def UpdateButton(): global idTextVar global nameTextVar global passwordTextVar global lastNameTextVar global directionTextVar global commentText DataBaseManager.UpdateTuple(idTextVar.get(), nameTextVar.get(), passwordTextVar.get(), lastNameTextVar.get(), directionTextVar.get(), commentText.get(1.0, "end")) messagebox.showinfo( title="Tuple Update", message="The tuple with id: {}, has been updated".format( idTextVar.get()))