Build a Python Command-Line Tool: Website Connectivity Checker

Command-line utilities are the backbone of developer workflows, but building them can feel daunting if you do not know where to start. This course guides you step-by-step through creating your own functional CLI tool to check website availability.\n\nBy working through this practical project, you will transition from writing simple scripts to structuring a modular, professional Python application. You will learn how to handle user input from the terminal, process network requests safely, and structure your code for easy maintenance.\n\nWhat you'll learn:\n- Understand the core principles of command-line interfaces and argument parsing\n- Set up a modern Python development environment using virtual environments\n- Apply type hints to ensure your code is robust and self-documenting\n- Implement network requests to check website connectivity and handle errors gracefully\n- Structure your Python code into clean, reusable modules and entry points\n- Create a user-friendly CLI experience with clear terminal outputs and status messages\n\nYou will begin by learning foundational CLI concepts and setting up your environment. From there, you will write the core connectivity logic, integrate argument parsing, and refine the interface into a polished command-line application.\n\nThis course is designed for beginner Python developers who want to build real-world tools. No prior experience with CLI development or network programming is required.\n\nStart reading today to build your first professional command-line utility.