Loading CSVs as tuples

load_tuples.py

def load_file(filename):
    fp = open(filename, 'Ur')
    data_list = []
    for line in fp:
        data_list.append(tuple(line.strip().split(',')))
    fp.close()
    return data_list

def save_file(filename, data_list):
    fp = open(filename, 'w')
    for line in data_list:
        fp.write(','.join(line) + '\n')
    fp.close()

if __name__ == "__main__":
    print "Loading data from file..."
    data_list = load_file("sample.csv")
    print "Data loaded and parsed, it is", data_list
    save_file("updated_sample.csv", data_list)
    print "Data saved."

sample.csv