Config file parser

I'm learning to use Python. In Transformer, i need to parse the xml config file using the available expat xml parser. I was struggling first to use python. I thought, it would be better to use C. But later, i finished the parser and came to a conclusion, Python is a cool language. Still am learning a lot :).
Now am learning how to write a module for python in C to call a subroutine, in a plugin written in . Hope i finish that today.