csv_data = d3.csvParse(await FileAttachment("india_data.csv").text(),({shapeID, area, number_of_named_languages, main_language, main_language_share, pop_total, pop_male, pop_female, literacy_all, literacy_male, literacy_female}) => [shapeID, [+area, +number_of_named_languages, main_language, +main_language_share, +pop_total, +pop_male, +pop_female, +literacy_all, +literacy_male, +literacy_female, +pop_total/+area]])