A Python developer’s guide to React

React is a popular JavaScript library created by Facebook for designing user interfaces, known for its ability to apply reactive and declarative programming to frontend development. Despite its popularity, Python developers might find learning React challenging due to its different syntax and data structures. This article provides a roadmap for Python developers to learn React, highlighting prerequisites such as HTML, CSS, JavaScript, and Python knowledge. It discusses key React concepts like components, JSX, states, and hooks, and emphasizes the differences and similarities between React components and Python's object-oriented programming approach. Additionally, it explains how to integrate React with Python by building a contact manager application using Flask for the backend and React for the frontend, covering the setup, architecture, and styling of React components. The article concludes with insights into managing application states with Redux, using Webpack for module bundling, and the benefits of server rendering in React applications.