\u017cej znajdziesz przyk\u0142ady cz\u0119sto wykonywanych na nich akcji.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7cffcf4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7cffcf4\" 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-9127074\" data-id=\"9127074\" 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-74343db elementor-widget elementor-widget-text-editor\" data-id=\"74343db\" 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;\">Cz\u0119sto chcemy sprawdzi\u0107 jak d\u0142ugi jest nasz string &#8211; przyk\u0142adowo mo\u017cemy chcie\u0107 by has\u0142o w naszym serwisie zawiera\u0142o minimum 8 znak\u00f3w.<\/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-f7e1323\" data-id=\"f7e1323\" 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-8d2f529 elementor-widget elementor-widget-text-editor\" data-id=\"8d2f529\" 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\">\n# new variable called: welcome_message\nwelcome_message = 'hello'\n\n# len() is a build in function which counts\n# the number of characters in a string\nmessage_length = len(welcome_message)\nprint(message_length)\n# result: 5\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-2eb82aa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2eb82aa\" 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-2297ec1\" data-id=\"2297ec1\" 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-a6debd9 elementor-widget elementor-widget-text-editor\" data-id=\"a6debd9\" 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;\">Zdarza si\u0119 r\u00f3wnie\u017c, \u017ce chcemy jak dosta\u0107 si\u0119 do cz\u0119\u015bci stringa, wyci\u0105\u0107 literk\u0119 lub cz\u0119\u015b\u0107 tekstu albo sprawdzi\u0107 czy tekst zawiera jaki\u015b ci\u0105g znak\u00f3w. Przyk\u0142ady jak to zrobi\u0107 znajdziesz po prawej stronie.<\/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-534cbeb\" data-id=\"534cbeb\" 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-86d9ae8 elementor-widget elementor-widget-text-editor\" data-id=\"86d9ae8\" 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\">\n# To get an access to a specific character\n# in a string we use []\n\nwelcome_message = 'hello'\n\n# in programming we start couting from 0\n# it returns the first letter from the string\nprint(welcome_message[0])\n# result: h\n\n# returns the last letter\nprint(welcome_message[-1])\n# result: o\n\n# returns selecter part from the string\nprint(welcome_message[1:4])\n# ell\n\n# check if our string contains 'foo'\n# and return boolean type\ncontains = 'foo' in welcome_message\n# check if our string does not contain 'foo'\n# and return boolean type\nnot_contains = 'foo' not in welcome_message\nprint(contains) # False\nprint(not_contains) # True\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-c29795f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c29795f\" 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-b4f7b92\" data-id=\"b4f7b92\" 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-d4dd632 elementor-widget elementor-widget-text-editor\" data-id=\"d4dd632\" 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;\">Mo\u017cemy r\u00f3wnie\u017c chcie\u0107 po\u0142\u0105czy\u0107 ze sob\u0105 tekst, wystarczy, \u017ce wpiszemy wtedy +. Je\u017celi \u0142\u0105czy si\u0119 ze sob\u0105 sporo zmiennych czasami taki zapis mo\u017ce by\u0107 ma\u0142o czytelny. Wtedy warto u\u017cy\u0107 tak zwanego &#8222;formatted stringa&#8221; kt\u00f3rego oznaczamy pisz\u0105c f przed cudzys\u0142owem i wtedy zamiast pisa\u0107 wsz\u0119dzie +, to mo\u017cemy umieszcza\u0107 zmienne bezpo\u015brednio w tek\u015bcie otaczaj\u0105c je nawiasem klamrowym (jak na przyk\u0142adzie poni\u017cej).<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ef3bb2b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ef3bb2b\" 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-4aadbbc\" data-id=\"4aadbbc\" 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-08bbe3e elementor-widget elementor-widget-text-editor\" data-id=\"08bbe3e\" 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\">\n# combining strings\n\nwelcome_message = 'hello'\nname = 'Fredzio'\n\ncombined_welcome_message = welcome_message + ' ' + name + '!'\nprint(combined_welcome_message)\n# result: hello Fredzio!\n\n# this is more convenient way to combine the strings\n# but it does the same as the example above\n# pay attention that you need to place f before quote\ncombined_welcome_message_v2 = f'{welcome_message} {name}!'\nprint(combined_welcome_message_v2)\n# result: hello Fredzio!\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-192abf7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"192abf7\" 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-e93e019\" data-id=\"e93e019\" 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-5e518c5 elementor-widget elementor-widget-text-editor\" data-id=\"5e518c5\" 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;\">Kolejn\u0105 ciekawostk\u0105 jest to, je\u017celi stworzysz sobie jak\u0105\u015b zmienn\u0105 kt\u00f3ra jest stringiem, to na tej zmiennej mo\u017cesz wywo\u0142a\u0107 r\u00f3\u017cne wbudowane metody.