Python is a versatile programming language that offers a wide range of built-in modules to simplify complex tasks. In this article, we explore 30 essential Python modules that every developer should know. These modules cover a variety of areas, including data processing, web development, networking, and more. By leveraging these modules, developers can save time and effort while building robust and scalable applications. A module is a Python object that can be used to create variables, classes, functions, and executable code. It provides a set of pre-defined methods and functions that can be easily imported and used in your code.