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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 add_row(self, label='', item=''):
 """ Add a row to the grid """

        self.AppendRows(1)
        last_row = self.GetNumberRows() - 1
        self.SetCellValue(last_row, 0, str(label))
        self.row_labels.append(label)
        self.row_items.append(item)