polars.Series.list.set_difference#

Series.list.set_difference(other: Series) → Series[source]#

Compute the SET DIFFERENCE between the elements in this list and the elements of other.

Parameters:

other: Right hand side of the set operation.

See also

polars.Series.list.diff: Calculates the n-th discrete difference of every sublist.

Examples

>>> a = pl.Series([[1, 2, 3], [], [None, 3], [5, 6, 7]])
>>> b = pl.Series([[2, 3, 4], [3], [3, 4, None], [6, 8]])
>>> a.list.set_difference(b)
shape: (4,)
Series: '' [list[i64]]
[
        [1]
        []
        []
        [5, 7]
]