How do I get the full path of the current file's directory?

Question

I want to get the current file\'s directory path. I tried:

>>> os.path.abspath(__file__)
\'C:\\\\python27\\\\test.py\'

But how can

Answer 1

System: MacOS

Version: Python 3.6 w/ Anaconda

import os

rootpath = os.getcwd()

os.chdir(rootpath)