Or, as the polars docs recommend:

df = pl.DataFrame(
    {"abc": [-2.5, 5.0], "mno": ["hello", "world"], "xyz": [True, False]}
)
with pl.Config(
    tbl_formatting="ASCII_MARKDOWN",
    tbl_hide_column_data_types=True,
    tbl_hide_dataframe_shape=True,
):