polars.Series.extend_constant#
- Series.extend_constant(value: IntoExpr, n: int | IntoExprColumn) Series [source]#
Extremely fast method for extending the Series with ‘n’ copies of a value.
- Parameters:
- value
A constant literal value or a unit expression with which to extend the expression result Series; can pass None to extend with nulls.
- n
The number of additional values that will be added.
Examples
>>> s = pl.Series([1, 2, 3]) >>> s.extend_constant(99, n=2) shape: (5,) Series: '' [i64] [ 1 2 3 99 99 ]