一个基于 Python 的 PDF 合并工具，支持合并多个 PDF 文件，自动合并当前目录下的所有 PDF 文件。 watermark 一个基于 Python 的 PDF 水印添加工具，支持中文文字水印、自定义样式和位置。采用面向对象设计，提供灵活的 API 接口。 本项目采用 GPL-3.0 许可证，详见 LICENSE ...

So, you’re looking to learn Python, huh? It’s a pretty popular language, and for good reason. It’s used for all sorts of things, from making websites to crunching numbers. Finding the right book can ...

Reading an Excel file requires one library. CSV needs another. PDF tables need a third. Each has its own API, its own patterns, its own quirks.