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File System & Path Operations

This section covers Python's built-in modules for working with files, directories, and filesystem operations.

📦 Modules

  • pathlib - Object-oriented filesystem paths (recommended)
  • os - Operating system interface and file operations

🔍 Quick Reference

ModulePurposeKey Classes/Functions
pathlibModern path handlingPath, PurePath, WindowsPath, PosixPath
osOS interfaceos.path, os.listdir(), os.makedirs(), os.remove()

🚀 Common Use Cases

  • Path manipulation: Join, split, and normalize file paths
  • File operations: Create, read, write, and delete files
  • Directory operations: List contents, create/remove directories
  • Cross-platform compatibility: Handle paths across different operating systems

💡 Best Practices

  • Use pathlib for new code - it's more readable and powerful
  • Use os.path when working with legacy code or when you need string paths
  • Always use forward slashes in code - Python handles conversion automatically