第二十六条 增值税法第二十四条第一款第一项所称农业生产者，是指从事农业生产的单位和个人；农产品，是指初级农产品。
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Shares in Uber, Mastercard and American Express fall on back of apocalypse scenario posted on Substack
测试场景：给出一个 200 行的混乱 Python 爬虫脚本，要求重构为面向对象结构，并输出 Mermaid 类图。
Russell Brandom has been covering the tech industry since 2012, with a focus on platform policy and emerging technologies. He previously worked at The Verge and Rest of World, and has written for Wired, The Awl and MIT’s Technology Review.