Build Python CLI Apps With Typer: Arguments, Options, and Commands

Learn how to create Python command-line tools using Typer. In this hands-on crash course, you'll: Install Typer and set up your project Build a “Hello, World” CLI app Add arguments and options with type hints Use decorators to define CLI commands Create a multi-command CLI (e.g., greet, bye) Customize command names with aliases Explore built-in help documentation This is a clip from our full Real Python course: ▶ Watch the full course: realpython.com/courses/build-command-line-todo-app-typer