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The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.--Stephen William Hawking

pandas学习笔记(一)--learn from dataquest.io

importpandasaspdfood_info=pd.read_csv('food_info.csv'使用panda.read_csv(读取文件后,food_info变为DataFrame类的对象food_info.columns会列举所有列索引food_info.index会列举所有行索引food_info.values可以将DataFrame转换为numpy的a...
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