1. A diferença entre fit, transform, fit_transform: https://blog.csdn.net/weixin_38278334/article/details/82971752
2. O uso e a diferença de mapa, aplicar e aplicar mapa: https://zhuanlan.zhihu.com/p/100064394?utm_source=wechat_session
3. Uso de groupby e agg: https://zhuanlan.zhihu.com/p/101284491
4. O uso e a diferença entre iloc e loc: https://blog.csdn.net/qq_27782503/article/details/89066572
5. O uso e a diferença de rendimento e rendimento de: https://blog.csdn.net/weixin_40539952/article/details/103880618s
6. A diferença entre cópia profunda e cópia oculta: https://blog.csdn.net/weixin_40539952/article/details/104114536
7. A diferença entre parâmetros posicionais e parâmetros de palavra-chave: https://blog.csdn.net/weixin_40539952/article/details/103829631
8. Introdução aos métodos mágicos comuns do Python: https://blog.csdn.net/weixin_40539952/article/details/107382510
9. O uso de pilha, hstack, vstack: https://blog.csdn.net/ding_programmer/article/details/102491399
10. O uso e a diferença dos métodos iterrows () e iteritems (): https://www.cnblogs.com/keye/p/9673393.html