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  * __
  * [ List ](../list.html)
  * polars.Serie... 

#  polars.Series.list.set_difference  #

Series.list.  set_difference  (  _ other  :  Series  _ )  →  Series  [
[source]  ](https://github.com/pola-rs/polars/blob/py-0.20.23/py-
polars/polars/series/list.py#L985-L1011) #

    

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  `
](polars.Series.list.diff.html#polars.Series.list.diff
"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]
    ]
    

[ __ previous  polars.Series.list.sample  ](polars.Series.list.sample.html
"previous page") [ next  polars.Series.list.set_intersection  __
](polars.Series.list.set_intersection.html "next page")

__ On this page

  * ` Series.list.set_difference()  `

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