Python 3 环境配置

> set path=C:\Users\yezhou\AppData\Local\Programs\Python\Python38;C:\Users\yezhou\AppData\Local\Programs\Python\Python38\Scripts;%path%

> python -V
Python 3.8.1

> pip -V
pip 19.2.3 from c:\users\yezhou\appdata\local\programs\python\python38\lib\site-packages\pip (python 3.8)

> easy_install -U pip  #升级pip

> pip install -i https://pypi.douban.com/simple/ pycryptodome  #指定源

• 阿里云 http://mirrors.aliyun.com/pypi/simple/
• 中国科技大学 https://pypi.mirrors.ustc.edu.cn/simple/
• 豆瓣(douban) http://pypi.douban.com/simple/
• 清华大学 https://pypi.tuna.tsinghua.edu.cn/simple/