\u00a0<strong>Metoda jest to w\u0142a\u015bciwie zwyk\u0142a funkcja<\/strong>\u00a0jak print(), ale zwi\u0105zana z wybranym obiektem (oczywi\u015bcie co to jest obiekt opowiemy sobie p\u00f3\u017aniej ;). Aby zobaczy\u0107 jakie masz dost\u0119pne funkcje na swoim stringu, wpisz nazw\u0119 swojej zmiennej i daj kropk\u0119 na ko\u0144cu np. welcome_message. Z popularniejszych metod, mo\u017cesz zamienia\u0107 tekst na wielkie b\u0105d\u017a ma\u0142e litery, szuka\u0107 czy co\u015b wyst\u0119puje w naszym tek\u015bcie, albo podmienia\u0107 zawarto\u015b\u0107. Przyk\u0142ady poni\u017cej.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c2b20b7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c2b20b7\" 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-f0749ef\" data-id=\"f0749ef\" 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-e693aec elementor-widget elementor-widget-text-editor\" data-id=\"e693aec\" 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\">\nwelcome_message = 'hello my friend'\n\n# transforms our string to upper case\nprint(welcome_message.upper())\n# result: HELLO MY FRIEND\n\n# transforms every first letter in our string to upper case\nprint(welcome_message.title())\n# result: Hello My Friend\n\n# retuns the index where is the letter 'e' in our string\n# if it not there it returns -1\nprint(welcome_message.find('e'))\n# result: 1\n\n# converts any letter e to G\nprint(welcome_message.replace('e', 'G'))\n# result: hGllo my friGnd\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-00a1371 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"00a1371\" 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-982320a\" data-id=\"982320a\" 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-fe07d46 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"fe07d46\" 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-7d694ce elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7d694ce\" 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-f95dfde\" data-id=\"f95dfde\" 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-6af451e elementor-widget elementor-widget-heading\" data-id=\"6af451e\" 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\">\u0106wiczenie<\/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-43a6514 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"43a6514\" 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-27726c4\" data-id=\"27726c4\" 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-a581517 elementor-widget elementor-widget-text-editor\" data-id=\"a581517\" 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>Tutaj zaczyna si\u0119 najwa\u017cniejsza cz\u0119\u015b\u0107 kursu<\/strong><\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\"> \ud83d\ude42 Aby nauczy\u0107 si\u0119 programowania, trzeba siedzie\u0107, programowa\u0107, pr\u00f3bowa\u0107 i robi\u0107 swoje programy. Cz\u0119sto one zwyczajnie nie dzia\u0142aj\u0105, mamy z czym\u015b problemy, co\u015b nie dzia\u0142a. Nigdy nie mo\u017cesz si\u0119 jednak zra\u017ca\u0107! Tak w\u0142a\u015bnie wygl\u0105da prawdziwa nauka! Im wi\u0119cej wysi\u0142ku b\u0119dzie Ci\u0119 kosztowa\u0142o na pocz\u0105tku, tym \u0142atwiej b\u0119dzie Ci p\u00f3\u017aniej tworzy\u0107 programy w codziennym \u017cyciu. <\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\"><strong>Dasz sobie rad\u0119!<\/strong><\/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-7a8a983\" data-id=\"7a8a983\" 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-7a81202 elementor-widget elementor-widget-html\" data-id=\"7a81202\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div style=\"width:100%;height:0;padding-bottom:75%;position:relative;\"><iframe loading=\"lazy\" src=\"https:\/\/giphy.com\/embed\/1xVbRS6j52YSzp9P7N\" width=\"100%\" height=\"100%\" style=\"position:absolute\" frameborder=\"0\" class=\"giphy-embed\" allowfullscreen><\/iframe><\/div><p><a href=\"https:\/\/giphy.com\/gifs\/bublywater-bubly-water-michael-bubl-1xVbRS6j52YSzp9P7N\">via GIPHY<\/a><\/p>\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-e0bb511 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e0bb511\" 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-68b80ff\" data-id=\"68b80ff\" 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-22e7c04 elementor-widget elementor-widget-text-editor\" data-id=\"22e7c04\" 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;\"><span style=\"font-size: medium;\"><span style=\"color: #7a7a7a;\">Odpocznij po przeczytaniu tego posta i jak poczujesz si\u0119 na si\u0142ach przejrzyj go jeszcze raz, a potem zr\u00f3b kilka program\u00f3w:<\/span><\/span><\/span><\/p><ul><li><span style=\"font-family: 'var e-global-typography-text-font-family', sans-serif;\">program 1 &#8211; stw\u00f3rz kilka zmiennych z liczbami: 2.5, 8, 11, 3.49. Wykonaj z nimi r\u00f3\u017cne dzia\u0142ania:<\/span><br \/><ul><li><span style=\"font-family: 'var e-global-typography-text-font-family', sans-serif;\">dodaj je wszystkie do siebie,<\/span><\/li><li>oblicz z nich pierwiastek,<\/li><li>pomn\u00f3\u017c razy 4,<\/li><li>zaokr\u0105glij wynik i wypisz go za pomoc\u0105 funkcji print(),<\/li><\/ul><\/li><li>program 2 &#8211; stw\u00f3rz zmienne ze swoim imieniem i nazw\u0105 miejscowo\u015bci w kt\u00f3rej mieszkasz, nast\u0119pnie:<ul><li>po\u0142\u0105cz je ze sob\u0105 w kolejnej zmiennej,<\/li><li>stw\u00f3rz now\u0105 zmienn\u0105 w kt\u00f3rej b\u0119dzie znajdowa\u0142a si\u0119, zawarto\u015b\u0107 stworzonego, po\u0142\u0105czonego stringa, pr\u00f3cz pierwszej i ostatniej litery,<\/li><li>sprawd\u017a czy nowy string zawiera liter\u0119 'x&#8217; (u\u017cywaj\u0105c odpowiedniej funkcji),<\/li><li>u\u017cyj funkcji len() do policzenia ilo\u015bci znak\u00f3w. Wynik wypisz w konsoli funkcj\u0105 print().