查看Python安装路径

Python默认安装后，经常忘记如何查看安装路径，但又时常用的到，因此记录下命令行模式输入：

>>> import sys
>>> sys.path
['', 'D:\Users\lyangh\AppData\Local\Programs\Python\Python37\python37.zip', 'D:\Users\lyangh\AppData\Local\Programs\Python\Python37\DLLs', 'D:\Users\lyangh\AppData\Local\Programs\Python\Python37\lib', 'D:
\Users\lyangh\AppData\Local\Programs\Python\Python37', 'D:\Users\lyangh\AppData\Roaming\Python\Python37\site-packages', 'D:\Users\lyangh\AppData\Local\Programs\Python\Python37\lib\site-packages']
>>>