code: def dropr(self, *rows):
          
          try:
              self.df = rows = list(rows)
              self.df.drop(rows)
          except Exception as e:
              self.err(e, self.dropr, "Can not drop rows")
docs: Drops some rows from the main dataframe
  
          :param rows: rows names
          :type rows: list of ints
  
          :example: ``ds.drop_rows([0, 2])``