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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 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))