Visitor pattern and separating iteration

[Karsten Wutzke]

>         # "public final"
>         modifierString = ""
>
>         i = 0
>
>         for modifier in method.getModifiers():
>             if i > 0:
>                 modifierString += " "
>             modifierString += modifier
>
>             i += 1
>

And please don't comment on the code itself, as I'm just starting to
learn the Python API. The above should be

modifierString = " ".join(method.getModifiers())

Thanks
Karsten