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

{"sheet":"DragAndDrop","index":0,"n_rows":5,"n_cols":5,"rows_kept":5}
["pregunta","opcion_c","opcion","retroalimentacion_correcta","retroalimentacion_incorrecta"]
["Enfermedad","Diálisis peritoneal",null,"¡Correcto!","¡Incorrecto!"]
["Enfermedad","Membrana peritoneal",null,"¡Correcto!","¡Incorrecto!"]
["Enfermedad","Hemodiálisis",null,"¡Correcto!","¡Incorrecto!"]
["Enfermedad","Membrana sintética",null,"¡Correcto!","¡Incorrecto!"]