You will find more information about the aforementioned tools and the official Python documentation for some of the modules discussed at the following links:

• The official documentation for the urllib package: https://docs.python.org/3/library/urllib.request.html#module-urllib.request
• Some more examples for the urllib package: https://pythonspot.com/urllib-tutorial-python-3/
• The official documentation for the HTML parser package: https://docs.python.org/3/library/html.parser.html
• The official documentation for the Requests package: http://docs.python-requests.org/en/latest
• The official documentation for the authentication package: http://docs.python-requests.org/en/master/user/authentication/