common command line equivalent in python
>>> import os
>>> os.getcwd() # get current working directory
'C:\\lang\\python23'
>>> os.chdir('C:/') # change directory
>>> os.chdir('lang') # again
>>> os.listdir('.') # list
['dotnet', 'try', 'editplus', 'python23', 'leo', 'mingw', 'perl', 'gtk', 'ironpy', 'java142']
>>>
>>> os.getcwd() # get current working directory
'C:\\lang\\python23'
>>> os.chdir('C:/') # change directory
>>> os.chdir('lang') # again
>>> os.listdir('.') # list
['dotnet', 'try', 'editplus', 'python23', 'leo', 'mingw', 'perl', 'gtk', 'ironpy', 'java142']
>>>
