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

{"sheet":"Sheet 1","index":0,"n_rows":3,"n_cols":4,"rows_kept":3}
["Фамилия","Класс участия","Балл","Статус"]
["Нурияхметова",8,4,"Участник"]
["Сабиров",9,8,"Участник"]