15. Final Capstone

Task: Build a "File Analyzer" CLI tool.

Requirements:

1. Accept a folder path as an argument (argparse).
2. Recursively Find all files.
3. Statistics: Count extension types (.py, .txt) and total size.
4. Error Handling: Handle permission errors.
5. Save report to a JSON file.

Architecture:

• analyzer.py: Main entry point.
• core/:
  • scanner.py: File system walking.
  • stats.py: Math logic.
• tests/: Unit tests.

Go forth and build.