從零基礎到進階：Python · C++ · C · Java 四語言、95 章互動教學，搭配 300 題 APCS 分級題庫與 1477 題程式判讀練習，再加上 AI 拍照解題與統一錯題本——全部在瀏覽器內完成，零安裝、零後端 ...
About Mini e-commerce sales analysis project using Python and Pandas. Covers four concepts: Data Cleaning (removing duplicates, fixing missing and negative values), GroupBy (grouping sales by product, ...
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