Module / Package / Library / SDK

Module : A single file containing code. In Python, it&rsquo;s a .py file. In JavaScript, it&rsquo;s typically a .js file. The smallest unit of code organization you can import. Package : A collection of modules organized in a directory structure. Usually has an init .py (Python) or package.json (JavaScript) file that marks it as a package. Think of it as a folder that groups related code together.…