code: def visibleRows(self):  # onscreen rows
          'List of rows onscreen. '
          return self.rows[self.topRowIndex:self.topRowIndex+self.nVisibleRowsf visibleRows(self):  # onscreen rows
          'List of rows onscreen. '
          return self.rows[self.topRowIndex:self.topRowIndex+self.nVisibleRows]
docs: List of rows onscreen.