{"text_format":"3","workbook":"xlsx","n_sheets":3,"sheets":["Лист1","Лист2","Лист3"],"read":"whole","date_system":"1900"}

{"sheet":"Лист1","index":0,"n_rows":10,"n_cols":4,"rows_kept":10}
["№","Фамлия","Класс","Балл"]
[1,3,9,11]
[1,"Ильясов",5,10.4]
[2,"Мавлявиева",5,13.4]
[3,"Хаертдинов",5,13.4]
[4,"Асанов",6,10]
[5,"Галина",9,28.2]
[6,"Гаттарова",11,29.8]
[7,"Миннуллин",11,32.9]
[8,"Шайдуллин",7,16.4]

{"sheet":"Лист2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0}

{"sheet":"Лист3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0}