{"id":77,"date":"2025-09-24T22:55:14","date_gmt":"2025-09-24T20:55:14","guid":{"rendered":"http:\/\/python-ai.pl\/?p=77"},"modified":"2025-09-24T22:55:14","modified_gmt":"2025-09-24T20:55:14","slug":"%f0%9f%90%8d-podstawy-pythona-wczytywanie-i-analiza-danych","status":"publish","type":"post","link":"https:\/\/python-ai.pl\/?p=77","title":{"rendered":"\ud83d\udc0d Podstawy Pythona &#8211; Wczytywanie i Analiza Danych"},"content":{"rendered":"\n<p class=\"has-medium-font-size\">Rozpoczynamy od podstaw programowania w Pythonie. Nauczysz si\u0119 wczytywa\u0107 dane z plik\u00f3w CSV, analizowa\u0107 struktur\u0119 danych i przygotowywa\u0107 je do dalszej pracy z AI i Machine Learning.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Czego si\u0119 nauczysz:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Wczytywanie danych z pandas<\/li>\n\n\n\n<li>Analiza struktury danych<\/li>\n\n\n\n<li>Podstawy programowania obiektowego<\/li>\n\n\n\n<li>Praca z bibliotekami Python<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udcca Podgl\u0105d danych o pensjach:<\/h3>\n\n\n\n<p>Liczba rekord\u00f3w: 50<br>Kolumny: id, imie, wiek, miasto, wyksztalcenie, zawod, pensja, doswiadczenie<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>ID<\/th><th>Imi\u0119<\/th><th>Wiek<\/th><th>Miasto<\/th><th>Wykszta\u0142cenie<\/th><th>Zaw\u00f3d<\/th><th>Pensja<\/th><th>Do\u015bwiadczenie<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Anna<\/td><td>58<\/td><td>Gdynia<\/td><td>Podstawowe<\/td><td>Fryzjer<\/td><td>3706 PLN<\/td><td>36 lat<\/td><\/tr><tr><td>2<\/td><td>Celina<\/td><td>32<\/td><td>Gliwice<\/td><td>\u015arednie<\/td><td>Kierowca<\/td><td>5466 PLN<\/td><td>10 lat<\/td><\/tr><tr><td>3<\/td><td>Igor<\/td><td>31<\/td><td>Gliwice<\/td><td>\u015arednie<\/td><td>In\u017cynier<\/td><td>3274 PLN<\/td><td>9 lat<\/td><\/tr><tr><td>4<\/td><td>Wojtek<\/td><td>33<\/td><td>Radom<\/td><td>Doktorat<\/td><td>Ksi\u0119gowy<\/td><td>9999 PLN<\/td><td>11 lat<\/td><\/tr><tr><td>5<\/td><td>Irena<\/td><td>39<\/td><td>\u0141\u00f3d\u017a<\/td><td>Licencjat<\/td><td>Hydraulik<\/td><td>6613 PLN<\/td><td>17 lat<\/td><\/tr><tr><td>6<\/td><td>Jan<\/td><td>55<\/td><td>Warszawa<\/td><td>Doktorat<\/td><td>Stra\u017cak<\/td><td>12&nbsp;834 PLN<\/td><td>33 lat<\/td><\/tr><tr><td>7<\/td><td>Kasia<\/td><td>26<\/td><td>Wroc\u0142aw<\/td><td>Licencjat<\/td><td>Policjant<\/td><td>6248 PLN<\/td><td>4 lat<\/td><\/tr><tr><td>8<\/td><td>Filip<\/td><td>57<\/td><td>Sosnowiec<\/td><td>Podstawowe<\/td><td>Programista<\/td><td>2481 PLN<\/td><td>35 lat<\/td><\/tr><tr><td>9<\/td><td>Magda<\/td><td>32<\/td><td>Sosnowiec<\/td><td>Licencjat<\/td><td>Kierowca<\/td><td>6167 PLN<\/td><td>10 