{"text_format":"3","workbook":"xlsx","n_sheets":1,"sheets":["Feuille1"],"read":"whole","date_system":"1900"}

{"sheet":"Feuille1","index":0,"n_rows":4,"n_cols":3,"rows_kept":4}
["first_name","last_name","gpa"]
["John","Adams",90]
["George","Washington",67]
["Thomas","Jefferson",50]