def read_country_info(self): csv_reader = CsvReader() fields, lines = csv_reader.read_csv(csv_file="kerstpuzzel_landen.csv", header_present=True) countries = csv_reader.transform_csv_structure_into_json_structure(fields, lines) self.population = {} self.area = {} for country in countries: self.population[country["Land"]] = int(country["Inwoners"]) self.area[country["Land"]] = int(country["Oppervlak"])