../api/polars.exceptions.SchemaError.html)
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  * [ Testing ](../../testing.html) __
    * [ polars.testing.assert_frame_equal ](../../api/polars.testing.assert_frame_equal.html)
    * [ polars.testing.assert_frame_not_equal ](../../api/polars.testing.assert_frame_not_equal.html)
    * [ polars.testing.assert_series_equal ](../../api/polars.testing.assert_series_equal.html)
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    * [ polars.testing.parametric.dataframes ](../../api/polars.testing.parametric.dataframes.html)
    * [ polars.testing.parametric.series ](../../api/polars.testing.parametric.series.html)
    * [ polars.testing.parametric.column ](../../api/polars.testing.parametric.column.html)
    * [ polars.testing.parametric.columns ](../../api/polars.testing.parametric.columns.html)
    * [ polars.testing.parametric.create_list_strategy ](../../api/polars.testing.parametric.create_list_strategy.html)
    * [ polars.testing.parametric.load_profile ](../../api/polars.testing.parametric.load_profile.html)
    * [ polars.testing.parametric.set_profile ](../../api/polars.testing.parametric.set_profile.html)

  * [ Metadata ](../../metadata.html) __
    * [ polars.build_info ](../../api/polars.build_info.html)
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    * [ polars.thread_pool_size ](../../api/polars.thread_pool_size.html)
    * [ polars.threadpool_size ](../../api/polars.threadpool_size.html)

  * [ __ ](../../../index.html)
  * [ Python API reference ](../../index.html)
  * __
  * [ List ](../list.html)
  * polars.Serie... 

#  polars.Series.list.contains  #

Series.list.  contains  (

     _ item  :  [ float  ](https://docs.python.org/3/library/functions.html#float "\(in Python v3.12\)") |  [ str  ](https://docs.python.org/3/library/stdtypes.html#str "\(in Python v3.12\)") |  [ bool  ](https://docs.python.org/3/library/functions.html#bool "\(in Python v3.12\)") |  [ int  ](https://docs.python.org/3/library/functions.html#int "\(in Python v3.12\)") |  date  |  datetime  |  time  |  IntoExprColumn  _ , 
)  →  Series  [ [source]  ](https://github.com/pola-
rs/polars/blob/py-0.20.23/py-polars/polars/series/list.py#L563-L590) #

    

Check if sublists contain the given item.

Parameters  :

    

**item**

    

Item that will be checked for membership

Returns  :

    

Series

    

Series of data type ` Boolean  ` .

Examples

    
    
    >>> s = pl.Series("a", [[3, 2, 1], [], [1, 2]])
    >>> s.list.contains(1)
    shape: (3,)
    Series: 'a' [bool]
    [
        true
        false
        true
    ]
    

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__ On this page

  * ` Series.list.contains()  `

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