PythonError解决方案

# pip error

pip install *
error: Microsoft Visual C++ 14.0 is required. Get it with “Microsoft Visual C++ Build Tools”: http://landinghub.visualstudio.com/visual-cpp-build-tools

方法1
1.访问Unofficial Windows Binaries for Python Extension Packages
2.手动下载whl文件（cp+Python版本）
3.pip install whl目录\*-*.*.*-cp*-cp*m-win*.whl

方法2
1.下载C++ 14.0
2.解压安装
3.pip install *