Python Power-Up: Mastering Modules & Packages for Cleaner Code Python Power-Up: Mastering Modules & Packages for Cleaner Code Organize, reuse, and scale your Python projects like a pro. Welcome to Day 43, 3 PM! For any aspiring (or experienced) Python developer, understanding modules and packages is fundamental to writing clean, maintainable, and scalable code. Let's unlock these essential concepts! What is a Python Module? At its simplest, a Python module is a file containing Python definitions and statements. Think of it as a blueprint for functions, classes, and variables that you can reuse across different scripts. Any .py file can be considered a module. Example: If you have a file named my_math.py with a function add(a, b) , then my_math is a module. You can use it in another script by writing import my_math , and then calling my...