Print a vertical pretty table from data.

def print_virt_table(self, data):
        """Print a vertical pretty table from data."""

        table = prettytable.PrettyTable()
        keys = sorted(data.keys())
        table.add_column('Keys', keys)
        table.add_column('Values', [data.get(i) for i in keys])
        for tbl in table.align.keys():
            table.align[tbl] = 'l'

        self.printer(table)