.Net framework is a software framework developed by Microsoft that runs primarily on Microsoft windows. It includes a large class library named as Framework Class Library(FCL) and provides language interoperability across several programming languages.
Python is programming language. Python can be used on a server to create web applications.
Angular is a Java-Script based open source front-end web framework. It aims to simplify development and testing of such applications by providing a framework for client-side model-view-controller and model-view-viewmodel architectures, along with components commonly used in rich internet applications.