{"text_format":"3","workbook":"xlsx","n_sheets":1,"sheets":["Blatt1"],"not_rendered":{"images":1},"read":"whole","date_system":"1900"}

{"sheet":"Blatt1","index":0,"n_rows":3,"n_cols":3,"rows_kept":3}
[null,null,"Name"]
[1,null,"Julia"]
[2,null,"Ferdinand"]