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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 clean_up(self):
#, grid):
 """ de-select grid cols, refresh grid """

        if self.selected_col:
            col_label_value = self.grid.GetColLabelValue(self.selected_col)
            col_label_value = col_label_value.strip('\nEDIT ALL')
            self.grid.SetColLabelValue(self.selected_col, col_label_value)
            for row in range(self.grid.GetNumberRows()):
                self.grid.SetCellBackgroundColour(row, self.selected_col, 'white')
        self.grid.ForceRefresh()