How would you append to the method of an inherited object? Say, for example:

```
class ABeautifulClass(GoodClass):
    def __init__(self, **kw):
        # some code that will override inherited code
    def aNewMethod(self):
        # do something

```

Now I have inherited code from `GoodClass`, how would I append code to an inherited method. If I inherited code from `GoodClass`, how would I append to it, instead of basically removing it and rewriting it. Is this possible in Python?