python sys获取系统常见变量

>>> import sys

>>> print(sys.path)

>>> print(sys.platform)
linux2

>>> print(sys.executable)
/usr/bin/python

>>> print(sys.version)
2.7.16 |Anaconda, Inc.| (default, Mar 14 2019, 21:00:58)
[GCC 7.3.0]