def exact_(self, column, *values):
        """
        Returns a Dataswim instance with rows that has the exact string
        value in a column
        """
        df = self._exact(column, *values)
        if df is None:
            self.err("Can not select exact data")
        return self._duplicate_(df)
def exact_ ( self , column , * values ) : df = self . _exact ( column , * values ) if df is None : self . err ( "Can not select exact data" ) return self . _duplicate_ ( df )
Returns a Dataswim instance with rows that has the exact string
        value in a column