code: def scroll_screen_rows (self, rs, re): # <ESC>[{start};{end}r
          '''Enable scrolling from row {start} to row {end}.'''
  
          self.scroll_row_start = rs
          self.scroll_row_end = re
          self.scroll_constrain(f scroll_screen_rows (self, rs, re): # <ESC>[{start};{end}r
          '''Enable scrolling from row {start} to row {end}.'''
  
          self.scroll_row_start = rs
          self.scroll_row_end = re
          self.scroll_constrain()
docs: Enable scrolling from row {start} to row {end}.