class CFck outBuffer def printBuffer argBuffer self outBuffer print ar

>>> class CFck:
...     outBuffer = []
...     def printBuffer(argBuffer = self.outBuffer):
...             print argBuffer
...
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<stdin>", line 3, in CFck
NameError: name 'self' is not defined