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#Moving up/down dir structure
print os.listdir('.') # current level
print os.listdir('..') # one level up
print os.listdir('../..') # two levels up



# more complex example:
# This will walk the file system beginning in the directory the script is run from. It 
# deletes the empty directories at each level

for root, dirs, files in os.walk(os.getcwd()):
    for name in dirs:
        try:
            os.rmdir(os.path.join(root, name))
        except WindowsError:
            print 'Skipping', os.path.join(root, name)