lat<\/td><\/tr><tr><td>10<\/td><td>Teresa<\/td><td>45<\/td><td>Toru\u0144<\/td><td>Magister<\/td><td>Sprzedawca<\/td><td>8045 PLN<\/td><td>23 lat<\/td><\/tr><tr><td>11<\/td><td>Hanna<\/td><td>58<\/td><td>\u0141\u00f3d\u017a<\/td><td>Podstawowe<\/td><td>In\u017cynier<\/td><td>3461 PLN<\/td><td>36 lat<\/td><\/tr><tr><td>12<\/td><td>Ula<\/td><td>59<\/td><td>Radom<\/td><td>Doktorat<\/td><td>In\u017cynier<\/td><td>12&nbsp;305 PLN<\/td><td>37 lat<\/td><\/tr><tr><td>13<\/td><td>Grzegorz<\/td><td>44<\/td><td>Szczecin<\/td><td>Podstawowe<\/td><td>Nauczyciel<\/td><td>3406 PLN<\/td><td>22 lat<\/td><\/tr><tr><td>14<\/td><td>Julia<\/td><td>18<\/td><td>Sosnowiec<\/td><td>Podstawowe<\/td><td>Kucharz<\/td><td>3095 PLN<\/td><td>0 lat<\/td><\/tr><tr><td>15<\/td><td>Fiona<\/td><td>51<\/td><td>Bia\u0142ystok<\/td><td>Magister<\/td><td>Architekt<\/td><td>7906 PLN<\/td><td>29 lat<\/td><\/tr><tr><td>16<\/td><td>Teresa<\/td><td>38<\/td><td>Zabrze<\/td><td>Podstawowe<\/td><td>Lekarz<\/td><td>3639 PLN<\/td><td>16 lat<\/td><\/tr><tr><td>17<\/td><td>Wojtek<\/td><td>51<\/td><td>Gdynia<\/td><td>Magister<\/td><td>Policjant<\/td><td>5723 PLN<\/td><td>29 lat<\/td><\/tr><tr><td>18<\/td><td>Hubert<\/td><td>33<\/td><td>\u0141\u00f3d\u017a<\/td><td>Podstawowe<\/td><td>Nauczyciel<\/td><td>2260 PLN<\/td><td>11 lat<\/td><\/tr><tr><td>19<\/td><td>Filip<\/td><td>31<\/td><td>Toru\u0144<\/td><td>Doktorat<\/td><td>Prawnik<\/td><td>11&nbsp;112 PLN<\/td><td>9 lat<\/td><\/tr><tr><td>20<\/td><td>Dorota<\/td><td>53<\/td><td>Sosnowiec<\/td><td>\u015arednie<\/td><td>Architekt<\/td><td>3212 PLN<\/td><td>31 lat<\/td><\/tr><tr><td>21<\/td><td>Magda<\/td><td>48<\/td><td>Krak\u00f3w<\/td><td>Magister<\/td><td>Fryzjer<\/td><td>8487 PLN<\/td><td>26 lat<\/td><\/tr><tr><td>22<\/td><td>Norbert<\/td><td>52<\/td><td>\u0141\u00f3d\u017a<\/td><td>\u015arednie<\/td><td>Nauczyciel<\/td><td>3287 PLN<\/td><td>30 lat<\/td><\/tr><tr><td>23<\/td><td>Celina<\/td><td>61<\/td><td>Gliwice<\/td><td>\u015arednie<\/td><td>Fryzjer<\/td><td>6151 PLN<\/td><td>39 lat<\/td><\/tr><tr><td>24<\/td><td>Ola<\/td><td>18<\/td><td>Gdynia<\/td><td>\u015arednie<\/td><td>Prawnik<\/td><td>3624 PLN<\/td><td>0 lat<\/td><\/tr><tr><td>25<\/td><td>Fiona<\/td><td>65<\/td><td>Gda\u0144sk<\/td><td>Licencjat<\/td><td>Dziennikarz<\/td><td>7793 PLN<\/td><td>43 lat<\/td><\/tr><tr><td>26<\/td><td>Zosia<\/td><td>37<\/td><td>Szczecin<\/td><td>\u015arednie<\/td><td>Ksi\u0119gowy<\/td><td>4296 PLN<\/td><td>15 lat<\/td><\/tr><tr><td>27<\/td><td>Bartek<\/td><td>35<\/td><td>Sosnowiec<\/td><td>Podstawowe<\/td><td>Fryzjer<\/td><td>2790 PLN<\/td><td>13 lat<\/td><\/tr><tr><td>28<\/td><td>Eryk<\/td><td>40<\/td><td>Gliwice<\/td><td>\u015arednie<\/td><td>Kucharz<\/td><td>4283 PLN<\/td><td>18 