In [22]: import os
In [23]: os.path.dirname("/Users/nnelluri/Desktop/nnelluri/python3-proj/add_device.py") Out[23]: '/Users/nnelluri/Desktop/nnelluri/python3-proj'
In [24]: import pathlib
In [25]: path=pathlib.Path("/Users/nnelluri/Desktop/nnelluri/python3-proj/add_device.py")
In [26]: path.parent Out[26]: PosixPath('/Users/nnelluri/Desktop/nnelluri/python3-proj')
In [27]: str(path.parent) Out[27]: '/Users/nnelluri/Desktop/nnelluri/python3-proj'
In [28]: