def insert_empty_columns(self, x: int, amount: int = 1) -> None:
        """Insert a number of columns after the given column."""

        def transform_columns(column: float, row: float) -> tuple[float, float]:
            return column + (amount if column >= x else 0), row

        self._transform_coordinates(transform_columns)
Insert a number of columns after the given column.
cirq-core/cirq/circuits/text_diagram_drawer.py