lat<\/td><\/tr><tr><td>29<\/td><td>Cezary<\/td><td>65<\/td><td>Bydgoszcz<\/td><td>Magister<\/td><td>Hydraulik<\/td><td>6468 PLN<\/td><td>43 lat<\/td><\/tr><tr><td>30<\/td><td>Hanna<\/td><td>34<\/td><td>Krak\u00f3w<\/td><td>\u015arednie<\/td><td>Hydraulik<\/td><td>4289 PLN<\/td><td>12 lat<\/td><\/tr><tr><td>31<\/td><td>Hanna<\/td><td>63<\/td><td>Bydgoszcz<\/td><td>Licencjat<\/td><td>Kierowca<\/td><td>4379 PLN<\/td><td>41 lat<\/td><\/tr><tr><td>32<\/td><td>Grzegorz<\/td><td>21<\/td><td>Zabrze<\/td><td>\u015arednie<\/td><td>Nauczyciel<\/td><td>5949 PLN<\/td><td>0 lat<\/td><\/tr><tr><td>33<\/td><td>Jan<\/td><td>61<\/td><td>Cz\u0119stochowa<\/td><td>Magister<\/td><td>Elektryk<\/td><td>6724 PLN<\/td><td>39 lat<\/td><\/tr><tr><td>34<\/td><td>Grzegorz<\/td><td>44<\/td><td>Sosnowiec<\/td><td>Doktorat<\/td><td>Malarz<\/td><td>10&nbsp;045 PLN<\/td><td>22 lat<\/td><\/tr><tr><td>35<\/td><td>Ewa<\/td><td>35<\/td><td>Gdynia<\/td><td>\u015arednie<\/td><td>Hydraulik<\/td><td>3241 PLN<\/td><td>13 lat<\/td><\/tr><tr><td>36<\/td><td>Eryk<\/td><td>35<\/td><td>Pozna\u0144<\/td><td>Podstawowe<\/td><td>Lekarz<\/td><td>3268 PLN<\/td><td>13 lat<\/td><\/tr><tr><td>37<\/td><td>Hubert<\/td><td>59<\/td><td>Bia\u0142ystok<\/td><td>Podstawowe<\/td><td>Programista<\/td><td>2630 PLN<\/td><td>37 lat<\/td><\/tr><tr><td>38<\/td><td>Hubert<\/td><td>59<\/td><td>Szczecin<\/td><td>\u015arednie<\/td><td>Elektryk<\/td><td>4538 PLN<\/td><td>37 lat<\/td><\/tr><tr><td>39<\/td><td>Magda<\/td><td>51<\/td><td>Rzesz\u00f3w<\/td><td>Magister<\/td><td>Lekarz<\/td><td>9576 PLN<\/td><td>29 lat<\/td><\/tr><tr><td>40<\/td><td>Adam<\/td><td>26<\/td><td>Wroc\u0142aw<\/td><td>\u015arednie<\/td><td>Programista<\/td><td>5190 PLN<\/td><td>4 lat<\/td><\/tr><tr><td>41<\/td><td>Ula<\/td><td>47<\/td><td>Gliwice<\/td><td>\u015arednie<\/td><td>Policjant<\/td><td>4492 PLN<\/td><td>25 lat<\/td><\/tr><tr><td>42<\/td><td>Wojtek<\/td><td>59<\/td><td>Wroc\u0142aw<\/td><td>Licencjat<\/td><td>Policjant<\/td><td>5126 PLN<\/td><td>37 lat<\/td><\/tr><tr><td>43<\/td><td>Lukasz<\/td><td>19<\/td><td>Bia\u0142ystok<\/td><td>Doktorat<\/td><td>Prawnik<\/td><td>12&nbsp;643 PLN<\/td><td>0 lat<\/td><\/tr><tr><td>44<\/td><td>Wojtek<\/td><td>19<\/td><td>Sosnowiec<\/td><td>Doktorat<\/td><td>Dziennikarz<\/td><td>11&nbsp;002 PLN<\/td><td>0 lat<\/td><\/tr><tr><td>45<\/td><td>Lukasz<\/td><td>40<\/td><td>Radom<\/td><td>\u015arednie<\/td><td>In\u017cynier<\/td><td>5966 PLN<\/td><td>18 lat<\/td><\/tr><tr><td>46<\/td><td>Celina<\/td><td>50<\/td><td>Rzesz\u00f3w<\/td><td>Licencjat<\/td><td>Policjant<\/td><td>4239 PLN<\/td><td>28 lat<\/td><\/tr><tr><td>47<\/td><td>Bartek<\/td><td>19<\/td><td>Cz\u0119stochowa<\/td><td>Magister<\/td><td>Malarz<\/td><td>6611 PLN<\/td><td>0 