import csv

def get_data(filename):
    '''function to read the data form the input csv file to use in the analysis'''
    reader = [] # Just in case the file open fails
    with open(filename, 'rb') as f:
        reader = csv.reader(f,delimiter=',')                      
        #returns all the data from the csv file in list form
        #f.close() # May need to close the file when done
        return list(reader)  # only return the reader when you have finished.

your_list = []
your_list += get_data('modules-anselm.csv')
your_list += get_data('modules-salomon.csv')
#your_list += get_data('modules-salomon-uv.csv')
print your_list