<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def commit_close_editor(self, index, endedithint=QtGui.QAbstractItemDelegate.NoHint):
 """Commit and close the editor Call this method whenever the user finished editing. :param index: The index of the editor :type index: :class:`QtCore.QModelIndex` :param endedithint: Hints that the delegate can give the model and view to make editing data comfortable for the user :type endedithint: :data:`QtGui.QAbstractItemDelegate.EndEditHint` :returns: None :rtype: None :raises: None """

        editor = self._edit_widgets[index]
        self.commitData.emit(editor)
        self.closeEditor.emit(editor, endedithint)
        del self._edit_widgets[index]