polars.Expr.last

Expr.last(*, ignore_nulls: bool = False) → Expr

Get the last value.

Parameters:

ignore_nulls

Ignore null values (default False). If set to True, the last non-null value is returned, otherwise None is returned if no non-null value exists.

Examples

>>> df = pl.DataFrame({"a": [1, 3, 2]})
>>> df.select(pl.col("a").last())
shape: (1, 1)
┌─────┐
│ a   │
│ --- │
│ i64 │
╞═════╡
│ 2   │
└─────┘