There are 3 python files contained in the pythonfiles directory:
cleanup.py, count_tags.py, writetodb.py

cleanup.py file takes a top level xml element converts it to a dictionary, checks the dictionary for validity and consistency, and then writes to csv file.
count_tags.py file counts the different elements in the dataset and provides a statistic for each kind of element.
writetodb.py write csv files to database tables
corrections.py file to clean data some inconistencies found in the data