Command Line & Arguments

This section covers Python's built-in modules for handling command-line interfaces and argument parsing.

📦 Modules

• argparse - Parser for command-line options, arguments and sub-commands

🔍 Quick Reference

Module	Purpose	Key Classes
argparse	Command-line parsing	ArgumentParser, Action, Namespace

🚀 Common Use Cases

• CLI applications: Create command-line tools and scripts
• Argument validation: Validate and convert command-line arguments
• Help generation: Automatically generate help messages
• Sub-commands: Create complex CLI with multiple sub-commands