{"text_format":"3","workbook":"xlsx","n_sheets":1,"sheets":["Sheet 1"],"read":"whole","date_system":"1900"}

{"sheet":"Sheet 1","index":0,"n_rows":5,"n_cols":4,"rows_kept":5}
["Фамилия","Класс участия","Балл","Максимальный балл"]
["Давлетов",7,300,500]
["Шакиров",8,20,500]
["Хусаинов",8,20,500]
["Махиянов",10,35,500]