{"text_format":"3","workbook":"xlsx","n_sheets":1,"sheets":["Sheet1"],"read":"whole","date_system":"1900"}

{"sheet":"Sheet1","index":0,"n_rows":3,"n_cols":4,"rows_kept":3}
["Fahrzeug","Kennzeichen","Kilometerstand","Fällige Inspektion"]
["BMW","DD-1234",50000,"01.02.2025"]
["Audi","LE-5678",60000,"15.02.2025"]