Pubmed爬虫

应该是当时胖胖弄得，爬的pubmed的文章

关于本仓库

我整理了一下乱糟糟的公用工作站，准备重装上面要停止维护的Ubuntu16.04，顺便清理归档各路祖传屎山和文件。陆续放出各路祖传代码和历史文物，这是其中之一。

添加了requirements.txt

添加README.md

将爬取结果txt文件放到release中

整理于2021.1.21

Python版本升至3.9，更新requirements.txt

测试于2021.1.22，看起来没问题

Name		Name	Last commit message	Last commit date
Latest commit History 11 Commits
.gitignore		.gitignore
Appendices.url		Appendices.url
LICENSE		LICENSE
README.md		README.md
crawler1.py		crawler1.py
crawler2.py		crawler2.py
crawler3.py		crawler3.py
crawler4.py		crawler4.py
crawler5.py		crawler5.py
requirements-old.txt		requirements-old.txt
requirements.txt		requirements.txt