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

{"sheet":"Sample","index":0,"n_rows":11,"n_cols":3,"rows_kept":11}
["Student","Math","English"]
["Jack",10,85]
["Henry",78,81]
["Charlie",65,72]
["William",45,90]
["Grace",88,90]
["Lily",81,76]
["Oliver",57,63]
["Chloe",74,69]
["Samuel",34,55]
["Ella",29,40]