>import os
>print('Current directory is ',os.getcwd())
Current directory is D:\Python36

Current directory is E:\python\work

> os.listdir (os.getcwd()) 
['DLLs','Doc','include','Lib','libs','LICENSE.txt','NEWS.txt','PyOpenGL-wininst.log','python.exe','
python3.dll','python36.dll','pythoncom36.dll','pythonw.exe','pywin32-wininst.log','pywintypes36.dll',
'RemovePyOpenGL.exe','Removepywin32.exe','Scripts','tcl','Tools','vcruntime140.dll'] 

>import os
> os.mkdir('temp')

> os.rmdir('temp')

> os.path.isdir('E:\\python')
True

> os.path.isfile('E:\\python\\work\\test.py')
True