Read-Write CSV

with open('TestReport.csv', 'w') as f:
    dict_writer = csv.DictWriter(f, data[0].keys())
    dict_writer.writeheader()
    dict_writer.writerows(data)

with open('%s'%file_name, 'r') as f:
        reader = csv.DictReader(f)
        for row in reader:
            raw_data = {
                'shops_root_url': row['Shops_root_url'],
                'via_page_url_regex': row['Via_page_url_regex'],
                'single_shop_url_regex': row['Single_shop_url_regex']
            }
            data.append(raw_data)