<\/li><\/ul><\/li><\/ul><p><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">Je\u017celi masz problem z wykonaniem zadania to si\u0119 nie martw. Odpowied\u017a na praktycznie ka\u017cde pytanie, mo\u017cesz znale\u017a\u0107 w wyszukiwarce\u00a0<\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\"><a href=\"https:\/\/www.google.com\/\">google.com<\/a><\/span><span style=\"font-family: var e-global-typography-text-font-family, Sans-serif;\">\u00a0wi\u0119c postaraj si\u0119 tam poszuka\u0107. Mo\u017cesz te\u017c wrzuci\u0107 swoje pytanie do komentarza poni\u017cej.<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-62bdb4d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"62bdb4d\" 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-853efed\" data-id=\"853efed\" 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-743b848 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"743b848\" 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-d88aa60 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d88aa60\" 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-b1d5fbf\" data-id=\"b1d5fbf\" 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-6676753 elementor-widget elementor-widget-html\" data-id=\"6676753\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div style=\"width:100%;height:0;padding-bottom:56%;position:relative;\"><iframe loading=\"lazy\" src=\"https:\/\/giphy.com\/embed\/xT8qBvH1pAhtfSx52U\" width=\"100%\" height=\"100%\" style=\"position:absolute\" frameborder=\"0\" class=\"giphy-embed\" allowfullscreen><\/iframe><\/div><p><a href=\"https:\/\/giphy.com\/gifs\/baby-sleepy-face-first-xT8qBvH1pAhtfSx52U\">via GIPHY<\/a><\/p>\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-5deb8c6\" data-id=\"5deb8c6\" 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-fe74130 elementor-widget elementor-widget-text-editor\" data-id=\"fe74130\" 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;\">Wow! Du\u017co tego, ale to w koniec tej lekcji \ud83d\ude42 By\u0142a zdecydowanie najtrudniejsza jak do tej pory. Mn\u00f3stwo informacji i nowo\u015bci.\u00a0<strong>Gratulacje<\/strong>, \u017ce uda\u0142o Ci si\u0119 j\u0105 uko\u0144czy\u0107!<\/span><\/span><\/span><\/p><p><span style=\"color: #7a7a7a;\"><span style=\"font-family: Roboto, sans-serif;\"><span style=\"font-size: medium;\">Kolejna lekcja b\u0119dzie jeszcze ciekawsza! Skupimy si\u0119 na pisaniu r\u00f3\u017cnych program\u00f3w i nauczymy si\u0119 przesy\u0142a\u0107 dane z terminala \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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ad7e091 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ad7e091\" 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-eb7fd64\" data-id=\"eb7fd64\" 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-b7efaef elementor-align-center elementor-widget elementor-widget-button\" data-id=\"b7efaef\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/www.lzych.pl\/en\/python-tutorial-free-course-for-beginners-3-receiving-input-and-type-conversion\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Nast\u0119pna lekcja<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\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\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Zmienne\u00a0s\u0105 podstawowym konceptem w programowaniu i dotycz\u0105 wielu j\u0119zyk\u00f3w \u2013 nie tylko Pythona. S\u0142u\u017c\u0105 nam do tego, aby przechowa\u0107 r\u00f3\u017cne informacje niezb\u0119dne do dzia\u0142ania programu. Warto\u015b\u0107 zmiennej mo\u017ce by\u0107 ustawiana w trakcie dzia\u0142ania programu, odczytywana i zmieniana. Mam nadziej\u0119, \u017ce to por\u00f3wnanie pomo\u017ce Ci zrozumie\u0107 je lepiej: mo\u017cesz my\u015ble\u0107 o zmiennych jak o pude\u0142eczkach w [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","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 #2, Zmienne - \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-2-variables\/\" \/>\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 #2, Zmienne - \u0141ukasz Zych\" \/>\n<meta property=\"og:description\" content=\"Zmienne\u00a0s\u0105 podstawowym konceptem w programowaniu i dotycz\u0105 wielu j\u0119zyk\u00f3w \u2013 nie tylko Pythona. S\u0142u\u017c\u0105 nam do tego, aby przechowa\u0107 r\u00f3\u017cne informacje niezb\u0119dne do dzia\u0142ania programu. Warto\u015b\u0107 zmiennej mo\u017ce by\u0107 ustawiana w trakcie dzia\u0142ania programu, odczytywana i zmieniana. 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