lat<\/td><\/tr><tr><td>48<\/td><td>Damian<\/td><td>54<\/td><td>Pozna\u0144<\/td><td>Licencjat<\/td><td>Policjant<\/td><td>6120 PLN<\/td><td>32 lat<\/td><\/tr><tr><td>49<\/td><td>Jan<\/td><td>34<\/td><td>Cz\u0119stochowa<\/td><td>Magister<\/td><td>Fryzjer<\/td><td>6596 PLN<\/td><td>12 lat<\/td><\/tr><tr><td>50<\/td><td>Gosia<\/td><td>62<\/td><td>Radom<\/td><td>Podstawowe<\/td><td>Dziennikarz<\/td><td>2387 PLN<\/td><td>40 lat<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Kod Python &#8211; Wczytywanie danych z pandas:<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-python\" data-lang=\"Python\"><code>import pandas as pd\nimport numpy as np\n\n# Wczytywanie danych\ndf = pd.read_csv(&#39;dane_pensje.csv&#39;)\n\n# Podstawowe informacje o danych\nprint(f&quot;Liczba rekord\u00f3w: {len(df)}&quot;)\nprint(f&quot;Kolumny: {list(df.columns)}&quot;)\n\n# Podgl\u0105d pierwszych 5 rekord\u00f3w\nprint(df.head())\n\n# Informacje o typach danych\nprint(df.info())<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Rozpoczynamy od podstaw programowania w Pythonie. Nauczysz si\u0119 wczytywa\u0107 dane z plik\u00f3w CSV, analizowa\u0107 struktur\u0119 danych i przygotowywa\u0107 je do dalszej pracy z AI i Machine Learning. Czego si\u0119 nauczysz: \ud83d\udcca Podgl\u0105d danych o pensjach: Liczba rekord\u00f3w: 50Kolumny: id, imie, wiek, miasto, wyksztalcenie, zawod, pensja, doswiadczenie ID Imi\u0119 Wiek Miasto Wykszta\u0142cenie Zaw\u00f3d Pensja Do\u015bwiadczenie 1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[28,4],"tags":[29,6],"class_list":["post-77","post","type-post","status-publish","format-standard","hentry","category-ai","category-kurs","tag-ai","tag-kurs"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/python-ai.pl\/index.php?rest_route=\/wp\/v2\/posts\/77","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/python-ai.pl\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/python-ai.pl\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/python-ai.pl\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/python-ai.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=77"}],"version-history":[{"count":3,"href":"https:\/\/python-ai.pl\/index.php?rest_route=\/wp\/v2\/posts\/77\/revisions"}],"predecessor-version":[{"id":80,"href":"https:\/\/python-ai.pl\/index.php?rest_route=\/wp\/v2\/posts\/77\/revisions\/80"}],"wp:attachment":[{"href":"https:\/\/python-ai.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=77"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/python-ai.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=77"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/python-ai.pl\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=77"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}