I built this project to practice working with real SEC financial-statement data in a database format. The goal was to take public SEC EDGAR/XBRL company facts and organize them into a local SQLite ...

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Hello! Welcome to the 28th session of the Python Master Course. In the previous Lesson 27, we mastered decorators. This time, it's context managers. In Lesson 16, we learned the 'with open(...) as f:' ...

这篇文章把 Streamlit 最常用的三块内容串了一遍：多页面怎么组织、数据库怎么连、文件怎么处理。 streamlit 这几年在数据科学圈子里火得很快。不用学前端，不用折腾路由，纯 Python 就能把数据分析脚本变成像模像样的 Web 应用。但真要拿它做点正事 —— 比如搭 ...