机器学习与人工智能教程.zip

## hellopython > 学习目的：掌握Python的使用以及文件读取、画图等实际操作 > > 课程学习内容：Python语法、Python画图、文件I/O操作 > > 参考：[Python简介及发展历史(学习小助手)](https://zhuanlan.zhihu.com/p/169624095) > > [matplotlib](https://matplotlib.org/stable/gallery/index.html) ### 课程介绍 <p align="center"> <img src="./images/pythonLogo3.jpg"/> </p> #### 一、Python的起源与发展 Python，读作`['paɪθɑn]`，翻译成汉语是蟒蛇的意思，并且Python的logo也是两条缠绕在一起蟒蛇的样子，然而Python语言和蟒蛇实际上并没有一毛钱关系。Python的口号是："人生苦短，我用Python!"。Python语言是由荷兰程序员**Guido van Rossum**，江湖人称“龟叔”，独立开发完成初版的 。1989年圣诞节期间，在阿姆斯特丹，为了打发圣诞节的无趣，决心开发一个新的脚本解释语言，作为ABC语言的一种继承，然后完成了python语言初始版本的开发（龟叔很硬核）。之所以选中Python作为该编程语言的名字，是因为他是一个叫**Monty Python**喜剧团体的粉丝，其本意并不是想选条蟒蛇。Python第一个公开发行版发行于1991年，所以这年被当作Python的诞生年。Python 源代码遵循 GPL(GNU General Public License)协议，这是一个开源的协议，也就是说你可以免费使用和传播它，而不用担心版权的问题。 <p align="center"> <img src="./images/Pythonfather2.jpeg"/> </p> 1. [Python 3.9.6](https://www.python.org/downloads/release/python-396/) June 28, 2021 [ Download](https://www.python.org/downloads/release/python-396/) [Release Notes](https://docs.python.org/release/3.9.6/whatsnew/changelog.html#changelog) 2. [Python 3.8.11](https://www.python.org/downloads/release/python-3811/) June 28, 2021 [ Download](https://www.python.org/downloads/release/python-3811/) [Release Notes](https://docs.python.org/release/3.8.11/whatsnew/changelog.html#changelog) 3. [Python 3.7.11](https://www.python.org/downloads/release/python-3711/) June 28, 2021 [ Download](https://www.python.org/downloads/release/python-3711/) [Release Notes](https://docs.python.org/release/3.7.11/whatsnew/changelog.html#changelog) 4. [Python 3.6.14](https://www.python.org/downloads/release/python-3614/) June 28, 2021 [ Download](https://www.python.org/downloads/release/python-3614/) [Release Notes](https://docs.python.org/release/3.6.14/whatsnew/changelog.html#changelog) 5. [Python 3.9.5](https://www.python.org/downloads/release/python-395/) May 3, 2021 [ Download](https://www.python.org/downloads/release/python-395/) [Release Notes](https://docs.python.org/release/3.9.5/whatsnew/changelog.html) 6. [Python 3.8.10](https://www.python.org/downloads/release/python-3810/) May 3, 2021 [ Download](https://www.python.org/downloads/release/python-3810/) [Release Notes](https://docs.python.org/release/3.8.10/whatsnew/changelog.html) 7. [Python 3.9.4](https://www.python.org/downloads/release/python-394/) April 4, 2021 [ Download](https://www.python.org/downloads/release/python-394/) [Release Notes](https://docs.python.org/release/3.9.4/whatsnew/changelog.html#changelog) 8. [Python 3.8.9](https://www.python.org/downloads/release/python-389/) April 2, 2021 [ Download](https://www.python.org/downloads/release/python-389/) [Release Notes](https://docs.python.org/release/3.8.9/whatsnew/changelog.html#python-3-8-9) 9. [Python 3.9.2](https://www.python.org/downloads/release/python-392/) Feb. 19, 2021 [ Download](https://www.python.org/downloads/release/python-392/) [Release Notes](https://docs.python.org/release/3.9.2/whatsnew/changelog.html#changelog) 10. [Python 3.8.8](https://www.python.org/downloads/release/python-388/) Feb. 19, 2021 [ Download](https://www.python.org/downloads/release/python-388/) [Release Notes](https://docs.python.org/release/3.8.8/whatsnew/changelog.html#changelog) 11. [Python 3.6.13](https://www.python.org/downloads/release/python-3613/) Feb. 15, 2021 [ Download](https://www.python.org/downloads/release/python-3613/) [Release Notes](https://docs.python.org/release/3.6.13/whatsnew/changelog.html#changelog) 12. [Python 3.7.10](https://www.python.org/downloads/release/python-3710/) Feb. 15, 2021 [ Download](https://www.python.org/downloads/release/python-3710/) [Release