code: def trimquants(self, col: str, inf: float, sup: float):
          
          try:
              self.df = self._trimquants(col, inf, sup)
          except Exception as e:
              self.err(e, self.trimquants, "Can not trim quantiles")
docs: Remove superior and inferior quantiles from the dataframe
  
          :param col: column name
          :type col: str
          :param inf: inferior quantile
          :type inf: float
          :param sup: superior quantile
          :type sup: float
  
          :example: ``ds.trimquants("Col 1", 0.01, 0.99)``