¶ Welcome to Flask’s documentation. Flask is a lightweight WSGI web application framework. It is designed to make getting started quick and easy, with the ability to scale up to complex applications. …

Feb 18, 2026 · Flask Flask is a lightweight WSGI web application framework. It is designed to make getting started quick and easy, with the ability to scale up to complex applications. It began as a …

Installation ¶ Python Version ¶ We recommend using the latest version of Python. Flask supports Python 3.9 and newer. Dependencies ¶ These distributions will be installed automatically when installing …

Jun 30, 2026 · Flask is a lightweight web framework used to build web applications and APIs. It follows a minimal design and provides core features like routing, request handling and template rendering …

Flask is a micro web framework written in Python. It is classified as a microframework because it does not require particular tools or libraries. [2] It has no database abstraction layer, form validation, or any …

Flask is a lightweight WSGI web application framework. It is designed to make getting started quick and easy, with the ability to scale up to complex applications. It began as a simple wrapper around …

¶ Welcome to Flask’s documentation. Get started with Installation and then get an overview with the Quickstart. There is also a more detailed Tutorial that shows how to create a small but complete …

Flask is a web application framework written in Python. Armin Ronacher, who leads an international group of Python enthusiasts named Pocco, develops it. Flask is based on Werkzeug WSGI toolkit …

Flask 教程 Flask 是一个用 Python 编写的轻量级 Web 应用框架。 Flask 基于 WSGI（Web Server Gateway Interface）和 Jinja2 模板引擎，旨在帮助开发者快速、简便地创建 Web 应用。 Flask 让我 …

Jan 7, 2026 · Explanation: Flask (__name__) creates the Flask application @app.route ('/') connects the home URL (/) to a function The function returns text shown in the browser app.run () starts the local …