{ ".doc", "application/msword" },
{".docx",application/vnd.openxmlformatsofficedocument.wordprocessingml.document" },
{ ".xls", "application/vnd.ms-excel" },
{ ".xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" },
{ ".pdf", "application/pdf" },
{ ".ppt", "application/vnd.ms-powerpoint" },
{ ".pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation" },
{ ".txt", "text/plain" }, { ".wps", "application/vnd.ms-works" },
{ "", "*/*" } };
例如:

本文详细介绍了如何使用Python进行高效的数据分析和机器学习模型构建。从数据预处理到特征工程,再到模型训练和评估,涵盖了完整的数据分析流程。特别关注了pandas、NumPy、scikit-learn等库的应用。
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