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']
>>>