yt-dlp is a powerful tool for downloading videos and audio from various online sources and is a popular choice among users who require a flexible and customizable download experience.
使用 Flask 的工厂函数构建网站应用
重要提示：本示例中的代码并不能运行，仅仅是作为概念性的探讨。
MacOS 显示隐藏文件
Flask 网站开发最佳实践
良好的代码组织和规范，以及使用 Flask 扩展和工具箱，可以使开发更加高效、易于维护和可扩展。以下是 使用Flask 开发时的一些最佳实践：
Here are some steps you can follow to study Flask
Flask is a lightweight web application framework written in Python. It allows developers to easily build web applications with minimal overhead and provides tools and libraries for handling common web development tasks, such as routing requests, rendering templates, and processing data.
数学思维：求阴影部分面积
都这年龄了突然对这来了兴趣。看图学画形，咋解？