import csv adult_sum = 0 senior_sum = 0 child_sum = 0 with open('products.csv', 'r', encoding='utf-8') as f: reader = csv.DictReader(f) for row in reader: adult_sum += float(row['Взрослый']) senior_sum += float(row['Пенсионер']) child_sum += float(row['Ребенок']) print(f"{adult_sum:.2f} {senior_sum:.2f} {child_sum:.2f}")