Notes](https://docs.python.org/release/3.7.10/whatsnew/changelog.html#changelog) 13. [Python 3.8.7](https://www.python.org/downloads/release/python-387/) Dec. 21, 2020 [ Download](https://www.python.org/downloads/release/python-387/) [Release Notes](https://docs.python.org/release/3.8.7/whatsnew/changelog.html) 14. [Python 3.9.1](https://www.python.org/downloads/release/python-391/) Dec. 7, 2020 [ Download](https://www.python.org/downloads/release/python-391/) [Release Notes](https://docs.python.org/release/3.9.1/whatsnew/changelog.html#changelog) 15. [Python 3.9.0](https://www.python.org/downloads/release/python-390/) Oct. 5, 2020 [ Download](https://www.python.org/downloads/release/python-390/) [Release Notes](https://docs.python.org/release/3.9.0/whatsnew/changelog.html#changelog) 16. [Python 3.8.6](https://www.python.org/downloads/release/python-386/) Sept. 24, 2020 [ Download](https://www.python.org/downloads/release/python-386/) [Release Notes](https://docs.python.org/release/3.8.6/whatsnew/changelog.html#changelog) 17. [Python 3.5.10](https://www.python.org/downloads/release/python-3510/) Sept. 5, 2020 [ Download](https://www.python.org/downloads/release/python-3510/) [Release Notes](https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-10) 18. [Python 3.7.9](https://www.python.org/downloads/release/python-379/) Aug. 17, 2020 [ Download](https://www.python.org/downloads/release/python-379/) [Release Notes](https://docs.python.org/release/3.7.9/whatsnew/changelog.html#changelog) 19. [Python 3.6.12](https://www.python.org/downloads/release/python-3612/) Aug. 17, 2020 [ Download](https://www.python.org/downloads/release/python-3612/) [Release Notes](https://docs.python.org/release/3.6.12/whatsnew/changelog.html#changelog) 20. [Python 3.8.5](https://www.python.org/downloads/release/python-385/) July 20, 2020 [ Download](https://www.python.org/downloads/release/python-385/) [Release Notes](https://docs.python.org/release/3.8.5/whatsnew/changelog.html#changelog) 21. [Python 3.8.4](https://www.python.org/downloads/release/python-384/) July 13, 2020 [ Download](https://www.python.org/downloads/release/python-384/) [Release Notes](https://docs.python.org/release/3.8.4/whatsnew/changelog.html#changelog) 22. [Python 3.7.8](https://www.python.org/downloads/release/python-378/) June 27, 2020 [ Download](https://www.python.org/downloads/release/python-378/) [Release Notes](https://docs.python.org/release/3.7.8/whatsnew/changelog.html#changelog) 23. [Python 3.6.11](https://www.python.org/downloads/release/python-3611/) June 27, 2020 [ Download](https://www.python.org/downloads/release/python-3611/) [Release Notes](https://docs.python.org/release/3.6.11/whatsnew/changelog.html#changelog) 24. [Python 3.8.3](https://www.python.org/downloads/release/python-383/) May 13, 2020 [ Download](https://www.python.org/downloads/release/python-383/) [Release Notes](https://docs.python.org/release/3.8.3/whatsnew/changelog.html#changelog) 25. [Python 2.7.18](https://www.python.org/downloads/release/python-2718/) April 20, 2020 [ Download](https://www.python.org/downloads/release/python-2718/) [Release Notes](https://www.python.org/getit/) 26. [Python 3.7.7](https://www.python.org/downloads/release/python-377/) March 10, 2020 [ Download](https://www.python.org/downloads/release/python-377/) [Release Notes](https://docs.python.org/3.7/whatsnew/changelog.html#python-3-7-7-final) 27. [Python 3.8.2](https://www.python.org/downloads/release/python-382/) Feb. 24, 2020 [ Download](https://www.python.org/downloads/release/python-382/) [Release Notes](https://docs.python.org/release/3.8.2/whatsnew/changelog.h