Restructured into clearer sections:

• Introduction to web scraping
• HTML and CSS with BeautifulSoup and requests
• JavaScript with Selenium and XPath examples
• Ethics and applications of web scraping

Changes made:

• Replaced urlopen with more on requests library.
• Added more examples for scraping data using BeautifulSoup and requests.
• Included activities for practicing with CSS selectors.
• Added introductory snippets for Selenium and XPath.
• TOC for navigation and final summary.
• Separated API-related content into another script to be revisited and fixed in the future.