materials

http://interactivepython.org/runestone/static/pythonds/index.html

https://blog.michaelyin.info/scrapy-exercises-make-you-prepared-for-web-scraping-challenge/

https://scrapingclub.com/

https://www.ctolib.com/python/

https://saucelabs.com/resources/articles/selenium-tips-css-selectors

https://jsonlint.com/