This is an educational content repository containing course materials written in Markdown and Python. It does not host any running services, APIs, or databases.

If you discover a security concern -- such as accidentally committed credentials, a malicious link, or unsafe code in an example -- please report it by opening an issue with the label security.

If the concern is sensitive and should not be discussed publicly, email the maintainer directly. Contact details are in the repository profile.

Security concerns relevant to this repository include:

• Secrets or credentials accidentally committed to the repository
• Code examples that demonstrate unsafe practices without adequate warnings
• Malicious content introduced via pull requests
• Broken or suspicious external links in Further Reading sections

The maintainer will acknowledge reports within 7 days and aim to resolve confirmed issues promptly.