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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def data(self, column, role):
 """Return the data for the column and role :param column: the data column :type column: int :param role: the data role :type role: QtCore.Qt.ItemDataRole :returns: data depending on the role :rtype: :raises: None """

        if self._data is not None and (column >= 0 or column < self._data.column_count()):
            return self._data.data(column, role)