Sorts the main dataframe according to the given column

        :param col: column name
        :type col: str

        :example: ``ds.sort("Col 1")``

def sort(self, col: str):
        """
        Sorts the main dataframe according to the given column

        :param col: column name
        :type col: str

        :example: ``ds.sort("Col 1")``
        """
        try:
            self.df = self.df.copy().sort_values(col)
        except Exception as e:
            self.err(e, "Can not sort the dataframe from column " +
                     str(col))