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on Mar 16 2020

  1. Python读年报1-下载上市公司年报https://zhuanlan.zhihu.com/p/112231778 下载上市公司年报
  2. Python读年报2-将上市公司信息写入Excel https://zhuanlan.zhihu.com/p/111249510 将上市公司信息写入Excel

8 Jan 2017

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##Learning Python.

I learned C programming when I was a sophomore or a senior student when I was studying in Qingdao University. After I graduated from Pekin University in about 2015, deep learning became quite popular in China. I started to konw that Python was very useful, and not too difficult to start. I began to search how to realize a web spider. And the following is what I wrote at that time, posting in zhihu.com.
我大学曾学习过C语言课程,但是当时并不觉得写代码很有趣,研究生快毕业才了解数据工程师和物理其实很像,而且人工智能越来越火,仿佛不知道神经网络就有愧于学习理工科。我那段时间才开始准备自学Python,我学习的起点定在了爬虫。这是我去年这个时候发表在知乎上的学习记录。如何入门 Python 爬虫?
在两周前,我突然忘记为什么,又开始了学习python,最开始是购买了一本利用Python进行数据分析,通过安卓的app“Python Excercise”,练习使用命令行运行python文件,后来自然而然登陆了codecedemy,完成了其中python语言的入门学习,自己重复这些代码大约用了两周,这两周里学习编程占绝了我绝大部分时间,除了和何玉婷去张家口,以及济南高新区管委会面试之外,我几乎除了吃饭,睡觉,就是学习Python。后来发现了Dataquest怎么用最短时间高效而踏实地学习 Python?感谢飞绝眷岭的推荐。
对于现在的我来说,Python对我已经意味着不同的东西了。我改变了一些习惯,敲击键盘速度更快了,对于代码理解更深了。以前会认为学习计算机好就业,赚钱多,或者码农辛苦,不太擅长言谈,看到爬虫教程会看几眼而走掉。或者不了解编程学习方法,不知道自学需要多久,是不是适合自学,以及如何通过自己的思考,反复练习,掌握一门语言。Python对我学习能力有提高。
不过同时也了解编程是一个非常系统的学科,不仅仅需要天赋(高中获得OI金牌或者大学练习ACM),而也需要一定的熟练和努力。不再是很枯燥的黑底绿字,也可以很漂亮。
之后我希望可以继续沿着Data Scientist之路向前走,我之前很喜欢infographic,觉得很漂亮,我认为这个和python应该也有关系,通过对于data的理解加深,我应该可以做出更好的infographic。
我以前总是拿不定学习哪种语言,C++、C#、PHP、Python、Ruby、Java、Swift,甚至H5。现在我知道每一种语言最开始阶段写出hello world都是可能的,但是后面刻意练习需要很多精力,不可能同时完成这些。我以后不会鲁莽地开始新语言的学习了,我再也不会看21天精通XX语言这样的链接了。
最近有时间学习Python一方面是很好的机会,另一方面也是深深地空虚,失去了工作,重新寻找自己的职业生涯,这些让我非常痛苦无力,我现在已经两个月没有取得收入了,感觉有一道悬崖在前方,非常可怕,我想快点逃出去。之后进入工作,我的状态和时间都会受到影响,不知道是否可以保持学习的热情,如果很遗憾不再坚持,也感谢这段时间Python的陪伴。
2017-01-08

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