查看python安装路径

   
命令行
 import sys
 sys.path

得到：

import sys
sys.path
['C:\\Program Files\\JetBrains\\PyCharm Community Edition 2019.3\\plugins\\python-ce\\helpers\\pydev', 
 'C:\\Program Files\\JetBrains\\PyCharm Community Edition 2019.3\\plugins\\python-ce\\helpers\\third_party\\thriftpy', 
 'C:\\Program Files\\JetBrains\\PyCharm Community Edition 2019.3\\plugins\\python-ce\\helpers\\pydev', 
 'C:\\Users\\78658\\Envs\\Flask_demo1\\lib', 
 'C:\\Users\\78658\\Envs\\Flask_demo1\\Scripts', 
 'c:\\anaconda\\Lib',
 'c:\\anaconda\\DLLs', 
 'C:\\Users\\78658\\Envs\\Flask_demo1', 
 'C:\\Users\\78658\\Envs\\Flask_demo1\\lib\\site-packages', 
 'D:\\test', 'D:/test']